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How does an Oracle database start? - Database Tutorial 38
 
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Video 38 How does an Oracle database start? - Database Tutorial 38 How does an Oracle database start? - Database Tutorial 38 The startup of sequence of an Oracle Database. 1) Startup process looks for a parameter file in the default location. 2) If a parameter file is found, it then parses it and gets the information about the control files. 3) With that information, it reads the control files. 4) Upto this point, we can say that the Oracle Instance has been started in nomount mode. 5) The same can be achieved by issuing the following command in sqlplus. a) startup nomount; 6) Then, from the control files, the Instance gets to know about the details of the database and its related files. 7) It then 'mounts' the database. 8) At this point, the database has been started. But it can be only accessed by the DBAs. 9) This is called 'mount' mode. 10) The same can be achieved by issuing the following command in sqlplus. a) startup mount; 11) Then, once the database has mounted, it gets opened for other users. 12) This is called 'OPEN' mode. 13) This is the final mode of a startup process after which the database is available for use. 14) The same can be achieved by issuing the following command in sqlplus. a) startup 15) That concludes the startup.
Views: 11842 Sam Dhanasekaran
Oracle Database 11g XE (Express Edition) Install guide and connect with SQL Developer
 
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Welcome to MyOnlineEdu.com's video tutorial. In this video you will learn how to install Oracle Database 11g XE (Express Edition) and then connect the database using Oracle SQL Developer IDE tool. You can avail an instructor based live class from MyOnlineEdu.com. To enroll click the lick: https://www.myonlineedu.com/course/view/6/oracle-sql-and-plsql-11g-fundamentals
Views: 347574 MyOnlineEdu.com
How to connect to an Oracle Database? - Database Tutorial 37
 
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Video 37 - How to connect to a Oracle Database? - Database Tutorial 37 This video explains how to connection to an oracle database. The database, which is Oracle 11g has been installed in a Windows 7 computer.
Views: 117124 Sam Dhanasekaran
how to open oracle database by command prompt
 
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open edit by notepad oracle in by CMD 1.Best way to insert multiple rows of data in one SQL command in Oracle? https://youtu.be/I2W3eIFrDFs 2.Best way to use Escape Character with like operator,database query,complex queries https://youtu.be/gxAv1Xl5CNo 3.How to INSERT DATA by user -IN ORACLE INTERFACE (ORACLE 10G) https://youtu.be/ULwOaWJJJVQ 4. How to add Adsense ads to bloggers page or your blog or website ? https://youtu.be/ZLO9Reg13ZA 5. how to open oracle database by command prompt https://youtu.be/kkgKkqTWdAM -~-~~-~~~-~~-~- Please watch: "हँसी नहीं रोक पाओगे 100% Guarantee | Indian Funny Videos | Whatsapp Funny Videos😀😀" https://www.youtube.com/watch?v=kbwh5NwXQYo -~-~~-~~~-~~-~- #sqltutorial#oracletutorial#databasetutorial
Views: 4515 Viral Fun Tube
ORACLE :how to open and close oracle database 11g.FLV
 
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THIS TUTORIAL SHOW U HOW TO OPEN AND CLSE ORACLE DATABASE TO MAKE YOUR SYSTEM FASTER
Views: 22078 HUMMER4SHAQ
how to start and stop oracle database
 
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startup and shutdown modes of oracle database startup - it will startup database to read write mode. shutdown - normal shutdown. startup mount; -- maintenace mode. startup nomount; - it reads the pfile. alter database mount; - maintenance mode. alter database open; - it opens the database to read write mode. shutdown ========== alter database close; alter database dismount; shutdown; startup force; - it will shutdown and restart database (note: not recommende :)) it is like restart option in windows o/s select name,open_mode from v$database;
Views: 3939 Praveen Biyyapu
How to start the oracle database,  ORA-01033: ORACLE initialization or shutdown in progress
 
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ORA-01033: ORACLE initialization or shutdown in progress when oracle display error message ORA-01033, its mean that our database is not in working. For that it is very necessary to start the database. for that connect with the sys as sysdba user. and write the command startup open;
Views: 10122 Data Science Center
How to open oracle database?
 
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How to open oracle database? Oracle 10g database kaise open krte hai?ओरेकल 10g डेटाबेस कैसे ओपन करते है
Views: 482 Engineer Gam
open and close oracle database 11g.wmv
 
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لفتح وغلق الداتابيز لأوراكل
Views: 128 tamer elhashmy
How To Create Oracle Database - Using GUI - Browser
 
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Use oracle database in GUI. Connect, Create Workspace and User Oracle Database Express Edition 11g Release 2 download link http://www.oracle.com/technetwork/database/database-technologies/express-edition/downloads/index.html
Views: 6628 Tech Tips
Oracle tutorial : How to connect oracle database using sqlplus command line
 
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Oracle tutorial: How to connect oracle database using sqlplus command line sqlplus tools to connect to oracle database In this tutorial you can see using SQLPLUS commands how we can connect the oracle database . After connecting the oracle database you can able execute the sql query. oracleconnection oracle sqlplus connect to database
Views: 18225 Tech Query Pond
Connect To Oracle from Access Database using Linked Tables.
 
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Export Access Database Tables to Oracle and Link and Create Form from Oracle tables. Uses Oracle Odbc, Oracle, SQL, Access.
Views: 17534 Theodore Timpone
How to import .dmp file into Oracle Database
 
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This video tutorial is created for all those beginners who want to import any .dmp file from another Oracle Database to their own database.
Views: 7491 Uzair Awan
how to configure and connect oracle 12c database for the first time
 
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how to configure and connect oracle 12c database for the first time, add pluggable database services in tnsname.ora file, connect sys as sysdba, alter session set container = pdborcl, startup open; alter user name_of_user identified by password account unlock;
Views: 4268 Data Science Center
How to Start,Stop Pluggable database-Oracle 12C administration
 
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How to Start,Stop Pluggable database-Oracle 12C administration =================================================== Important Command SQL= show con_name; CON_NAME ------------------------------ CDB$ROOT SQL-- sho pdbs; CON_ID CON_NAME OPEN MODE RESTRICTED ---------- ------------------------------ ---------- ---------- 3 PDB MOUNTED SQL alter session set container=PDB;
Views: 5408 ANKUSH THAVALI
How to download/install oracle database (software) 11g release 2 on Windows 10 Pro 64 bit
 
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How to install oracle database 11g on Windows 10 Pro 64 bit, I'll explain the detail steps for downloading the oracle database 11g Release 2 then how to install it step by step. after that I will show you how to access oracle database(software) using SQL*Plus. thanks for watching. Subscribe for more: ---------------------------------- https://goo.gl/oL45FT SWE.Safaa Al-Hayali - saf3al2a TAGS: #How_to_install_oracle_database_11g_on_Windows_10_Pro_64_bit ----------------------------------------------------------------------------------------------------
Views: 152413 Safaa Al-Hayali
Get started with Oracle Database 11g XE and SQL Developer
 
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Learn how to install and use Oracle Database 11g Express Edition (XE) and use SQL Developer
Views: 6563 srikanth pragada
Oracle Database 18c Installation on Windows 10
 
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In this video we are going to demonstrate how to install Oracle Database 18c in Windows 10 Operating System. Oracle Database 18c is RDBMS software from Oracle Corporation with tons of features including Cloud Support. Oracle Database 18c installation in Windows Platform is very easier. This video guides step by step installation of oracle 18c on windows also covers, oracle database installation, sql plus and sqldeveloper to run sql queries, oracle instance manager to start and stop the database and finally access oracle enterprise manager 18c in browser. Hardware Requirements : Enough Hard disk space, RAM. Installation Class : Desktop class is choosen, which is easy to configure for desktops and laptops. Installation method : Offline, Oracle 18c zip file for windows downloaded and installed.
Views: 9357 java frm
Oracle Database Backup and Recovery Session 1
 
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https://dbagenesis.com/p/oracle-advanced-rman-backup-recovery DBA Genesis provides all you need to build and manage effective Oracle technology learning. We designed DBA Genesis as a simple to use yet powerful online Oracle learning system for students. Each of our courses is taught by an expert instructor, and every course is available on demand. MASTER AND LEARN - Backup and Recovery Overview - Cold Database Backup - Hot Database Backup - Manual Database Recovery
Views: 150240 DBA Genesis
Differences Between Oracle And PostgreSQL Open Source Database [2015]
 
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In this Video you will come to know the differences between Oracle And PostgreSQL Databases. In coming days I will do more videos based on this topic. This video help the developers to Migrate from Paid database to opensource database. 60% Oracle queries working properly in PostgreSQL, So its easy to migrate. PostgreSQL contains ACID property. Compare to Oracle, PostgreSQL retrieve data quickly (Refer my Blog: http://clearosapps.blogspot.in/2015/10/oracle-vs-postgresql-which-is-faster.html ). The queries which i used in this video are available in my blog - http://clearosapps.blogspot.in/ If you have any difficulties, any queries drop comments, like the video, Share it and subscribe the Channel for further updates. Background Music used: Gold Coast by Jens Kiilstofte https://machinimasound.com/music/gold-coast/ Licensed under Creative Commons Attribution 4.0 International (http://creativecommons.org/licenses/by/4.0/)
Views: 16745 8bitzs
Oracle SQL Tutorial 3 - Downloading Oracle Database and Installing SQL Developer
 
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This tutorial will take you through the process of downloading the oracle database, Oracle SQL Developer, and then teach you how to connect the Oracle SQL Developer to the database. We will be discussing how to access the advanced settings but will not be going in depth about all of the options. HELP ME! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://Twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 93470 Caleb Curry
Database Video 3 - How to connect to Oracle 12c in windows 8.1 PC
 
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This part three of the series, How to install Oracle 12c in Windows 8.1 PC. In this video we will explore how to connect to the Oracle 12c database that was installed using the method described in the second video
Views: 34355 Sam Dhanasekaran
How To Start Or Stop Oracle Database Service In Red Hat Linux Enterprise 6.0.
 
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How To Start Or Stop Oracle Service In Red Hat Linux Enterprise 6.0.
Views: 13148 Subhroneel Ganguly
install oracle DB, unlock HR table ,connect sql developer and NetBeans
 
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oracle DB HR table unlock, oracle xe installation and conntect with Sql developer ,NetBeans
Views: 22582 TAYFUN ÇELİK
SQL SERVER PART-12: Oracle Linked Database Server
 
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HOW TO CREATE LINKED SERVER AND HOW TO QUERY ORACLE DATABASE FROM SQL SERVER MANAGEMENT STUDIO. SQL server 2017 makes it easy to configure linked server. You can use open-query to get or manipulate data of linked server database. CONFIGURATION SUMMARY: PROVIDER : oracle provider for oledb. DATA SOURCE : It is usually a combination of oracle server IP: port number/t.n.s listener name. e.g. 192.168.1.10:5121/orcl OPEN QUERY : select * form openquery(linked_server_name, ' sql query statement ') Configure a linked server to enable the SQL Server Database Engine to execute commands against OLE DB data sources outside of the instance of SQL Server. Typically linked servers are configured to enable the Database Engine to execute a Transact-SQL statement that includes tables in another instance of SQL Server, or another database product such as Oracle. Many types OLE DB data sources can be configured as linked servers, including Microsoft Access and Excel. Linked servers offer the following advantages: • The ability to access data from outside of SQL Server. • The ability to issue distributed queries, updates, commands, and transactions on heterogeneous data sources across the enterprise. • The ability to address diverse data sources similarly. An oracle linked server require OLE DB provider. An OLE DB provider is a DLL that manages and interacts with a specific data source. If your oracle database is not in same server then you have to install The Oracle Data Access Components (ODAC) for Windows consists of Oracle client side drivers. An OLE DB data source identifies the specific database that can be accessed through OLE DB. Although data sources queried through linked server definitions are ordinarily databases, OLE DB providers exist for a variety of files and file formats. These include text files, spreadsheet data, and the results of full-text content searches. Typically, linked servers are used to handle distributed queries. When a client application executes a distributed query through a linked server, SQL Server parses the command and sends requests to OLE DB. The row set request may be in the form of executing a query against the provider or opening a base table from the provider.
Views: 930 G Entertainment
What You Should Do After Installing Oracle Database 11g XE
 
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This video describes how to start using Oracle APEX 4.0 after successfully installing Oracle Database 11g XE. Step by Step prodecures can be found here: http://www.developapex.com/2018/03/getting-started-with-oracle-apex.html Please Subscribe Thank You
Views: 44960 Boby Siswanto
Oracle DBA Justin - How to backup and restore an Oracle database with RMAN (basic)
 
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How to backup and restore an Oracle database with RMAN (basic)
Views: 290845 jbleistein11
How to re-open expired oracle database account without change password
 
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http://dbacatalog.blogspot.com
Views: 5153 dbacatalog
Open Database Recovery when Initially Oracle Database was Closed on Window
 
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By Vivek Saxena Insa Shabad Coachings Shamli Open Database Recovery(Recover database at run time) in Archive Mode when Database Initially Closed Create tabkespace vivek2 datafile 'e:\vivek2a.dbf' size 200k; Create table vivek(rn number(20)) tabkespace vivek2; Insert into vivek values(1); Commit ; Alter system switch logfile ; Shut immediate Startup Database mounted ERROR:ORA-01157:can't identified/lock data file 5 - see DBWR trace file ORA-01110: data file 5 Alter database datafile 5 offline ; Alter database open ; Alter database rename file 'e:\vivek2a.dbf' to 'c:\db3\data\vivek2a.dbf'; Set autorecovery on Select * from dba_data_files; Desc v$datafile ; Select file#, status from v$datafile ; Select * from v$recover_file ; Recover datafile 5; Alter database datafile 'c:\db3\data\vivek2a.dbf online ; select * from vivek ;
Lost prameter file in oracle database
 
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this video explains how to recreate lost parameter file
Views: 2461 P-Square Technologies
Plugging In  Oracle Database 12c Pluggable Databases
 
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Now that DB12c is official, we ALL can start investigating one of the most anticipated features of the Database 12c release- Pluggable Databases. This webinar will introduce the DBA to the concepts behind pluggable databases, the main feature points, along with a live demonstration working with pluggable databases in Oracle DB12c and an introduction to Enterprise Manager Express, (EM Express). An open discussion on options to create your own Virtual DB12c environment will be included.
Views: 29809 Redgate Videos
Oracle 12c Database - How to install Oracle 12c Database in Windows 10
 
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Installation of Oracle 12c database in Windows 10 PC.
Views: 37628 Sam Dhanasekaran
How to log in to an Oracle Database - Answer Video - Database Tutorials 42
 
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How to log in to an Oracle Database - Answer Video - Database Tutorials 42 This video explains about how to log in to an Oracle database. This also explains about how to create an user and grant a role to that user. In this case, the role granted is 'dba'. The following things happen in this Oracle Database Tutorial. * We invoke SQLPLUS using the CMD utility which came with Windows 7 (Just click START in your Windows 7 and type CMD in the field which is immediately above the START button. A CMD window will open) * We also invoke SQLPLUS using the program group in which Oracle has been installed. * We also invoke Database Control * We then create a user. * And we assign a password to that user. * Using those (username and password) we are able to connect to the Oracle Database.
Views: 10949 Sam Dhanasekaran
How to Install Oracle Database 11g on Windows 10 By Manish Sharma
 
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Detail tutorial on How to install Oracle database 11g enterprise edition on Windows 10 Professional 64 bit. Full installation under 9 mins. You can follow the steps for installing Oracle 11g on Windows 10 32 bit home or any other version. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Previous Tutorial ► Download Link http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html ►Create Database using DBCA https://youtu.be/enFFezPYhCg ►How To Unlock User using ALTER USER https://youtu.be/sMqq9MSVmQo ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/TheRebellionRider http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 328381 Manish Sharma
How to connect to Oracle Database using Toad for Oracle.
 
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How to connect to Oracle Database using Toad for Oracle. Online Video to learn the simple way to connect to database through Toad for Oracle. Learn Oracle connectivity from configuring tnsnames.ora , net8 client configuration to connecting to toad. A complete oracle tutorial.
Views: 118113 Subhroneel Ganguly
Oracle Database 12c Tutorial 3:Connect HR/SYS user with SQL Developer in Oracle12c Using TNS Service
 
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Learn how to connect HR and Sys User of Oracle database 12c With SQL Developer using TNS service. Connect HR user which is in pluggable database to SQL Developer ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : Previous Tutorial ► Tut 61: How To Unlock HR schema in Oracle Database 12c http://youtu.be/F81gfUnznZY ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at [email protected] Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 53022 Manish Sharma
HOW TO ENABLE DISABLE ARCHIVE LOG MODE IN ORACLE 11G DATABASE
 
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HOW TO ENABLE DISABLE ARCHIVE LOG MODE IN ORACLE 11G ==================================================== archive log list; show parameter log_archive_dest_1; show parameter recovery; Enable archive log mode: ======================== shutdown immediate; startup mount; alter database archivelog; alter database open; Disable archive log mode: ========================= shutdown immediate; startup mount; alter database noarchivelog; alter database open;
Views: 975 Praveen Biyyapu
How to unlock HR sample user in Oracle Database 18c by Manish Sharma
 
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RebellionRider.com presents how to unlock sample schema/user in Oracle Database 18c by Manish Sharma. Timestamps ( 01:12 ) Step 1: Find out the container ID ( 02:10 ) How do we get to know whether we are connected to a CDB or PDB ( 04:41 ) Step 2: Find out the service name ( 05:49 ) Step 3: Create an entry in TNSNAMES.ORA ( 09:13 ) Step 4: Switch from Container DB to Pluggable DB ( 11:04 ) Step 5: Unlock the HR user ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/unlock-schema-in-18c Previous Tutorial ► How to Install Oracle 18c on Windows https://youtu.be/kptbJ22kfqA ►TNSNAMES.Ora file at GIT https://github.com/RebellionRider/Oracl18c/blob/master/tnsnames.ora ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ------------------------------------------------------------------------- ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check the About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 2550 Manish Sharma
how to import oracle database or dmp file
 
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This video will tell you how to import a user from oracle data to you oracle data base
Views: 89519 brijesh kumar
Oracle tutorial 03: Connecting to oracle database through command prompt.mp4
 
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steps to connect to oracle database through command prompt.....!!!!
Views: 68957 navingupta52
Restore Database
 
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startup restrict force mount; drop database; --RESTORE CONTROLFILE: RMAN SET DBID=1448252880 RMAN startup nomount RMAN restore spfile from '/home/oracle/backup/spfile_bkp-20141016-1387941449-ORCL-41.bkp'; RMAN SET DBID=1448252880 RMAN startup nomount RMAN restore controlfile to '+DATA' from '/home/oracle/backup/CTF_FULL-20160820-1437349342-ORCL-156.bkp'; RMAN alter database mount; RESTAURAR O BANCO DE DADOS ORACLE RMAN restore database; RECUPERAR O BANCO DE DADOS RMAN recover database; RMAN alter database open resetlogs;
Views: 1213 Target Database
Database Tutorial 34 - What is an Oracle instance?
 
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Video 34 What is an Oracle instance? - Database Tutorial 34 Let us just say that you click that NOTEPAD icon in your PC. What does it do? It opens a process in the memory for NOTEPAD. That is it. Did it open a file? No. It did not open a file because we did not tell it to open a file. So this is just an empty memory process running in the RAM of the computer. Let me call this as an instance. So we have an instance of Notepad running. Oracle also functions in the same way. During the startup, it starts up an instance first. This contains a bunch of memory processes. The configuration of those are determined by the parameter file.
Views: 5870 Sam Dhanasekaran
Tutorial:Connect Oracle Database and PHP, using XAMPP
 
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Oracle Database 12c: http://www.oracle.com/technetwork/database/enterprise-edition/downloads/database12c-win64-download-1968077.html Xampp: https://www.apachefriends.org/ro/download.html Instant Client(Version 12.1.0.2.0) http://www.oracle.com/technetwork/topics/winsoft-085727.html scriptdemo.php: https://www.dropbox.com/s/4yb3hehf8x4ljfy/scriptdemo.php?dl=0
Views: 52882 Anechitoaei Bogdan
Oracle Database 12c Tutorial  2: How To Unlock HR schema in Oracle Database 12c
 
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Learn how to unlock HR user / Schema in Oracle Database 12c. Step by step procedure of unlocking the HR Schema in Oracle 12c By Manish Sharma a.k.a RebellionRider ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/how-to-unlock-hr-user-in-oracle-database-12c Previous Tutorial ► Tut 60: How To Install 12c On Windows 7: http://youtu.be/T-rCbe1MMG4 ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at [email protected] Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 82328 Manish Sharma
Database Tutorial 35 - What is an Oracle database?
 
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Video 35 What is an Oracle database? - Database Tutorial 35 Oracle Database Tutorial During the startup, it starts up an instance first. This contains a bunch of memory processes. The configuration of those are determined by the parameter file. Now, we open a file. So it reads that file from the hard disk and load that into that Notepad's process. While we call the initial empty Notepad process that started when we clicked that icon as an instance, we also can call the file that we opened as a data. Similarly, during the startup, Oracle starts an instance. Then we tell it to open a database. So, it reads the files from the disk and opens them. The memory processes are collectively called as an Oracle Instance. Those data files it opened as collectively called as an Oracle Database. Oracle Instance + Oracle Database = Oracle Database Kinda like... iPhone + iPod = iPhone
Views: 1774 Sam Dhanasekaran
R tutorial: connecting to a database
 
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Learn more about connecting to databases with R: https://www.datacamp.com/courses/importing-data-in-r-part-2 Welcome to part two of importing data in R! The previous course dealt with accessing data stored in flat files or excel files. In a professional setting, you'll also encounter data stored in relational databases. In this video, I'll briefly talk about what a relational database is and then I'll explain how you can connect to it. In the next video, I'll explain how you can import data from it! So, what's a relational database? There's no better way to show this than with an example. Take this database, called company. It contains three tables, employees, products and sales. Like a flat file, information is displayed in a table format. The employees table has 5 records and three fields, namely id, name and started_at. The id here serves as a unique key for each row or record. Next, the products table contains the details on four products. We're dealing with data from a telecom company that's selling both with and without a contract. Also here, each product has an identifier. Finally, there's the sales table. It lists what products were sold by who, when and for what price. Notice here that the ids in employee_id and product_id correspond to the ids that you can find in the employees and products table respectively. The third sale for example, was done by the employee with id 6, so Julie. She sold the product with id 9, so the Biz Unlimited contract. These relations make this database very powerful. You only store all necessary information once in nicely separated tables, but can connect the dots between different records to model what's happening. How the data in a relational database is stored and shuffled around when you make adaptations, depends on the so-called database management system, or DBMS you're using. Open-source implementations such as MySQL, postgreSQL and SQLite are very popular, but there are also proprietary implementations such as Oracle Database and Microsoft SQL server. Practically all of these implementations use SQL, or sequel, as the language for querying and maintaining the database. SQL stands for Structured Query Language. Depending on the type of database you want to connect to, you'll have to use different packages. Suppose the company database I introduced before is a MySQL database. This means you'll need the RMySQL package. For postgreSQL you'll need RpostgreSQL, for Oracle, you'll use ROracle and so on. How you interact with the database, so which R functions you use to access and manipulate the database, is specified in another R package called DBI. In more technical terms, DBI is an interface, and RMySQL is the implementation. Let's install the RMySQL package, which automatically installs the DBI package as well. Loading only the DBI package will be enough to get started. The first step is creating a connection to the remote MySQL database. You do this with dbConnect(), as follows. The first argument specifies the driver that you will use to connect to the MySQL database. It sure looks a bit strange, but the MySQL() function from the RMySQL package simply constructs a driver for us that dbConnect can use. Next, you have to specify the database name, where the database is hosted, through which port you want to connect, and finally the credentials to authenticate yourself. This is an actual database that we're hosting, so you can try these commands yourself! The result of the dbConnect call, con, is a DBI connection object. You'll need to pass this object to whatever function you're using to interact with the database. Before we do that, let's get familiar with this connection object in the exercises!
Views: 39945 DataCamp
Parse JSON from open RESTful API and save to Oracle database without programming
 
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Try Withdata JsonToOracle, Save RESTful API JSON data to Oracle database, no need to program, just a few mouse clicks! https://www.withdata.com/jsontooracle/ .
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