Indexes. They're one of the most powerful and misunderstood aspects of SQL performance. In this post we'll look at the purpose of an index, how to create and choose choose your index type. Then finish with a di
Yes. But, as always, there's more to it than this. You'll want to add some constraints to your table. And there are many types of table available in Oracle Database, including:Table Organization: Heap Index External Temporary Tables Partitioning Table Clusters Blockchain Tables...
In Oracle Database 12c Release 1 the concept of multitenant environment has been introduced. The multitenant architecture enables an Oracle database to function as a multitenant container database (CDB) that includes zero, one, or many customer-created pluggable databases (PDBs). A PDB is a p...
I am working on exadata project. Right now I am going to upgrade the Database from 11.2.0.2 to 11.2.0.3. My Question: there is Solaris Express 11 Compute nodes. I am connected directly to the Exada using KVM, but I can't see the GUI or desktop of Solaris server. Because I need t...
In this tutorial, you will learn how to use the Oracle STARTUP command to start up an Oracle Database instance.
Creating the useroracleand the groupsoinstall(forOraInventory) anddba(forOSDBA), which are used during database installation. (For security purposes, this user has no password by default and cannot log in remotely. To enable remote login, please set a password using thepasswdtool.) ...
Related Topics • Oracle Database 21c Documentation Accessing the Oracle Database Image on Docker To access the database image on Docker, you start the container, and then run commands though Docker to access the database. 1 Note: This document provides an overview of...
Create an Oracle Data Guard Broker configuration for the primary database. You use thedgmgrlcommand to create the Oracle Data Guard Broker configuration. You need to know the name of the Oracle Data Guard Broker configuration that you want to create, the name of the primary database, and the...
How to Create a Table in Oracle? Now that we know what exactly a table in Oracle is, we will see how to create a table in the Oracle database. Let us look into the syntax for creating a table in Oracle. Syntax: CREATE TABLE table_name ( ...
Oracle Database - Enterprise Edition - Version 11.2.0.3 and later: How to calculate the number of columns in a create index statement giving ORA-01793: Maximum Numbe