Tag: Oracle Database

In Oracle PLSQL primary key is a single field or a combination of fields that determines the uniqueness of the record. Fields that are part of the primary key cannot contain the value NULL. A...

The CREATE SCHEMA operator does not actually create the circuit in Oracle. (Learn how to create a schema in Oracle.)The CREATE SCHEMA statement is only used to create objects (i.e. tables,...

Oracle Role is a set or group of privileges that can be granted to users or other roles. It is a great way for database administrators to save time and effort. Create Oracle Role The role is...

You can grant and revoke privileges for different database objects in Oracle. We will first look at how to grant and remove table privileges, and then how to grant and remove privileges to...

Set a default persistent table space First, make sure you create a permanent table space.Then you will need to modify the Oracle database to use the persistent table space as the default...

To find the default permanent tablespace in Oracle, you can run the following SELECT operator. Default persistent tablespace SELECT PROPERTY_VALUE FROM DATABASE_PROPERTIES WHERE PROPERTY_NAME...

The DROP TABLESPACE operator is used to remove tabular space from the Oracle database. TABLESPACE is used to allocate space in the Oracle database where schema objects are stored. Syntax for the...

The ALTER TABLESPACE operator is used to change the table space or one of its data files or temporary files. TABLESPACE is used to allocate space in an Oracle database where schema objects are...

The CREATE TABLESPACE operator is used to allocate space in the Oracle database where schema objects are stored. The CREATE TABLESPACE operator can be used to create three types of tabular...

Relational databases are among the most frequently used databases to date, and therefore SQL skills are mandatory for most positions.In this article with SQL interview questions I will...

You can find users created in Oracle by performing a command line query. User information is stored in various system tables - ALL_USERS and DBA_USERS, depending on what user information you want...

Change user password in OracleQ: How do I change the password for a user in Oracle?A: In order to change a user's password in Oracle, you must execute the ALTER USER command. Syntax for...

Oracle DROP USER operator is used to delete a user from the Oracle database and delete all objects belonging to that user. Syntax for the DROP USER operator in Oracle/PLSQL DROP USER user_name...

The Oracle CREATE USER operator creates a database account that allows you to log into the Oracle database. Syntax of the CREATE USER operator in Oracle/PLSQL CREATE USER user_name IDENTIFIED...

In this material you will learn how to use, create, update and delete Oracle VIEW with syntax and examples. What is VIEW in Oracle? In Oracle, VIEW is essentially a virtual table that does not...

Oracle LOCAL TEMPORARY TABLES are different inside modules and embedded SQL programs within Oracle sessions. LOCAL TEMPORARY TABLE syntax DECLARE LOCAL TEMPORARY TABLE table_name ( column1...