Oracle Tables
Local Temporary tables
In Oracle, local temporary tables are distinct within modules. These tables are defined and scoped to the session in which you created it. Declare local…
Global Temporary tables
Temporary tables generally contain all of the features that ordinary tables have like triggers, join cardinality, information about rows and block etc. the main difference…
DROP TABLE
Oracle DROP TABLE statement is used to remove or delete a table from the Oracle database. Syntax DROP [schema_name].TABLE table_name [ CASCADE CONSTRAINTS ] [ PURGE ]; Parameters schema_name: It specifies the…
ALTER TABLE
In Oracle, ALTER TABLE statement specifies how to add, modify, drop or delete columns in a table. It is also used to rename a table….
CREATE TABLE AS
The CREATE TABLE AS statement is used to create a table from an existing table by copying the columns of existing table. Note: If you…
CREATE TABLE
In Oracle, CREATE TABLE statement is used to create a new table in the database. To create a table, you have to name that table…