GLOBAL TEMPORARY TABLES

This SQL tutorial explains how to create SQL GLOBAL TEMORARY tables with syntax and examples.

DESCRIPTION

SQL GLOBAL TEMPORARY TABLES are tables that are created distinct within SQL sessions.

SYNTAX

The syntax for SQL CREATE GLOBAL TEMPORARY TABLE is:

CREATE GLOBAL TEMPORARY TABLE table_name
( column1 datatype [ NULL | NOT NULL ],
  column2 datatype [ NULL | NOT NULL ],
  ...
);

Parameters or Arguments

table_name

The name of the global temporary table that you wish to create.

column1, column2

The columns that you wish to create in the global temporary table. Each column must have a datatype. The column should either be defined as NULL or NOT NULL and if this value is left blank, the database assumes NULL as the default.

EXAMPLE

Let's look at a SQL CREATE GLOBAL TEMPORARY TABLE example:

CREATE GLOBAL TEMPORARY TABLE suppliers_temp
( supplier_id numeric(10) NOT NULL,
  supplier_name char(50) NOT NULL,
  contact_name char(50)
);