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SQL GLOBAL TIME TABLES (GTT)

1 July 2020

SQL GLOBAL TIME TABLES

SQL GLOBAL TABLES are tables that are created separately in SQL sessions.

Syntax for CREATE GLOBAL TEMPORARY TABLE in SQL

CREATE GLOBAL TEMPORARY TABLE tab_name
( col1 datatype_1 [ NULL | NOT NULL ],
col2 datatype_1 [ NULL | NOT NULL ],

);

where:

  • tab_name – the name of the global time table you want to create
  • col1, col2 – The columns you want to create in the global time table. Each column must have a data type. The column must be defined as NULL or NOT NULL, and if this value is left blank, the database takes NULL as its default value.

Example:

Let’s look at SQL CREATE GLOBAL TEMPORARY TABLE

CREATE GLOBAL TEMPORARY TABLE suppls_temp
( suppl_id numeric(10) NOT NULL,
suppl_name char(50) NOT NULL,
cont_name char(50)
);

This example will create a GLOBAL TIME TABLE suppl_temp.

GLOBAL TEMPORARY TABLE (GTT) IN ORACLE SQL WITH EXAMPLES

 
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