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#Postgresql insert into table how to

With TABLE KeywordĬREATE TEMP TABLE student(stud_id serial NOT NULL PRIMARY KEY, stud_name VARCHAR(80)) We can use either the TEMP or TEMPORARY keyword with CREATE table statement to create a temporary table.Ĭonsider the following example, which creates two tables, ‘student’ and ‘teacher’, with the help of TEMP and TEMPORARY keyword with CREATE TABLE statements, respectively.

#Postgresql insert into table how to

How to Create a PostgreSQL Temporary Table? We can not access the permanent table if we are having a temporary table with the same name as a permanent table.

The temporary table hides the permanent table is defined with the same name until it is not dropped for the respective database session or transaction.

We can create a temporary table with the same name as a permanent table in the database, which is actually not recommended.

The temporary tables are visible to the current transaction or database session in which we create the table.

The temporary tables are invisible to other transactions and database sessions.

In order to create a temporary table, we have to use the CREATE TEMPORARY TABLE statement as follows:ĬREATE TEMPORARY TABLE temp_table_name( … ) Īlso, we can use the TEMP keyword instead of the TEMPORARY keyword in the CREATE statement defined above and can rewrite it as follows:ĬREATE TEMP TABLE temp_table_name( … ) How Temporary Table works in PostgreSQL? Hadoop, Data Science, Statistics & others