Select into in postgresql6/29/2023 ![]() ![]() ![]() The PostgreSQL SELECT INTO statement creates a new table and inserts data returned from a query into the table. I write a simple script to demonstrate the usage of above two CREATE TABLE AS and SELECT INTO methods. Introduction to PostgreSQL SELECT INTO statement. We also can append âWhereâ clause in above SQL script likeĬREATE TABLE 'NEW_TABLE_NAME' AS SELECT * FROM 'TABLE_NAME_YOU_WANT_COPY' WHERE CONDITION' CREATE TABLE AS is the recommended syntax. The select into statement allows you to select data from the database and assign the data to a variable. Sometime i also use this method to temporary backup table :), according to PostgresSQL âCREATE TABLE ASâ is functionally similar to SELECT INTO. The data is not returned to the client, as it is with a normal SELECT. It takes columns of the first table and applies INNER JOIN with ON condition on the second table. SELECT INTO creates a new table and fills it with data computed by a query. Move forward and you will have detailed knowledge about the PostgreSQL SELECT statement. SELECT FROM , Syntax Using INNER JOIN as CROSS JOIN INNER JOIN can also be used to get the results of the CROSS JOIN by using the following syntax.It can be achieved with following two syntax.Ä¡) CREATE TABLE 'NEW_TABLE_NAME' AS SELECT * FROM 'TABLE_NAME_YOU_WANT_COPY' Ä¢) SELECT * INTO 'NEW_TABLE_NAME' FROM 'TABLE_NAME_YOU_WANT_COPY' You can consider the SELECT statement to be the most complex statement in PostgreSQL that can be used with a variety of optional keywords and clauses. The following SELECT INTO statement creates the destination table and. ![]() PostgreSQL support function like create a new table(with data) from an existing table. The SELECT INTO statement creates a new table and inserts rows from the query into it. ![]()
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