6.3

Create a Duplicate Table From An Existing Table

Create a Duplicate Table from an Existing Table with a Select Statement

  • It is often helpful to create a duplicate table from an existing table for testing purposes
  • You can combine the CREATE TABLE command with a select statement to create a duplicate of a table structure as well as the data in the table.

Code Sample:

1    USE world; 
2    CREATE TABLE city_bak AS SELECT * FROM city;

Results:

sub_03.png

USE world;

  • Select world as the default schema

CREATE TABLE city_bak AS SELECT * FROM city;

  • Create a new table named city_bak with the exact same structure as the city table.
  • Copy all of the data from the city table to the city_bak table
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