sql

MySQL INSERT INTO SELECT 

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MySQL INSERT INTO SELECT Overview MySQL INSERT INTO SELECT Overview In the previous tutorial, you learned how to insert one or more rows into a table using the INSERT statement with a list of column values specified in the VALUES clause. Besides using row values in the VALUES clause, you can use the result of a SELECT statement as the data source for the INSERT statement. The following illustrates … Read more

DDL and DML MySQL Exercises

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Exercises on Data Manipulation Language (DML) & Data Definition Language (DDL) 1. Write a SQL statement to create a simple table countries including columns country_id,country_name and region_id. Solution 2. Write a SQL statement to create a simple table countries including columns country_id,country_name and region_id which is already exists. Solution 3. Write a SQL statement to create the structure … Read more