INSERT with SELECT

Question

I have a query that inserts using a select:

INSERT INTO courses (name, location, gid) 
            SELECT name, location, gid 
              FROM courses 
           


        

Answer 1

We all know this works.

INSERT INTO `TableName`(`col-1`,`col-2`)
SELECT  `col-1`,`col-2` 

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Below method can be used in case of multiple "select" statements. Just for information.

INSERT INTO `TableName`(`col-1`,`col-2`)
 select 1,2  union all
 select 1,2   union all
 select 1,2 ;