Preserve column attributes such as AUTO_INCREMENT and column's default value during table copying. : AUTO_INCREMENT « Data Type « SQL / MySQL






  1. SQL / MySQL
  2. Data Type
  3. AUTO_INCREMENT

Preserve column attributes such as AUTO_INCREMENT and column's default value during table copying.

       


CREATE TABLE dst_tbl (PRIMARY KEY (id)) SELECT * FROM src_tbl;
ALTER TABLE dst_tbl MODIFY id INT UNSIGNED NOT NULL AUTO_INCREMENT;








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4.AUTO_INCREMENT sequences start at one
5.For MyISAM tables, you can begin the sequence at a specific initial value n by including an AUTO_INCREMENT = n
6.Using an AUTO_INCREMENT Column to Create Multiple Sequences
7.AUTO_INCREMENT column:
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9.MEDIUMINT NOT NULL AUTO_INCREMENT
10.INTEGER UNSIGNED AUTO_INCREMENT
11.Insert value to AUTO_INCREMENT column
12.delete and reinsert value to AUTO_INCREMENT column
13.SET @@AUTO_INCREMENT_OFFSET = 10,@@AUTO_INCREMENT_INCREMENT = 10
14.Set AUTO_INCREMENT value
15.Parameter: INT NOT NULL AUTO_INCREMENT
16.Create a similar table, preserve the auto-incrementing key
17.Defining Auto-Increment Columns
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