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How to create an INT field (not a primary key) that begins at 1000 with auto_increment in MySQL?
For this, you need to set AUTO_INCREMENT as 1000 −
alter table yourTableName AUTO_INCREMENT = 1000;
Let us first create a table −
mysql> create table DemoTable639 ( StudentId int PRIMARY KEY, StudentStartId int AUTO_INCREMENT, StudentName VARCHAR(50), INDEX(StudentStartId) ); Query OK, 0 rows affected (0.86 sec)
Following is the query to set auto increment with value 1000 −
mysql> alter table DemoTable639 AUTO_INCREMENT = 1000; Query OK, 0 rows affected (0.28 sec) Records: 0 Duplicates: 0 Warnings: 0
Insert some records in the table using insert command −
mysql> insert into DemoTable639(StudentId,StudentName) values(1,'John'); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable639(StudentId,StudentName) values(2,'Chris'); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable639(StudentId,StudentName) values(3,'Robert'); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable639(StudentId,StudentName) values(4,'David'); Query OK, 1 row affected (0.16 sec)
Display all records from the table using select statement −
mysql> select *from DemoTable639;
This will produce the following output −
+-----------+----------------+-------------+ | StudentId | StudentStartId | StudentName | +-----------+----------------+-------------+ | 1 | 1000 | John | | 2 | 1001 | Chris | | 3 | 1002 | Robert | | 4 | 1003 | David | +-----------+----------------+-------------+ 4 rows in set (0.00 sec)
Updated on: 23-Aug-2019
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