how to mysql create table auto increment?

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Hi,

I create a new table for following query

create table employee_data
(
  emp_id int unsigned not null auto_increment primary key,
  f_name varchar(30),
  l_name varchar(20),
  age int,
  salary int
);

does not auto increment data. Please correct my sql query.

Posted 16-Feb-11 1:34am

arulbaskar

Updated 16-Feb-11 1:36am

JF2015

v2

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E.F. Nijboer · Accepted Answer · 2011-02-16T02:15:00

Have a look at the link below. It should work but you need to add ENGINE=MyISAM; at the end of your statement.
http://dev.mysql.com/doc/refman/5.0/en/example-auto-increment.html[^]

For InnoDB look here:
http://dev.mysql.com/doc/refman/5.1/en/innodb-auto-increment-handling.html[^]

Also check this out:
http://dev.mysql.com/doc/refman/5.1/en/server-sql-mode.html#sqlmode_no_auto_value_on_zero[^]

Good luck!

Shahriar Iqbal Chowdhury/Galib · Accepted Answer · 2011-02-16T09:20:00

Hi,

You can use following query,

CREATE TABLE employee_data
(
emp_id int NOT NULL AUTO_INCREMENT,
f_name varchar(30),
l_name varchar(20),
age int,
salary int,
PRIMARY KEY (emp_id)
)

ALTER TABLE employee_data AUTO_INCREMENT=1;

Insert query will be
INSERT INTO Persons (f_name,l_name,age,salary) VALUES ('Brian','lara',25,5000)
Also you can check last inserted id by
mysql_insert_id()

Hope this will help.

how to mysql create table auto increment?

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