MyISAM data table
After a record with the maximum number is deleted, the number cannot be reused.
You can use the "auto_increment = N" option to specify an auto-increment initial value when creating a table.
You can use the alter table table_name
When you insert A piece of data in Table A and insert data in Table B, you need to add the auto-increment corresponding to the corresponding field in table A. How do you get the auto-increment of Table? Next, we will introduce the auto-increment in
Method for resetting the auto-increment start value of various MySQL data table types bitsCN.com
Methods for resetting the auto-increment start value of various MySQL data table types
MyISAM data table
After a record with the maximum number is
From: http://blog.chinaunix.net/space.php? Uid = 13626447 & Do = Blog & cuid = 392987
Create Table Test(Id int unsigned not null primary key auto_increment,Username varchar (15) not null)Auto_increment = 100;
Repeated innodb auto-increment column values
1. duplicate values in the innodb auto-increment column
Start with the problem and reproduce the bug.
use test;drop table t1;create table t1(id int auto_increment, a int, primary key (id))
The auto-increment auto_increment function in mysql is believed to have been used by every phper. This article will share with you the specific viewing and setting methods of the mysql Field Auto-increment function.
The auto-increment auto_increment
I have been searching for it online for a long time. Some people say that uuid is better, that is, it is easier to merge data into sub-databases and sub-tables, and some people say that auto-increment is better, when there is more data in the table,
MySQL faq:how do I define a MySQL auto increment field?Here's an example of the normally create a MySQL auto Increment (auto_increment) field:CREATE TABLE pizzas ( ID int auto_increment NOT NULL, name varchar (+) NOT NULL, primary key (ID)); As
How does SQL Server modify the auto-increment column value and corresponding solutions?
A special task encountered in today's work is to change the values of the two auto-incrementing columns.Since the SQL Server platform has previously migrated the
MySQL tutorial-When AUTO_INCREMENT auto-increment encounters 0
DBAs familiar with SQL Server know that if you want to display the auto-increment values in SQL Server, except for the auto-increment columns in the INSERT statement, you also need to
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