get auto increment value mysql

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

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))

Three methods for obtaining the MySQL auto increment Field ValueIt was found in the built-in MySQL docs. The following test program can run: ----------- The statement. getgeneratedkeys () can be obtained only after being inserted first ()1.

[DB] [MySql] about getting the value of the auto-increment field and @ IDENTITY and concurrency issues Anyone who just switched from Oracle to MySql will be confused that MySql does not have Sequence in Oracle. MySql does not have Sequence. How can

Today found in bulk INSERT, the self-increment primary key is not continuous ....InnoDB auto_increment Lock ModesThis section describes AUTO_INCREMENT the behavior of lock modes used to generate auto-increment values, and how each lock mode aff ECTS

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

[PHP] MySQL obtains the primary key (auto-increment ID) and mysql primary key of the inserted data.   To prevent primary key conflicts, auto-increment (auto_increment type) fields are often used in DB Design. Therefore, the primary key of the

[PHP] MySQL obtains the primary key (auto-increment ID) of the inserted data. to prevent primary key conflicts, the auto-increment (auto_increment type) field is often used during database design. Therefore, the primary key of the modified record is

Assume that the database test table has three fields {code ...} now we want to insert a piece of data so that the values of order and id are equal. I want to insert a piece of data first and then get the inserted id. Then, update sets order to the

Using the mysql transaction feature to implement concurrent and secure auto-increment ID example bitsCN.com projects often use auto-increment IDs, such as uid. The simplest way is to directly use the AUTO_INCREMENT provided by the database, however,