MySQL 5.0中int和integer有什么区别？

Question

What is the difference between int and integer datatypes in MySQL 5.0? Can anyone help? I don't understand the exact difference.

Answer 1

Taken from MYSQL 5.0 online reference

The keyword INT is a synonym for INTEGER.

Answer 2

I guess the only difference is the spelling.

So by using INT, you'd end up using less bytes on your SQL script (not that it matters).

Answer 3

According to the MySQL documentation :

The keyword INT is a synonym for INTEGER

but if you want to write SQL scripts compatible with ANSI SQL use INTEGER . According to the specification :

SQL defines distinct data types named by the following keywords: CHARACTER, CHARACTER VARYING, BIT, BIT VARYING, NUMERIC, DECIMAL, INTEGER , SMALLINT, FLOAT, REAL, DOUBLE PRECISION, DATE, TIME, TIMESTAMP, and INTERVAL.

In this way, you will have better chance to use your SQL scripts on other DBMS. For example PostgresSQL have an INTEGER type but no INT type.

Answer 4

之间的差int和整数是int是一种数据类型，但整数是一组数据类型-例如int ， long ， short和byte 。