mysql int type

Explain the meaning of M in MySQL Data Type int (M), mysqlint Introduction The integer types in the MySQL data type is a bit strange. You may see int data types such as int (3), int (4), and int (8. When I first came into contact with MySQL, I

The integer types in the MySQL data type is a bit odd. You may see int data types such as int (3), int (4), int (8). When I first contacted MySQL, I thought that int (3) occupies less storage space than int (4), and int (4) occupies less storage

NT (M) let's first split, int is representing integer data so the middle of the M should represent how many bits, and later the MySQL handbook also learned that my understanding is correct, I would like to illustrate.The integer types in the MySQL

Introduced The integer types in the MySQL data type is a bit odd. You may see int data types such as int (3), int (4), int (8). When I first contacted MySQL, I thought that int (3) occupies less storage space than int (4), and int (4) occupies less

The integer types in the MySQL data type is a bit strange. You might see an int data type such as int (3), int (4), int (8). When I first approached MySQL, I thought int (3) took up less storage space than int (4), and int (4) used less storage

1. Full backup and incremental backup 1.1 full-scale backupFull-volume data is all the data in the database, and a full backup is the backup of all the data in the database.Back Up all libraries:mysqldump -uroot -p123456 -S /data/3306/mysql.sock -F -

1. Shaping is divided into four kinds of tinyint smallint mediumint int bigintAttention:　　The value range on the right is in the case where the unsigned keyword is not added, if unsigned is added, the maximum value is doubled, such as the tinyint

My friend seaside asked me what is the length of the int type when I build the table in MySQL? Is this column allowed to store the maximum width of a value? Why I set it to int (1), also can save 10,100,1000.While I knew Int (1), this length of 1

My friend seaside asked me what is the length of the int type when I build the table in MySQL? Is this column allowed to store the maximum width of a value? Why I set it to int (1), also can save 10,100,1000.While I knew Int (1), this length of 1

I connected using pdo and printed it using var_dump. I found that the field of the int type in mysql is printed and changed to the string type. I don't know what the problem is, is there a way for php to display the actual mysql field type? I