Article Introduction：When you specify ZEROFILL for a numeric column, MYSQL automatically pads zeros in front of the field's displayed value until the display width specified in the column definition is reached. For example, we create a table named showzerofill and insert the following values: mysql>CreateTableshowzerofill(Val1INT(5)ZEROFILL,Val2INT(5));QueryOK,0rowsaffected(0.09sec)mysql>Insertintoshowzerofill(Val1,Val2)values(1 ,1>,<12,12&gt

2023-08-24 comment 0  940

Article Introduction：Let's first create a table. it's here. We have set up a UserId column with ZEROFILL and AUTO_INCREMENT mysql>createtableDemoTable1831 ( UserIdint(7)zerofillauto_increment, PRIMARYKEY(UserId) &

2023-09-04 comment 0  2146

Article Introduction：The difference between MySQLBigInt and int is that INT is 32 bits long while BIGINT is 64 bits long. Here are some key points - BigInt occupies 8 bytes of storage space while int occupies 4 bytes of storage space. int occupies the maximum value of 4294967295 for int(10) and 18,446,744,073,709,551,615 for bigint(20). BigInt(20) and int(10), where 20 and 10 can be used for zero-padded width display. Here is a demo of Bigint and int with zero padding. Below is the query to create the table. mysql>createtableBigintand

2023-08-28 comment 0  1420