Built-in functions as shown in the title, mysql STR refers to converting numeric character, why do I perform after prompt FUNCTION dsrsksdb_v6. STR does not exist the mistake? I take simple statement tests are wrong, my test line:

 select STR (3,1,3) 

, mysql version 5.6, this is why each master

CodePudding user response:

Substr?

CodePudding user response:

MySql5.7 Str the built-in function, digital string, can use cast, convert, concat