mysql square

We will use the micro-credit public account Square Times Studio as a tutorial example, two-dimensional code see bottom. This series of tutorials will guide you through the following tasks: Create Sina cloud computing platform application enable

MySQL stored procedure SP explanation 1. Introduction to stored procedures The commonly used Operating Database Language SQL statements must be compiled and then executed before execution. the Stored Procedure (Stored Procedure) is a set of SQL

MySQL functions and Usage examples String functions ASCII (str)Returns the ASCII value of the first character of the string 'str' (0 is returned when 'str' is an empty string)Mysql> select ASCII ('2 ');-> 50Mysql> select ASCII (2 );-> 50Mysql>

String functionsASCII (str)Returns the ASCII value of the first character of the string str (str is empty when the string returns 0)Mysql> Select ASCII (' 2 ');50Mysql> Select ASCII (2);50Mysql> Select ASCII (' dete ');100ORD (str)If the string str

Replace and regexp usage0 Comments | This entry was posted on Apr 08 2010. Mysql replace usage 1. replace Replace into table (id, name) values ('1', 'A'), ('2', 'bb ') This statement inserts two records into the table. If the primary key id is 1 or 2

Use of Replace and regexp0 Comments | This entry is posted on APR 08 2010 MySQL Replace usage 1.replace into Replace into table (Id,name) VALUES (' 1′, ' AA '), (' 2′, ' BB ') The purpose of this statement is to insert two records into table tables.

Create a stored procedure for MySQL Mysql stored procedure details 1. Introduction to stored procedures The commonly used operating database language SQL statements must be compiled and then executed before execution. The Stored Procedure

MySql numeric functions abs (N) returns the absolute value of N www.2cto.com mysql> select ABS (2);-> 2 mysql> select ABS (-32);-> 32 sign (N) returns the parameter symbol (-1, 0, or 1) mysql> select SIGN (-32);->-1 mysql> select SIGN (0 ); -> 0

MySql digital functions library bitsCN.com MySql digital functions Abs (N) returns the absolute value of N. Mysql> select ABS (2 ); -> 2 Mysql> select ABS (-32 ); -> 32 Sign (N) the return parameter symbol (-1, 0, or 1) Mysql> select SIGN (-32 );

ASCII (str) returns the ASCII value of the first character of the string str (0 if str is an empty string) mysqlgt; selectASCII ( ASCII (str) returns the ASCII value of the first character of the string str (0 if str is an empty string) mysqlgt;