mysql select lowercase

The application of Windows under the deployment of Linux, using the features of the Quartz cluster, so built the MYSQL intermediate table, a start to see the error:invocation of Init method failed; nested Exception is

The application of Windows under the deployment of Linux, using the features of the Quartz cluster, so built the MYSQL intermediate table, a start to see the error:Invocation of Init method failed; Nested exception is

String function string comparison function if the result length is greater than the maximum value of the max_allowed_packet system variable, the return value of the string value function is NULL. See section 7.5.2 "Adjust server Parameters ". String

Generally, the entire string is used as the operation object, for example: search for a substring in a substring, obtain a substring, insert a substring at a certain position in the substring, and delete a substring. Generally, the entire string is

String functionsstring comparison functionsIf the length of the result is greater than the maximum value of the Max_allowed_packet system variable, the return value of the string value function is null. See section 7.5.2, "Tuning server parameters."

Detailed description of how MySQL queries Time Zone strings with uppercase and lowercase letters, mysql Case If you insert two rows of values 'A' and 'A' in A column with a unique constraint on mysql, Mysql considers it to be the same, but it does

Because the web uses MVC, the database uses MySQL. In order to facilitate development, under the Windows7 also installed a MySQL, today in the creation of the table, encountered a tricky problem. All the table names turn into lowercase, which is not

Generally, the entire string is used as the operation object, for example: search for a substring in a substring, obtain a substring, insert a substring at a certain position in the substring, and delete a substring. The required and sufficient

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

A string or string (string) is a finite sequence consisting of 0 or more characters. Generally recorded as s= ' a1a2 an ' (n>=0). It is the data type that represents text in the programming language. A string is usually used as an action object,