全部博文(130)
发布时间:2015-11-28 14:15:52
SQL data type is an attribute that specifies type of data of any object. Each column, variable and expression has related data type in SQL.You would use these data types while creating your tables. You would choose a particular data type for a table column based on your requirement.SQL Ser.........【阅读全文】
发布时间:2015-11-28 14:13:17
SQL is followed by unique set of rules and guidelines called Syntax. This tutorial gives you a quick start with SQL by listing all the basic SQL Syntax:All the SQL statements start with any of the keywords like SELECT, INSERT, UPDATE, DELETE, ALTER, DROP, CREATE, USE, SHOW and all the statemen.........【阅读全文】