show table columns

ALTER table: Add, modify, delete table columns, constraints, and other table definitions. View column: Desc table name; Modify table name: ALTER TABLE T_book Rename to BBB; Add column: ALTER TABLE name add column name varchar (30); Delete column:

Introduction: There is a computed in Microsoft SQL Server Columns columns. The value of this column is computed by an expression that refers to the value of the other columns of the same table. For example, there is a servicelog table containing

Show DATABASES: lists the DATABASES on the mysql Server. Show tables [FROM db_name]: Lists TABLES in a database. Show table status [FROM db_name]: lists the TABLE information of a database. Show columns from tbl_name [FROM db_name]: lists the column

Development Log: Add comments for tables and columns when creating a table in mySQL, and view comments for tables and columns. Development Log: add notes for tables and columns when creating a mySQL table, and view the notes for tables and columns _

MySQL adds, modifies, and deletes TABLE columns and constraints. TABLE definitions such as bitsCN. comALTER TABLE: adds, modifies, and deletes TABLE columns and constraints. View column: desc table name; Alter table t_book rename to bbb; Add column:

Create/drop/grant/revoke Roles and PrivilegesHive Default authorization-legacy Mode has information about these DDL statements: CREATE ROLE GRANT ROLE REVOKE ROLE GRANT Privilege_type REVOKE Privilege_type DROP ROLE

ALTER table: Add, modify, delete table columns, constraints, and other table definitions.View column: Desc table name;Modify table name: ALTER TABLE T_book Rename to BBB;Add column: ALTER TABLE name add column name varchar (30);Delete column: ALTER

ALTERTable: Add, modify, delete table columns, constraints, and other table definitions. View column: Desc table name; Modify table name: ALTER TABLE T_book Rename to BBB; Add column: ALTER TABLE name add column name varchar (30);

Original: http://blog.csdn.net/ws84643557/article/details/6939846MySQL add columns, modify columns, delete columnsExample: ALTER TABLE tb_financial MODIFY create_time DATETIME (3) DEFAULT NULL COMMENT ' entry time ';ALTER table: Add, modify, delete

ALTER table: Add, modify, delete table columns, constraints, and other table definitions. View column: Desc table name; Modify table name: ALTER TABLE T_book Rename to BBB; Add column: ALTER TABLE name add column name varchar (30);