rename table name in sql

1. Add a new column to the existing table in the database Statement:altertable name add column name type Example:alter MyUser ADD Userdesc VARCHAR(+);2. Name the rename in the existing tables in the database Statement:altertablecolumn to new columns

17:39:37 | +---------------------+---------------------+ 3 Rows in Set (0.00 sec) At this point we can delete the original mytime table mysql> drop table mytime; Query OK, 0 rows Affected (0.00 sec) We can also use a special SQL statement to implement. That is the Rename command, as follows: Mysql>

Rename the column name and table name in oracle directly in pl/SQL and then in oem, however, you may not be able to change the lower-case table name to the upper-case

Five ways to change MySQL database name: The code is as follows Copy Code 1. RENAME DATABASE db_name to New_db_name This one.. This syntax is added to the MySQL 5.1.7, 5.1.23 and removed.It is said that it is possible to lose data. It's better not to use it. It's simple, just a rename. Grammar: The code is as f

SQL modifies the database name, table name, and field name [Materials from the network] Modify database name: alter database original database name modify

databaseSysindexs each database indexSysmenbers each database role memberSysobjects all database objects in each databaseSyspermissions permissions for each databaseSystypes user-defined data types for each databaseSysusers each database user //How can I obtain all the column names in a table. SQL statement.Select column name =

Tags: set l database collect text code span ret CTI Lin usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text; namespace_03 Major Item { Public classDeskinfo {//Deskid, Deskname, Desknamepinyin, Deskdelflag, Desknum Private int_deskid; /// ///the ID of the dining table/// Public intDeskid {Get{return_deskid;} Set{_deskid =value;} } Private string_deskname; /// ///the

added:Debug on the company's network today. connect to an SQL Server 2000. an error occurred while loading the table name. later I compared SQL Server 2005 on my computer. no sys. schemas (view ). (It seems that the concept of schema does not exist. sorry, I am still a little white on the database .) after several att

I am working on secondary development of an application. All databases are locked. The table name of the user table is user. Now I want to use nhib.pdf for persistent connection to the SQL database. The result is a syntax error (SQL database syntax error) caused by the

The Code is as follows: EXEC sp_rename 'table name. [original column name] ', 'new column name', 'column' Transact-SQL referenceSp_renameChange the name of the user-created object (such as a