Syntax rename::= Description of the illustration rename.eps Semantics old_name Specify the name of an existing table, view, sequence, or private synonym. new_name Specify the new name to be given to the existing object. The new name must not already be used by another schema object in the...
oracle中rename renamecolumn oforacle http://www.dba-oracle.com/t_alter_table_rename_column_syntax_example.htmInOracle9ir2,Oracleprovides "alter table" syntax torenamedata columns in-place in this form: alter table table oracle ide 原创 mb649d3a75b51a2...
In MySQL, the SQL syntax for ALTER TABLE Rename Column is, ALTER TABLE "table_name" Change "column 1" "column 2" ["Data Type"];In Oracle, the syntax is, ALTER TABLE "table_name" RENAME COLUMN "column 1" TO "column 2";Let's look at the example. Assuming our starting point is ...
oracle rename命令 renamecolumn oforacle http://www.dba-oracle.com/t_alter_table_rename_column_syntax_example.htmInOracle9ir2,Oracleprovides "alter table" syntax torenamedata columns in-place in this form: alter table table oracle ide 原创
When you do not use a qualified object name or the AW keyword to specify a workspace, the object is renamed in the current workspace. For an unnamed composite, use the same syntax that was used to create it. See "Naming an Unnamed Composite". newname The new name. The new name of ...
The following SQL script will renamePinCodetoZipCodein theEmployeetable in Oracle, MySQL, PostgreSQL, SQLite database. SQL Script: Rename Column ALTERTABLEEmployeeRENAMECOLUMNPinCodeTOZipCode; Use the built-in proceduresp_renameto changes the name of a user-created object in the database such as...
We use Function-Based indexes to improve the performance of queries that contain functions in the WHERE clauses. To tell Oracle create function based index on your table, use the below syntax: CREATE [UNIQUE] INDEX index_name ON table_name (function1, function2, ... functionN); ...
Before you execute theRENAME TABLEstatement, make sure that no table is locked and no transaction is active. RENAME TABLEis also applicable to views, but cannot move views across databases. Syntax RENAME TABLE table_name TO [new_database_name.]new_table_name [, table_name2 TO [new_databas...
In Oracle, we can rename a table using the same two ways we listed above for MySQL. SQL Server In SQL Server, one cannot use SQL to rename a table. Instead, it is necessary to use the sp_rename stored procedure to do so. The syntax is: sp_rename ‘OLD_TABLE_NAME’, ‘NEW_TABLE...
Different databases support the different syntax to rename a table. Use the ALTER TABLE RENAME script to rename table names in MySQL, PostgreSQL, and SQLite database.