DROP INDEX [schema_name.]index_name;Code language:JavaScript(javascript) In this syntax: First, specify an optional schema name to which the index belongs. If you omit the schema name, Oracle assumes that the index is in your own schema. ...
The DROP INDEX statement is used to delete an index in a table. DROP INDEX Syntax for MS Access: DROP INDEX index_name ON table_name DROP INDEX Syntax for MS SQL Server: DROP INDEX table_name.index_name DROP INDEX Syntax for DB2/Oracle: ...
Syntax drop_index::= Description of the illustration drop_index.eps Semantics schema Specify the schema containing the index. If you omitschema, then Oracle Database assumes the index is in your own schema. index Specify the name of the index to be dropped. When the index is dropped, all ...
Oracle/ Oracle Database/ Release 23 Spatial Developer's Guide Syntax DROP INDEX [schema.]index [FORCE]; Purpose Deletes a spatial index. Keywords and Parameters ValueDescription FORCE Causes the spatial index to be deleted from the system tables even if the index is marked in-progress or some...
Syntax for MS SQL Server: MS SQL Server的语法是这样: DROP INDEX table_name.index_name Syntax for IBM DB2 and Oracle: IBM DB2和Oracle的语法为: DROP INDEX index_name Syntax for MySQL: MySql则是这样: ALTER TABLE table_name DROP INDEX index_name ...
Syntax DROP INDEX index_name ON table_name; Parameters Examples Drop theidx_testindex from thetbl_testtable. obclient>DROP INDEX idx_test ON tbl_test;
--SQL DROP INDEX 语句 --我们可以使用 DROP INDEX 命令删除表格中的索引。 --用于 Microsoft SQLJet (以及 Microsoft Access) 的语法: DROP INDEX index_name ON table_name --用于 MS SQL Server 的语法: DROP INDEX table_name.index_name --用于 IBM DB2 和 Oracle 语法: ...
--SQL DROP INDEX 语句--我们可以使用 DROP INDEX 命令删除表格中的索引。--用于 Microsoft SQLJet (以及 Microsoft Access) 的语法:DROPINDEXindex_nameONtable_name--用于 MS SQL Server 的语法:DROPINDEXtable_name.index_name--用于 IBM DB2 和 Oracle 语法:DROPINDEXindex_name--用于 MySQL 的语法:ALTER...
Syntax: DROP INDEX [ CONCURRENTLY ] [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ] Drop Index in Oracle 11g In Oracle, DROP INDEX statement is used to remove an index or domain index from the database. Syntax: DROP INDEX [ schema. ] index [ FORCE ] ...
语法:删表DROPTABLE SyntaxDROP[TEMPORARY] TABLE [IF EXISTS] tbl_name [, tbl_name] ... [RESTRICT | CASCADE]可一次删除一张或多张表。需具有所删除表上的DROP权限。表定义文件和数据文件均被移除。表被删除后表上的用户权限不会被自己主动删除。參数里表中指定的表名不存在则报错,但对于存在的表仍会删...