ALTER INDEX

Purpose

Rebuilds an existing index file for the specified table

Syntax

ALTER INDEX <index> ON <table> REBUILD [SHARED | EXCLUSIVE]

See Also

ALTER TABLE, CREATE INDEX, CREATE TABLE, DROP INDEX, SET TCACHE

Description

The ALTER INDEX command is used to rebuild an existing index file for the specified table. The table must be able to be locked for exclusive use during the operation.

Keywords	Description
index	This is the name of the index being rebuilt.
table	This is the name of the table for which the index will be rebuilt on.
REBUILD	Create the index anew using the existing index
SHARED	Allows read-only transactions on the table while the index is being rebuilt.
EXCLUSIVE	Prevents any transactions on the table while the index is being rebuilt.

Example

// Rebuild the index staff_no index on staff table
EXEC SQL
ALTER INDEX staff_no
  ON staff
  REBUILD
  SHARED;

Products

Recital Server, Recital