Oracle SQL: the Essential Reference

DISASSOCIATE STATISTICS

DISASSOCIATE STATISTICS FROM {COLUMNS [schema.]table.column[, [schema.]table.column ...] | FUNCTIONS [schema.]function[,[schema.]function ...] | PACKAGES [schema.]package[,[schema.]package ...] | INDEXES [schema.]index[,[schema.]index ...] }

Disassociates a method of statistics computation from database objects.

Keywords

COLUMNS

Specifies that a list of one or more columns be provided.

schema

The schema containing the specified table.

table

The name of the table containing the specified column.

column

The column name for which an association is defined.

FUNCTIONS

Specifies that one or more functions will be disassociated.

PACKAGES

Specifies that one or more packages will be disassociated.

INDEXES

Specifies that one or more indexes will be disassociated.

Example

Remove a statistics association from function emp_sal:

DISASSOCIATE STATISTICS FROM FUNCTIONS emp_sal;