NAME

DROP RULE - 刪除一個重寫規則

SYNOPSIS

DROP RULE name ON relation [ CASCADE | RESTRICT ]

DESCRIPTION 描述

DROP RULE 刪除一個規則。  

PARAMETERS 參數

name

 要刪除的現存的規則。

relation

 該規則應用的關系名字（可以有模式修飾）。

CASCADE

 自動刪除依賴于此規則的對象。

RESTRICT

 如果有任何依賴對象，則拒絕刪除此規則。這個是缺省。

EXAMPLES 例子

 刪除重寫規則 newrule：

DROP RULE newrule ON mytable;

COMPATIBILITY 兼容性

 在 SQL 標準中沒有DROP RULE。  

SEE ALSO 參見

CREATE RULE [create_rule(7)]

#p#

NAME

DROP RULE - remove a rewrite rule

SYNOPSIS

DROP RULE name ON relation [ CASCADE | RESTRICT ]

DESCRIPTION

DROP RULE drops a rewrite rule.  

PARAMETERS

name

The name of the rule to drop.

relation

The name (optionally schema-qualified) of the table or view that the rule applies to.

CASCADE

Automatically drop objects that depend on the rule.

RESTRICT

Refuse to drop the rule if any objects depend on it. This is the default.

EXAMPLES

To drop the rewrite rule newrule:

DROP RULE newrule ON mytable;

COMPATIBILITY

There is no DROP RULE statement in the SQL standard.  

SEE ALSO

CREATE RULE [create_rule(7)]