markdown/reference/sql/DROP-CONVERSION.html.md.erb (27 lines of code) (raw):

--- title: DROP CONVERSION --- <!-- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. --> Removes a CONVERSION. ## <a id="topic1__section2"></a>Synopsis ``` pre DROP CONVERSION [IF EXISTS] <name> [CASCADE | RESTRICT] ``` ## <a id="topic1__section3"></a>Description `DROP CONVERSION` removes a previously defined conversion. To be able to drop a conversion, you must own the conversion. ## <a id="topic1__section4"></a>Parameters <dt>IF EXISTS </dt> <dd>Do not throw an error if the conversion does not exist. A notice is issued in this case.</dd> <dt>\<name\> </dt> <dd>The name of the conversion. The conversion name may be schema-qualified.</dd> <dt>CASCADE</dt> <dt>RESTRICT</dt> <dd>These keywords have no effect since there are no dependencies on conversions.</dd> ## <a id="topic1__section5"></a>Examples Drop the conversion named `myname`: ``` pre DROP CONVERSION myname; ``` ## <a id="topic1__section6"></a>Compatibility There is no `DROP CONVERSION` statement in the SQL standard. ## <a id="topic1__section7"></a>See Also [CREATE CONVERSION](CREATE-CONVERSION.html), [ALTER CONVERSION](ALTER-CONVERSION.html)