Drops an existing check constraint.

Available attributes

Name Description Required for Supports Since
catalogName Name of the catalog all 3.0
constraintName Name of check constraint to drop all all
schemaName Name of the schema all
tableName Name of the table to drop the check constraint from all all

XML example

<changeSet  author="liquibase-docs"  id="dropCheckConstraint-example">  
    <pro:dropCheckConstraint  catalogName="cat"  

YAML example

  id:  dropCheckConstraint-example  
  author:  liquibase-docs  
  -  dropCheckConstraint:  
      catalogName:  cat  
      constraintName:  const_name  
      schemaName:  public  
      tableName:  person

JSON example

{  "changeSet":  {  "id":  "dropCheckConstraint-example",  "author":  "liquibase-docs",  "changes":  [  {  "dropCheckConstraint":  {  "catalogName":  "cat",  "constraintName":  "const_name",  "schemaName":  "public",  "tableName":  "person"  }  }]  }  }

SQL example

ALTER  TABLE  cat.[public].person  DROP  CONSTRAINT  const_name;

Database support

Database Notes Auto rollback
DB2/LUW Supported No
DB2/z Supported No
Derby Not Supported No
Firebird Not Supported No
H2 Not Supported No
HyperSQL Not Supported No
INGRES Not Supported No
Informix Not Supported No
MariaDB Not Supported No
MySQL Not Supported No
Oracle Supported No
PostgreSQL Supported No
SQL Server Supported No
SQLite Not Supported No
Sybase Not Supported No
Sybase Anywhere Not Supported No