Translations of this page?:

Drop Not-Null Constraint

Makes a column nullable.

Sample

<dropNotNullConstraint tableName="employee" columnName="employer_id"/>

Available Attributes

tableName Name of the table containing that the column to drop the constraint from [required]
schemaName Name of the table schema
columnName Name of the column to drop the constraint from [required]
columnDataType Current data type of the column [required for MySQL & MS-SQL]

Database Compatiblity

MySQL No Issues
PostgreSQL No Issues
Oracle No Issues
MS-SQL No Issues
Sybase No Issues
DB2 No Issues
Derby No Issues
HSQL No Issues
H2 No Issues
Caché No Issues
Firebird Not Supported
MaxDB No Issues

Automatic Rollback Support: YES

 
manual/remove_not-null_constraint.txt · Last modified: 2008/03/18 07:08 (external edit)     Back to top