Knut Anders Hatlen created DERBY-6644:
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Summary: Support standard syntax for altering column nullability
Key: DERBY-6644
URL: https://issues.apache.org/jira/browse/DERBY-6644
Project: Derby
Issue Type: Improvement
Components: SQL
Affects Versions: 10.11.0.0
Reporter: Knut Anders Hatlen
Assignee: Knut Anders Hatlen
Priority: Minor
Derby supports altering the nullability of a column via an ALTER TABLE
statement, but the supported syntax is different from what the SQL:2011
standard defines. We should add support for the standard syntax as well.
The standard syntax is
ALTER TABLE t ALTER COLUMN c SET NOT NULL
ALTER TABLE t ALTER COLUMN c DROP NOT NULL
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