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SQL -> Check Column Exists In Table, If Not, Add

DZone's Guide to

SQL -> Check Column Exists In Table, If Not, Add

· Database Zone
Free Resource

Learn how to create flexible schemas in a relational database using SQL for JSON.


IF NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = ‘TEST’ AND COLUMN_NAME = ‘TEST_DATE’)
BEGIN
   ALTER TABLE TEST ADD TEST_DATE DATETIME
END


Create flexible schemas using dynamic columns for semi-structured data. Learn how.

Topics:
database ,sql

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