sql check if column exists

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Elias
25 Jun 2019
1IF COL_LENGTH('<table_name>', '<column_name>') IS NULL
2BEGIN
3	--column doesnot exists, so, add column here
4	ALTER TABLE <table_name> ADD <column_name> BIT NOT NULL DEFAULT(0)
5END
Roman
10 Apr 2017
1* Using the below query, You can check whether the table1 has a column named "id"
2
3SHOW COLUMNS FROM table1 LIKE 'id'
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