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获取表的primarykey

时间：2021-07-01 10:21:17 帮助过：41人阅读

获取SQL Server表的primary key 无 SELECT cu.Column_NameFROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS t LEFT JOIN INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE cu ON t.CONSTRAINT_NAME = cu.CONSTRAINT_NAME AND cu.TABLE_NAME = t.TABLE_NAMELEFT JOIN IN

获取SQL Server表的primary key <无> 
SELECT cu.Column_Name
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS t 
	LEFT JOIN INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE cu ON t.CONSTRAINT_NAME = cu.CONSTRAINT_NAME AND cu.TABLE_NAME = t.TABLE_NAME
	LEFT JOIN INFORMATION_SCHEMA.COLUMNS c ON c.COLUMN_NAME = cu.COLUMN_NAME AND c.TABLE_NAME = cu.TABLE_NAME
WHERE Constraint_Type = 'PRIMARY KEY ' AND cu.Table_Name = ''
ORDER BY c.ORDINAL_POSITION

                        
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