sql server 數據庫查詢表字段名稱、長度、類型、備注說明等屬性

SELECT b.name 列名, c.name 數據類型,b.max_length 長度,
CASE b.is_nullable
WHEN 0 THEN '否'
WHEN 1 THEN '是'
end
是否為空
,d.value AS 備注 FROM sys.tables a
INNER JOIN sys.columns b ON a.object_id=b.object_id
LEFT JOIN sys.types c ON b.system_type_id=c.system_type_id
LEFT JOIN sys.extended_properties d ON a.object_id=d.major_id AND b.column_id=d.minor_id
WHERE a.name='表名稱'
ORDER BY b.column_id