数据库字典查询

SELECT 表名 = CASE WHEN a.colorder = 1 THEN d.name 2 ELSE ‘‘ 3 END , 4 表说明 = CASE WHEN a.colorder = 1 THEN ISNULL(f.value, ‘‘) 5 ELSE ‘‘ 6 END , 7 字段序号 = a.colorder , 8 字段名 = a.name , 9 标识 = CASE WHEN COLUMNPROPERTY(a.id, a.name, ‘IsIdentity‘) = 1 THEN ‘√‘ 10 ELSE ‘‘ 11 END , 12 主键 = CASE WHEN EXISTS ( SELECT 1 13 FROM sysobjects 14 WHERE xtype = ‘PK‘ 15 AND name IN ( 16 SELECT name 17 FROM sysindexes 18 WHERE indid IN ( 19 SELECT indid 20 FROM sysindexkeys 21 WHERE id = a.id 22 AND colid = a.colid ) ) ) 23 THEN ‘√‘ 24 ELSE ‘‘ 25 END , 26 类型 = b.name , 27 占用字节数 = a.length , 28 长度 = COLUMNPROPERTY(a.id, a.name, ‘PRECISION‘) , 29 小数位数 = ISNULL(COLUMNPROPERTY(a.id, a.name, ‘Scale‘), 0) , 30 允许空 = CASE WHEN a.isnullable = 1 THEN ‘√‘ 31 ELSE ‘‘ 32 END , 33 默认值 = ISNULL(e.text, ‘‘) , 34 字段说明 = ISNULL(g.[value], ‘‘) 35 FROM syscolumns a 36 LEFT JOIN systypes b ON a.xtype = b.xusertype 37 INNER JOIN sysobjects d ON a.id = d.id 38 AND d.xtype = ‘U‘ 39 AND d.name <> ‘dtproperties‘ 40 LEFT JOIN syscomments e ON a.cdefault = e.id 41 LEFT JOIN sys.extended_properties g ON a.id = g.major_id 42 AND a.colid = g.minor_id 43 LEFT JOIN sys.extended_properties f ON d.id = f.major_id 44 AND f.minor_id = 0 45 46 --where d.name=‘要查询的表‘ --如果只查询指定表,加上此条件 47 ORDER BY a.id , 48 a.colorder

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数据库字典查询

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