导出SQLSERVER表及字段说明.
SELECT 表名 = CASE WHEN A.COLORDER=1 THEN D.NAME ELSE ' ' END, 表说明 = CASE WHEN A.COLORDER=1 THEN ISNULL(F.VALUE, ' ') ELSE ' ' END, 列位序号 = A.COLORDER, 列名 = A.NAME, 标识 = CASE WHEN COLUMNPROPERTY( A.ID,A.NAME, 'ISIDENTITY ')=1 THEN '√ 'ELSE ' ' END, 主键 = CASE WHEN EXISTS(SELECT 1 FROM SYSOBJECTS WHERE XTYPE= 'PK ' AND PARENT_OBJ=A.ID AND NAME IN ( SELECT NAME FROM SYSINDEXES WHERE INDID IN( SELECT INDID FROM SYSINDEXKEYS WHERE ID = A.ID AND COLID=A.COLID))) THEN '√ ' ELSE ' ' END, 类型 = B.NAME, 佔用位元組數 = A.LENGTH, 长度 = COLUMNPROPERTY(A.ID,A.NAME, 'PRECISION '), 小数位数 = ISNULL(COLUMNPROPERTY(A.ID,A.NAME, 'SCALE '),0), 允许空 = CASE WHEN A.ISNULLABLE=1 THEN '√ 'ELSE ' ' END, 预设值 = ISNULL(E.TEXT, ' '), 列说明 = ISNULL(G.[VALUE], ' ') FROM SYSCOLUMNS A LEFT JOIN SYSTYPES B ON A.XUSERTYPE=B.XUSERTYPE INNER JOIN SYSOBJECTS D ON A.ID=D.ID AND D.XTYPE= 'U ' AND D.NAME <> 'DTPROPERTIES ' LEFT JOIN SYSCOMMENTS E ON A.CDEFAULT=E.ID LEFT JOIN sys.extended_properties G ON A.ID=G.major_id AND A.COLID=G.minor_id LEFT JOIN sys.extended_properties F ON D.ID=F.major_id AND F.minor_id=0 ORDER BY A.ID,A.COLORDER
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