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生成表说明的SQL话语

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生成表说明的SQL语句
SELECT 
表名       = CASE WHEN A.COLORDER=1 THEN D.NAME ELSE '' END,
表說明     = CASE WHEN A.COLORDER=1 THEN ISNULL(F.VALUE,'') ELSE '' END,
欄位序號   = A.COLORDER,
欄位名     = A.NAME,
標識       = CASE WHEN COLUMNPROPERTY( A.ID,A.NAME,'ISIDENTITY')=1 THEN '√'ELSE '' END,
主鍵       = 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,
類型       = B.NAME,
佔用位元組數 = A.LENGTH,
長度       = COLUMNPROPERTY(A.ID,A.NAME,'PRECISION'),
小數位數   = ISNULL(COLUMNPROPERTY(A.ID,A.NAME,'SCALE'),0),
允許空     = CASE WHEN A.ISNULLABLE=1 THEN '√'ELSE '' END,
預設值     = ISNULL(E.TEXT,''),
欄位說明   = 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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