[筆記]如何列出DB中所有的Index?
可以透過下列方法列出DB中所有的Index:
REPLICATE(' ',4000) AS COLNAMES ,
OBJECT_NAME(I.ID) AS TABLENAME,
I.ID AS TABLEID,
I.INDID AS INDEXID,
I.NAME AS INDEXNAME,
I.STATUS,
INDEXPROPERTY (I.ID,I.NAME,'ISUNIQUE') AS ISUNIQUE,
INDEXPROPERTY (I.ID,I.NAME,'ISCLUSTERED') AS ISCLUSTERED,
INDEXPROPERTY (I.ID,I.NAME,'INDEXFILLFACTOR') AS INDEXFILLFACTOR
INTO #TMP
FROM SYSINDEXES I
WHERE I.INDID > 0
AND I.INDID < 255
AND (I.STATUS & 64)=0
--uncomment below to eliminate PK or UNIQUE indexes;
--what i call 'normal' indexes
--AND INDEXPROPERTY (I.ID,I.NAME,'ISUNIQUE') =0
--AND INDEXPROPERTY (I.ID,I.NAME,'ISCLUSTERED') =0
DECLARE
@ISQL VARCHAR(4000),
@TABLEID INT,
@INDEXID INT,
@MAXTABLELENGTH INT,
@MAXINDEXLENGTH INT
--USED FOR FORMATTING ONLY
SELECT @MAXTABLELENGTH=MAX(LEN(TABLENAME)) FROM #TMP
SELECT @MAXINDEXLENGTH=MAX(LEN(INDEXNAME)) FROM #TMP
DECLARE C1 CURSOR FOR
SELECT TABLEID,INDEXID FROM #TMP
OPEN C1
FETCH NEXT FROM C1 INTO @TABLEID,@INDEXID
WHILE @@FETCH_STATUS <> -1
BEGIN
SET @ISQL = ''
SELECT @ISQL=@ISQL + ISNULL(SYSCOLUMNS.NAME,'') + ',' FROM SYSINDEXES I
INNER JOIN SYSINDEXKEYS ON I.ID=SYSINDEXKEYS.ID AND I.INDID=SYSINDEXKEYS.INDID
INNER JOIN SYSCOLUMNS ON SYSINDEXKEYS.ID=SYSCOLUMNS.ID AND SYSINDEXKEYS.COLID=SYSCOLUMNS.COLID
WHERE I.INDID > 0
AND I.INDID < 255
AND (I.STATUS & 64)=0
AND I.ID=@TABLEID AND I.INDID=@INDEXID
ORDER BY SYSCOLUMNS.COLID
UPDATE #TMP SET COLNAMES=@ISQL WHERE TABLEID=@TABLEID AND INDEXID=@INDEXID
FETCH NEXT FROM C1 INTO @TABLEID,@INDEXID
END
CLOSE C1
DEALLOCATE C1
--AT THIS POINT, THE 'COLNAMES' COLUMN HAS A TRAILING COMMA
UPDATE #TMP SET COLNAMES=LEFT(COLNAMES,LEN(COLNAMES) -1)
SELECT 'CREATE '
+ CASE WHEN ISUNIQUE = 1 THEN ' UNIQUE ' ELSE ' ' END
+ CASE WHEN ISCLUSTERED = 1 THEN ' CLUSTERED ' ELSE ' ' END
+ ' INDEX [' + UPPER(INDEXNAME) + ']'
+ SPACE(@MAXINDEXLENGTH - LEN(INDEXNAME))
+' ON [' + UPPER(TABLENAME) + '] '
+ SPACE(@MAXTABLELENGTH - LEN(TABLENAME))
+ '(' + UPPER(COLNAMES) + ')'
+ CASE WHEN INDEXFILLFACTOR = 0 THEN '' ELSE ' WITH FILLFACTOR = ' + CONVERT(VARCHAR(10),INDEXFILLFACTOR) END --AS SQL
FROM #TMP
--SELECT * FROM #TMP
DROP TABLE #TMP
顯示結果:
參考來源:
http://www.sqlservercentral.com/scripts/Index+Management/31652/
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