2銆佸浜嶶PDATE瀹為檯涓婃槸鍏圖ELETE鐒跺悗鍐岻NSERT鎵浠ュ鏋滄兂寰楀埌UPDATE鍓嶅悗鐨勬暟鎹鹼紝搴旇鍏堜粠DELETED鍙栧嚭錛岀劧鍚庝粠INSERTED鍙栧嚭錛?br />3銆両F UPDATE(鍒楀悕)鍙互鍒ゆ柇鏇存柊鎴栨彃鍏ュ摢涓涓瓧孌電殑鍊鹼紱
4銆丂@ROWCOUNT鍙互鍒ゆ柇涓婁竴琛屾煡璇㈡搷浣滃緱鍒扮殑鍒楁暟錛?br />5銆佺粰鍙橀噺璧嬪肩敤SET @ZQB = 13;
6銆佸療鐪嬫槸鍚︽湁絎﹀悎鏉′歡鐨勮褰旾F EXISTS (SELECT name FROM sysobjects WHERE name = 'reminder' AND type = 'TR');
7銆佸畾涔夋父鏍囷紝濡備笅錛?br />DECLARE c1 CURSOR FOR
SELECT emp_mgr.emp
FROM emp_mgr, inserted
WHERE emp_mgr.emp = inserted.mgr
OPEN c1
FETCH NEXT FROM c1 INTO @e--浠庢父鏍囦腑鍙栧嚭鏁版嵁
WHILE @@fetch_status = 0--鍒ゆ柇鏄惁鍒版渶鍚?br />BEGIN
UPDATE emp_mgr
SET emp_mgr.NoOfReports = emp_mgr.NoOfReports + 1 -- Add 1 for newly
WHERE emp_mgr.emp = @e -- added employee.
FETCH NEXT FROM c1 INTO @e
END
CLOSE c1
DEALLOCATE c1--鍒犻櫎娓告爣寮曠敤
]]>
SQL: select * into b from a where 1<>1
璇存槑錛氭嫹璐濊〃(鎷瘋礉鏁版嵁,婧愯〃鍚嶏細a 鐩爣琛ㄥ悕錛歜)
SQL: insert into b(a, b, c) select d,e,f from b;
璇存槑錛氭樉紺烘枃绔犮佹彁浜や漢鍜屾渶鍚庡洖澶嶆椂闂?BR>SQL: select a.title,a.username,b.adddate from table a,(select max(adddate) adddate from table where table.title=a.title) b
璇存槑錛氬榪炴帴鏌ヨ(琛ㄥ悕1錛歛 琛ㄥ悕2錛歜)
SQL: select a.a, a.b, a.c, b.c, b.d, b.f from a LEFT OUT JOIN b ON a.a = b.c
璇存槑錛氭棩紼嬪畨鎺掓彁鍓嶄簲鍒嗛挓鎻愰啋
SQL: select * from 鏃ョ▼瀹夋帓 where datediff('minute',f寮濮嬫椂闂?getdate())>5
璇存槑錛氫袱寮犲叧鑱旇〃錛屽垹闄や富琛ㄤ腑宸茬粡鍦ㄥ壇琛ㄤ腑娌℃湁鐨勪俊鎭?BR>SQL:
delete from info where not exists ( select * from infobz where info.infid=infobz.infid )
璇存槑錛?-
SQL:
SELECT A.NUM, A.NAME, B.UPD_DATE, B.PREV_UPD_DATE
FROM TABLE1,
(SELECT X.NUM, X.UPD_DATE, Y.UPD_DATE PREV_UPD_DATE
FROM (SELECT NUM, UPD_DATE, INBOUND_QTY, STOCK_ONHAND
FROM TABLE2
WHERE TO_CHAR(UPD_DATE,'YYYY/MM') = TO_CHAR(SYSDATE, 'YYYY/MM')) X,
(SELECT NUM, UPD_DATE, STOCK_ONHAND
FROM TABLE2
WHERE TO_CHAR(UPD_DATE,'YYYY/MM') =
TO_CHAR(TO_DATE(TO_CHAR(SYSDATE, 'YYYY/MM') 婁婁 '/01','YYYY/MM/DD') - 1, 'YYYY/MM') ) Y,
WHERE X.NUM = Y.NUM 錛?錛?BR> AND X.INBOUND_QTY + NVL(Y.STOCK_ONHAND,0) <> X.STOCK_ONHAND ) B
WHERE A.NUM = B.NUM
璇存槑錛?-
SQL:
select * from studentinfo where not exists(select * from student where studentinfo.id=student.id) and 緋誨悕縐?'"&strdepartmentname&"' and 涓撲笟鍚嶇О='"&strprofessionname&"' order by 鎬у埆,鐢熸簮鍦?楂樿冩繪垚緇?BR>璇存槑錛?BR>浠庢暟鎹簱涓幓涓騫寸殑鍚勫崟浣嶇數璇濊垂緇熻(鐢佃瘽璐瑰畾棰濊春鐢靛寲鑲ユ竻鍗曚袱涓〃鏉ユ簮錛?BR>SQL:
SELECT a.userper, a.tel, a.standfee, TO_CHAR(a.telfeedate, 'yyyy') AS telyear,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '01', a.factration)) AS JAN,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '02', a.factration)) AS FRI,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '03', a.factration)) AS MAR,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '04', a.factration)) AS APR,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '05', a.factration)) AS MAY,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '06', a.factration)) AS JUE,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '07', a.factration)) AS JUL,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '08', a.factration)) AS AGU,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '09', a.factration)) AS SEP,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '10', a.factration)) AS OCT,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '11', a.factration)) AS NOV,
SUM(decode(TO_CHAR(a.telfeedate, 'mm'), '12', a.factration)) AS DEC
FROM (SELECT a.userper, a.tel, a.standfee, b.telfeedate, b.factration
FROM TELFEESTAND a, TELFEE b
WHERE a.tel = b.telfax) a
GROUP BY a.userper, a.tel, a.standfee, TO_CHAR(a.telfeedate, 'yyyy')
璇存槑錛氬洓琛ㄨ仈鏌ラ棶棰橈細
SQL: select * from a left inner join b on a.a=b.b right inner join c on a.a=c.c inner join d on a.a=d.d where .....
璇存槑錛氬緱鍒拌〃涓渶灝忕殑鏈嬌鐢ㄧ殑ID鍙?BR>SQL:
SELECT (CASE WHEN EXISTS(SELECT * FROM Handle b WHERE b.HandleID = 1) THEN MIN(HandleID) + 1 ELSE 1 END) as HandleID
FROM Handle
WHERE NOT HandleID IN (SELECT a.HandleID - 1 FROM Handle a)
]]>