SQL Server2000 ½âÎöXML
DECLARE @HDOC INT --Îĵµ¾ä±ú
DECLARE @XMLSTRING VARCHAR(200) --XML×Ö·û´®
SET @xmlString ='<?xml version="1.0"?>
<ROOT>
<USER ID="1" Name="SBQCEL"/>
<USER ID="2" Name="PEACELI"/>
<USER ID="3" Name="SHEEPCHANG"/>
</ROOT>'
--ʹÓÃϵͳ´æ´¢¹ý³ÌSP_XML_PREPAREDOCUMENT·ÖÎöXML×Ö·û´®
EXEC SP_XML_PREPAREDOCUMENT @HDOC OUTPUT, @xmlString
--ʹÓÃOPENXML´ÓSQL Server µÄÄÚ²¿»º´æ²éѯÊý¾Ý
SELECT * from OPENXML(@HDOC,N'/ROOT/USER')
WITH
(
ID INT,
Name VARCHAR(10)
)
--ʹÓÃϵͳ´æ´¢¹ý³ÌSP_XML_REMOVEDOCUMENTÊÍ·ÅÄÚ´æ
EXEC SP_XML_REMOVEDOCUMENT @HDOC
Ïà¹ØÎĵµ£º
Oracle
SQL
Loader
µÄÏêϸÓï·¨
Oracle
SQL
Loader
µÄÏêϸÓï·¨
SQL
*LOADER
ÊÇ
ORACLE
µÄÊý¾Ý¼ÓÔØ¹¤¾ß£¬Í¨³£ÓÃÀ´½«²Ù×÷ϵͳÎļþÇ¨ÒÆµ½
ORACLE
Êý¾Ý¿âÖС£
SQL
*LOADER
ÊÇ´óÐÍÊý¾Ý
²Ö¿âÑ¡ÔñʹÓõļÓÔØ·½·¨£¬ÒòΪËüÌṩÁË×î¿ì ......
¸½:Oracle SQL Developer — À©Õ¹½»Á÷ÖÐÐÄ
http://www.oracle.com/technology/global/cn/products/database/sql_developer/files/extensions.htm
֮ǰ×÷Ϊһ¸öOracle Employee£¬È´×ÜÊÇÔÚʹÓÃPL/SQL Developer£¨¶øÇÒÊÇÆÆ½â°æ£©£¬ÕâʵÔÚÓÐЩ˵²»¹ýÈ¥£¬µ«ÊÇÈçºÎÕÒµ½Ò»¸öºÏÐijÃÊÖµÄÄܹ»Ô ......
¶ÔInºÍexistsµÄÐÔÄܽøÐбȽϣ¬Ê×ÏÈÒªÖªµÀËüÃÇÁ½ÕßµÄÇø±ð¡£
in: È·¶¨¸ø¶¨µÄÖµÊÇ·ñÓë×Ó²éѯÖеÄÖµ»òÁбíÖеÄÖµÏàÆ¥Åä¡£
exists: Ö¸¶¨Ò»¸ö×Ó²éѯ£¬¼ì²âÐÐÊÇ·ñ´æÔÚ¡£
¿É·ÖÎöËüÃǵIJéѯÓï¾äÀ´µÃ³öÕæÊµµÄ²î±ð:
in
±ÈÈçSelect * from t1 where x in ( select y from t2 )
Ö´ÐеĹý³ÌÏ൱ÓÚ:
select *
from t1, ( ......
Ëæ×ÅB/SģʽӦÓÿª·¢µÄ·¢Õ¹£¬Ê¹ÓÃÕâÖÖģʽ±àдӦÓóÌÐòµÄ³ÌÐòÔ±Ò²Ô½À´Ô½¶à¡£µ«ÊÇÓÉÓÚÕâ¸öÐÐÒµµÄÈëÃÅÃż÷²»¸ß£¬³ÌÐòÔ±µÄˮƽ¼°¾ÑéÒ²²Î²î²»Æë£¬Ï൱´óÒ»²¿·Ö³ÌÐòÔ±ÔÚ±àд´úÂëµÄʱºò£¬Ã»ÓжÔÓû§ÊäÈëÊý¾ÝµÄºÏ·¨ÐÔ½øÐÐÅжϣ¬Ê¹Ó¦ÓóÌÐò´æÔÚ°²È«Òþ»¼¡£Óû§¿ÉÒÔÌá½»Ò»¶ÎÊý¾Ý¿â²éѯ´úÂ룬¸ù¾Ý³ÌÐò·µ»ØµÄ½á¹û£¬»ñµÃijЩËûÏëµÃÖªµÄÊ ......
1 TOP
ÕâÊÇÒ»¸ö´ó¼Ò¾³£Îʵ½µÄÎÊÌ⣬ÀýÈçÔÚSQLSERVERÖпÉÒÔʹÓÃÈçÏÂÓï¾äÀ´È¡µÃ¼Ç¼¼¯ÖеÄǰʮÌõ¼Ç¼£º
SELECT TOP 10 * from [index] ORDER BY indexid DESC;
µ«ÊÇÕâÌõSQLÓï¾äÔÚSQLiteÖÐÊÇÎÞ·¨Ö´Ðеģ¬Ó¦¸Ã¸ÄΪ£º
SELECT * from [index] ORDER BY indexid DESC limit 0,10;
ÆäÖÐlimit 0,10±íʾ´ÓµÚ0Ìõ¼Ç¼¿ªÊ¼£¬Íùºó ......