sql_map_config.xml(SQL Map»·¾³Îļþ)
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sqlMapConfig PUBLIC "-//iBATIS.com//DTD SQL Map Config 2.0//EN"
"http://www.ibatis.com/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
<!-- ÅäÖúÍÓÅ»¯SQL Map½âÎöʵÀýµÄÉ趨 -->
<settings cacheModelsEnabled="true" //SQL MapÔËÐÐʱʵÀýµÄ»º´æModelÊÇ·ñ¿ªÆô
enhancementEnabled="true" //È«¾ÖÐÔµÄÆôÓûò½ûÓÃ×Ö½ÚÂëÔöÇ¿£¬ÒÔÓÅ»¯·ÃÎÊPOJO±äÁ¿ÊôÐԵŦÄÜ
lazyLoadingEnabled="true" //³Ö¾Ã»¯Êý¾ÝÊÇ·ñÑÓ³Ù¼ÓÔØ
maxRequests="32" //ͬʱִÐÐsqlÓï¾äµÄ×î´óÐÐÊý
maxSessions="10" //ͬһʱ¼äÄڻµÄ×î´óSessionÊý¡£ËùνµÄSession¾ÍÊÇÒ»¸öÇëÇó»òÒ»¸öSQL MapÔËÐÐʱʵÀý×Ô¶¯»ñµÃµÄ»á»°
maxTransactions="5" //Öƶ¨ÁË×î´óÊÂÎñ´¦ÀíµÄÏß³ÌÊý
useStatementNamespaces="true" />//Öƶ¨ÁËÔÚSQL MapÓ³ÉäÎļþÖÐÊÇ·ñÓÃÈ«ÏÞ¶¨ÃûÀ´ÒýÓÃÓ³ÉäÉùÃ÷
<!-- ÅäÖÃÁ¬½Ó -->
<transactionManager type="JDBC" >
<dataSource type="SIMPLE">
<property name="JDBC.Driver" value="oracle.jdbc.OracleDriver"/>
<property name="JDBC.ConnectionURL"
value="jdbc:oracle:thin:@localhost:1521:orcl"/>
<property name="JDBC.Username" value="system"/>
<property name="JDBC.Password" value="abcd"/>
<!-- ×î´óÁ¬½ÓÊý -->
<property name="Pool.MaximumActiveConnections" value="10"/>
</dataSource>
</transactionManager>
<!-- SQL MapÓ³ÉäÎļþµÄÈ¡µÃ… -->
<sqlMap resource="fw_student_SqlMap.xml" />
</sqlMapConfig>
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Case¾ßÓÐÁ½ÖÖ¸ñʽ¡£¼òµ¥Caseº¯ÊýºÍCaseËÑË÷º¯Êý¡£
--¼òµ¥Caseº¯Êý
CASE sex
WHEN '1' THEN 'ÄÐ'
WHEN '2' THEN 'Å®'
ELSE 'ÆäËû' END
--CaseËÑË÷º¯Êý
CASE WHEN sex = '1' THEN 'ÄÐ'
WHEN sex = '2' THEN 'Å®'
ELSE 'ÆäËû' END
ÕâÁ½ÖÖ·½Ê½£¬¿ÉÒÔʵÏÖÏàͬµÄ¹¦ÄÜ¡£¼òµ¥Caseº¯ÊýµÄд·¨ ......
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¹¤×Ê5000ÒÔÉϵÄÖ°Ô±£¬¹¤×ʼõÉÙ10%
¹¤×ÊÔÚ2000µ½4600Ö®¼äµÄÖ°Ô±£¬¹¤×ÊÔö¼Ó15%
ºÜÈÝÒ׿¼ÂǵÄÊÇÑ¡ÔñÖ´ÐÐÁ½´ÎUPDATEÓï¾ä£¬ÈçÏÂËùʾ
--Ìõ¼þ1
UPDATE Personnel
SET salary = salary * 0.9
WHERE salary >= 5000;
--Ìõ¼þ2
UPDATE Personnel
SET sala ......
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BACKUP DATABASE mydb
TO DISK='c:\olddb.bak'
WITH INIT
--ΪÁ˲âÊÔ£¬°Ñ±¸·ÝºÃµÄÎļþ´ÓCÅÌÒƶ¯µ½D:\tempdb Îļþ¼Ð
--»¹Ô
--1.ÓôËÓï¾äµÃµ½±¸·ÝÎļþµÄÂß¼ÎļþÃû£º
RESTORE FILELISTONLY from DISK = N'd:\tempdb\olddb.bak' --±¸·ÝÎļþ´æ·Å·¾¶
--¿´LogicalName£¬Ò»°ã»áÓÐÁ½¸öÎļþ,È磺
--olddb &nbs ......
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