fw_student_SqlMap.xml(SQL ºÍVOµÄÓ³ÉäÎļþ)
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="fw_student">
<resultMap class="com.sias.Student" id="student">
<result column="name" property="name" jdbcType="VARCHAR2"/>
<result column="sex" property="sex" jdbcType="VARCHAR2"/>
</resultMap>
<select id="Select" resultMap="student">//±»SqlMapClientÀàµÄList queryForList(String)·½·¨µ÷ÓÃ
select name,sex from fw_student
</select>
<insert id="insert" parameterClass="com.sias.Student">//±»SqlMapClientÀàµÄ void insert(String,Object)·½·¨µ÷ÓÃ
insert into fw_student(name,sex) values(#name:VARCHAR2#,#sex:VARCHAR2#)
</insert>
<update id="update" parameterClass="java.util.Map">//±»SqlMapClientÀàµÄ void update(String,Map)·½·¨µ÷ÓÃ
update fw_student cm set name='chang'
<isPropertyAvailable property="n">//Èç¹ûMap.put(String,value)ÖдæÔÚ±äÁ¿n(String="n"),ÔòʹÓÃWhere name=n;
where name='$n$'
</isPropertyAvailable>
</update>
</sqlMap>
ÕâÀïÐèҪ˵Ã÷µÄÊÇ$ºÍ#·ûºÅµÄÓ÷¨£º
ÀýÈç±äÁ¿MÊÇ×Ö·û´®ÀàÐÍ,ÔòÓ¦¸ÃÓÃ'$M$'»òÕß#M#,Èç¹ûÊÇintÐÍ£¬ÔòÓÃ$M$»ò#M#
Ïà¹ØÎĵµ£º
×î½üÔÚÒ»¸öÏîÄ¿ÖÐÓöµ½ÐèÒªÔÚÊý¾Ý²ã¾ÍÆ´½Ó±íÖÐÒ»ÁÐÊý¾ÝµÄÎÊÌâ¡£
ÀýÈ磬test±íÖÐÓиö×Ö¶Ît,tÁÐÖеÄ4ÐÐÊý¾ÝΪ1,2,3,4 £¬ÒªÆ´½Ó³É1+2+3+4£¬×ÁÄ¥ÁËÒ»Õ󣬱¾À´ÏëÓÃÓα꣬µ«ÊÇЧÂÊ¡£¡£ºóÀ´ÕÒµ½Ò»¶ÎSQL£¬¿ÉÒԺܷ½±ãµØÆ´½Ó¡£
DECLARE @STR VARCHAR(8000) ----¶¨Òå²éѯ×Ö·û´®
SELECT @STR=ISNULL(@STR+'+','')+t from (SELECT DIST ......
ÔÚSQL Server Unicode×Ö·û´®³£Á¿ÐèҪǰ׺N
µ±ÔÚSQL
SERVERÀï±ß´¦Àí×Ö·û´®³£Á¿µÄʱºòÄã±ØÐëÔÚ³£Á¿Ö®Ç°·ÅÒ»¸ö´óдµÄN,¾ÍÏñSQL
SERVERÁ¬»úÎĵµ±êÌâΪ"²ÉÓÃUnicodeÊý¾Ý"Ëù˵Ã÷µÄÄÇÑù.Nǰ׺ÏóÕ÷×ÅÔÚSQL-92
±ê×¼µÄ¹ú¼ÒÓïÑÔ,²¢ÇÒ±ØÐëÊÇ´óд×Öĸ.Èç¹ûÄãÔ ......
/*
--2010-05-27(¶«Éý)
SQL SERVER 2008 ÐÂÊý¾Ý¿âÀàÐÍhierarchyid
SQL SERVER 2008ÒýÈëÁËеÄhierarchyidÊý¾ÝÀàÐÍ,¿ÉÒÔÓÃËüÀ´×ö±¾µØ´æ´¢²¢ÇÒÔÚÊ÷²ã´Î
½á¹¹ÖйÜÀíÆäλÖÃ.Ö»ÓÃÕâ¸öº¯ÊýÄܼò½àµØ±íʾ²ã´Î½á¹¹ÖеÄλÖÃ.¸Ãº¯ÊýÌṩµÄһЩ ......
1¡¢³£ÓÃÈÕÆÚ·½·¨(ÏÂÃæµÄGetDate() = '2006-11-08 13:37:56.233')
(1)DATENAME ( datepart ,date )
·µ»Ø±íʾָ¶¨ÈÕÆÚµÄÖ¸¶¨ÈÕÆÚ²¿·ÖµÄ×Ö·û´®¡£DatepartÏê¼ûÏÂÃæµÄÁбí.
SELECT DateName(day,Getdate()) –·µ»Ø8
(2)DATEPART ( datepart , date )
·µ»Ø±íʾָ¶¨ÈÕÆÚµÄÖ¸ ......