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½ñÌ챨Á˸öÒì³£ java.sql.SQLException: ORA-00018: maximum number of sessions exceeded
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Ò»µÀoracle²éѯÎÊÌ⣿ - Oracle / ¸ß¼¶¼¼Êõ

id name kecheng fenshu
1 ÕÅÈý ÓïÎÄ 89
1 ÕÅÈý Êýѧ 90
1 ÕÅÈý Ó¢Óï 99
2 ÍõÎå ÓïÎÄ 80
2 ÍõÎå Êýѧ 99
2 ÍõÎå Ó¢Óï 88
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id name ÓïÎÄ Êýѧ Ó¢Óï
1 ÕÅÈý 89 90 99
2 ÍõÎå 80 99 88
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select distinct t.id,t.name,
(select distinct t1.fenshu from emp3 t1 where t1.i ......

Oracle´æ´¢¹ý³Ì Ôõô¸Ä£¿ - Oracle / ·Ç¼¼ÊõÇø

SQL code:

create or replace procedure tally_log_oper(updatetimes out number,inserttimes out number,deletetimes out number)
is
--½¨ÒéÔÚÉùÃ÷±äÁ¿µÄʱºòÓ¦³õʼ»¯±äÁ¿
v_na number:=0;
v_nb number:=0;
v_nc number:=0;
begin
select count(*) into v_na from log_file where operater='insert';
select c ......

Ò»¸ö¹ØÓÚoracleÊý¾Ý¿âµÄÎÊÌâ - Oracle / ¸ß¼¶¼¼Êõ

ÏÖÔÚµÄÇé¿öÊÇoracleÊý¾Ý¿âÀïÓÐÒ»¸ö±íA£¬ÀïÃæÓÐÒ»¸ö×Ö¶Î[status],ĬÈÏֵΪ0£¬µ±statuµÄÖµ±äΪ1ʱ£¬ÏëÔÚwebÓ¦ÓóÌÐòµÄÏÔÊ¾Ò³ÃæÉϸø³öÌáʾ¶Ô»°¿ò£¬ÇëÎÊÔõô²ÅÄÜʵÏÖ°¡£¿×îºÃдµÄÏêϸЩ£¬ÎÒÊÇÐÂÊÖ£¬Ð»Ð»ÁË¡£
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100 ·Ö jquery ajax Éú³É±í¸ñÎÊÌâ - Web ¿ª·¢ / Ajax

body Ò³Ãæ
HTML code:

<body>
<div class="container">

<s:iterator value="#session.listMenus">
<div class="menuTitle" menuId="<s:property value='menuId'/> " >
<s:property value="menuName" /&g ......

mssqlº¯Êý·­Òë - ÆäËûÊý¾Ý¿â¿ª·¢ / MySQL/Postgresql

¹òÇó½«ÒÔϺ¯Êý·­ÒëΪ mysql µÄÓï·¨
CREATE FUNCTION workdayadd( 
@date datetime, --»ù´¡ÈÕÆÚ 
@workday int --ÒªÔö¼ÓµÄ¹¤×÷ÈÕÊý 
)RETURNS datetime 
AS 
BEGIN 
DECLARE @bz int 
--Ôö¼ÓÕûÖܵÄÌìÊý 
SELECT @bz=CASE WHEN @workday<0 THEN -1 ELSE 1 END& ......
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