Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

hibernate sql ²Ù×÷

@SuppressWarnings("unchecked")
    public List<ZxFunction> selectFunctionParentByUserId(final int userId) {
        try {
            final String sql = "select *  from zx_function where f_id in ( select distinct f.f_parent_id from zx_function f,zx_permission p where p.f_id = f.f_id and p.u_id = ?)";
            return (List<ZxFunction>) getHibernateTemplate().execute(new HibernateCallback(){
                public Object doInHibernate(Session session)
                    throws HibernateException, SQLException {
                SQLQuery query = session.createSQLQuery(sql).addEntity(ZxFunction.class);
                query.setInteger(0, 1);
                return query.list();
            }});
        } catch (Exception e) {
            CommonsLog4jUtil.printToConsole(e);
            CommonsLog4jUtil.error("FunctionDaoImpl public List<UserFunction> selectFunctionParentByUserId() Error:", e);
            return null;
        }
    }
@SuppressWarnings("unchecked")
    public List<UserFunction> selectFunction(final int userId) {
        try {
            final String sql = "select f.f_id as FId,&q


Ïà¹ØÎĵµ£º

sqlÁÐÏà¼ÓºÏ²¢ ÐÄÓêÖ®¼Ò

--1. ´´½¨±í£¬Ìí¼Ó²âÊÔÊý¾Ý
CREATE TABLE tb(id int, [value] varchar(10))
INSERT tb SELECT 1, 'aa'
UNION ALL SELECT 1, 'bb'
UNION ALL SELECT 2, 'aaa'
UNION ALL SELECT 2, 'bbb'
UNION ALL SELECT 2, 'ccc'
--SELECT * from tb
/**//*
id value
----------- ----------
1 aa
1 ......

SqlÊý¾ÝÓÅ»¯·½°¸

1¡¢Ê¹ÓÃË÷ÒýÀ´¸ü¿ìµØ±éÀú±í¡£
ȱʡÇé¿öϽ¨Á¢µÄË÷ÒýÊÇ·ÇȺ¼¯Ë÷Òý£¬µ«ÓÐʱËü²¢²»ÊÇ×î¼ÑµÄ¡£ÔÚ·ÇȺ¼¯Ë÷ÒýÏ£¬Êý¾ÝÔÚÎïÀíÉÏËæ»ú´æ·ÅÔÚÊý¾ÝÒ³ÉÏ¡£ºÏÀíµÄË÷ÒýÉè¼ÆÒª½¨Á¢ÔÚ¶Ô¸÷ÖÖ²éѯµÄ·ÖÎöºÍÔ¤²âÉÏ¡£
Ò»°ãÀ´Ëµ£º
a.ÓдóÁ¿Öظ´Öµ¡¢ÇÒ¾­³£Óз¶Î§²éѯ£¨ > ,< £¬> =,< =£©ºÍorder by¡¢group by·¢ÉúµÄÁУ¬¿É¿¼
Âǽ ......

SQLÓï¾ä¸´ÖƱíµÄ·½·¨


SQLÓï¾ä¸´ÖƱíµÄ·½·¨
(2009-08-29 13:41:54)
±êÇ©£º
sql
·ÖÀࣺ¼ÆËã»ú֪ʶ
Èç¹ûÄ¿µÄ±íÒѾ­´æÔÚ:
insert into DATAHR.DBO.GBITEM
select * from DEMO.DBO.GBITEM
Èç¹ûÄ¿µÄ±í²»´æÔÚ:
select * into DATAHR.DBO.GBITEM
from DEMO.DBO.GBITEM
¿ç¿âµ¼Èë
select * into [zk_news].[dbo].[News1] from [zk_media].[ ......

SQL distinctÓ÷¨¡¡¼òµ¥group by ÃüÁî


distinctÕâ¸ö¹Ø¼ü×ÖÓÃÀ´¹ýÂ˵ô¶àÓàµÄÖØ¸´¼Ç¼ֻ±£ÁôÒ»Ìõ£¬µ«ÍùÍùÖ»ÓÃËüÀ´·µ»Ø²»Öظ´¼Ç¼µÄÌõÊý£¬¶ø²»ÊÇÓÃËüÀ´·µ»Ø²»ÖؼǼµÄËùÓÐÖµ¡£ÆäÔ­ÒòÊÇdistinctÖ»ÓÐÓöþÖØÑ­»·²éѯÀ´½â¾ö£¬¶øÕâÑù¶ÔÓÚÒ»¸öÊý¾ÝÁ¿·Ç³£´óµÄÕ¾À´Ëµ£¬ÎÞÒÉÊÇ»áÖ±½ÓÓ°Ï쵽ЧÂʵġ£
ÏÂÃæÏÈÀ´¿´¿´Àý×Ó£º
table±í
×Ö¶Î1      ×Ö¶ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ