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

´ÓORACLEµ½DB2µÄSQLÓï¾äÎÊÌâ

ÏÖÔÚÓÐÒ»ORACLEÖеÄSQLÓï¾ä£¬ÐèÒªÒÆÖ²µ½DB2ÖУ¬ÇëÎʸÃSQL¸ÄÈçºÎд


ORACLEÖУº

select floor(months_between(date1,date2)) from A  
date1,date2·Ö±ðΪ±íÖеÄÁ½¸ö×Ö¶Î £¬¶¼ÎªÈÕÆÚÐÍ 


DB2ÖÐÈçºÎʹÓÃдSQL£¬µÃ³öµÄ½á¹ûÓëÉÏÊöÓï¾äÒ»Ö¡£

Çë´óÏÀÃǽâ´ðһϣ¬Ð»Ð»
select floor((DAYS(date2)-DAYS(date1))/30) from A;

Õâ¸öÒªµ½db2µÄ°æ¿éÀï±È½ÏºÃÎÊÓ´¡£

SQL code:
select (year(date2)-year(date1))*12+month(date2)-month(date1) from A


ÒýÓÃ
SQL codeselect (year(date2)-year(date1))*12+month(date2)-month(date1)from A


ûÓп¼ÂÇfloorµÄÓ°Ï죬Õâ¸ö ÓеãÎÊÌâµÄ¡£
Èç¹ûǰÕßÈÕÆÚµÄÌìÊý²»µÈÓÚºóÕßÌìÊý£¬ÔÚORACLEÖÐ ¼ÆËãºó½á¹û»áÊÇСÊý£¬¶þ¾­¹ýfloor´¦Àíºó»áÔÚ½á¹ûºóÔÙ-1
¶þÔÙDB2ÀïÃæ ÒòΪ year(date2)-year(date1))*12+month(date2)-month(date1)ÔËËãµÄʼÖÕΪÕûÊý£¬½á¹û»áÓëORACLE²»Í¬

ÒýÓÃ
Õâ¸öÒªµ½db2µÄ°æ¿éÀï±È½ÏºÃÎÊÓ´¡£

ºÇºÇ£¬ÄÇÀïµÄÈËÆø±È½ÏµÍ£¬ºÇºÇ

ÒýÓÃ
select floor((DAYS(date2)-DAYS(date1))/30) from A;

лл»Ø´ð£¬ºÇºÇ
Õâ¸ö²»Ðеģ¬Ö»ÊǼÆËã³öÁËÌìÊý£¬

¶øÎÒÐèÒªµÄÊÇ ¼ÆËã³öÁ½¸öÈÕÆÚÖ®¼äµÄÔ·ÝÊý¡£²¢ÇÒÒªºÍORACLEÖеĽá¹û±£³ÖÒ»ÖÂ

ÒýÓÃ
ÒýÓà 1 Â¥ shiyiwan µÄ»Ø¸´:
select floor((DAYS(


Ïà¹ØÎÊ´ð£º

SQLÓï¾äÎÊÌ⣬¸ßÊÖ°ïæ£¡£¡

½«Ò»¸ö±í21~30ɾ³ý£¬sqlÓï¾äÔõôд
Õâ¸öÌ«ÁýͳÁË£¬ÊÇÅÅÐòºóµÄµÚ21Ìõµ½30Ìõ¼Ç¼ɾ³ý»¹ÊÇijһÁÐÖµÔÚ21µ½30Ö®¼äµÄɾ³ý°¡£¿

21-30ÊÇʲôÒâ˼£¿×ֶεϰ¾Ídelete from table1 where col1>=21 and col1<=30
Ö¸µ ......

SQLÓï¾äЧÂÊÎÊÌâ - ÆäËûÊý¾Ý¿â¿ª·¢ / ÆäËûÊý¾Ý¿â

´ó¼Ò°ïæ¿´¿´Õâ2¸ösqlÓï¾äÄĸö²éѯµÄËٶȸü¿ìµã¡£Ð»Ð»°ïæ¡£±È½Ï׿±¡£ÔÚ×öÐÔÄܲâÊÔ¡£
select * from
  ±íA LEFT OUTER JOIN ±íB ON (±íA.id || ' ' =±íB.id) ,±íC , ±íD, ±íE
WhereÆäËûÌõ¼þ
select * ......

sqlת»»ÎÊÌ⣬¼±£¡ - ÉçÇøÖ§³Ö / ¡¶³ÌÐòÔ±¡·ÔÓÖ¾

select convert(varchar(50),cast(convert(numeric(18,2),1275674000000/100000000)as real))+'ÒÚ'
select cast(convert(numeric(18,2),1275674000000/100000000)as real)
ΪʲôÉÏÒ»¸öÓÃvarcharת»»ºó¾ÍÖ»±£ÁôÁËÒ ......

Oracle¿Í»§¶Ë°²×°ºóODBCÎÞ·¨Ê¹ÓÃ

°²×°11gµÄ06,´ò²¹¶¡Éýµ½07£¬´ÓODBCÀïÃæ¿´£¬ÓÐ
Oracle in OraOdac11g_home1 11.01.00.07
´Ó×¢²á±í¿´HKEY_LOCAL_MACHINE\SOFTWARE\ODBC\ODBCINST.INI\ÏÂÃæµÄDriverºÍSetup¶¼ÊÇÎҵݲװ·¾¶
"D:\\app\\Ad ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ