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

sqlÓÅ»¯ ¶Ôlike ¡®%xx%¡¯ µÄÌæ»»

ÔÚSQLÖпÉÒÔʹÓÃLike½øÐÐÄ£ºý²éѯ£¬ÀýÈç f_stuname like 'a%' ²éѯf_stunameÁÐÒÔa¿ªÍ·µÄ¼Ç¼¡£
µ±ÎÒÃÇÔÚÓ¦ÓÃÖÐʹÓÃ
f_stuname
like '%a%' ʱ£¬Èç¹û

f_stunameÓÐË÷ÒýµÄ»°£¬Õâ¸öË÷ÒýÒ²ÊDz»Ö´ÐеÄ
ÔÚSQLÓÅ»¯ÖÐÕâ¸öд·¨¾ÍÊÇÒ»¸ö²»ºÃµÄSQLÁË¡£
ÄÇôÈçºÎÀ´Ìæ»»Õâ¸öÄØ£¬ÕâÒ»¸ö¾ÍÓõ½ÁËOracleµÄinstrº¯ÊýÁË
ÎÒÃÇ¿ÉÒÔÕâÑù×ö£¬°Ñ
SELECT t.* from tableName t WHERE t.f_srcname LIKE '%ͨ¹ý%'; £¨Ö´ÐÐʱ¼ä£º0.063s£©
Ìæ»»
SELECT a.* from
tableName
a WHERE instr(a.f_srcname,'ͨ¹ý') > 0; (Ö´ÐÐʱ¼ä£º0.031)


Ïà¹ØÎĵµ£º

PL/SQL ÖÐÎÄÂÒÂë½â¾ö·½°¸

1. ʹÓõÄÊÇ·þÎñÆ÷Éϵ쬲»ÊDZ¾»úµÄOracle£¬°´ÏÂÃæ×ö¾Í¿ÉÒÔÁË£º
    ÉèÖû·¾³±äÁ¿:NLS_LANG£¬¾ßÌåÖµÓÃÏÂÃæ²éѯµÄÖµ:
SELECT 'AMERICAN_AMERICA.' || PROPERTY_VALUE
from DATABASE_PROPERTIES
WHERE PROPERTY_NAME = 'NLS_CHARACTERSET';
2. Èç¹ûÊDZ¾»úµÄOracle¾ÍÐèÒªÔÚOracleµÄ°²×°Ä¿Â¼ÏÂÃæ¸ÄÉèÖãº
......

sql·ÖÒ³£¨×ª£©

½¨Á¢Ò»¸ö Web Ó¦Ó㬷ÖÒ³ä¯ÀÀ¹¦Äܱز»¿ÉÉÙ¡£Õâ¸öÎÊÌâÊÇÊý¾Ý¿â´¦ÀíÖÐÊ®·Ö³£¼ûµÄÎÊÌâ¡£¾­µäµÄÊý¾Ý·ÖÒ³·½·¨ÊÇ:ADO ¼Í¼¼¯·ÖÒ³·¨£¬Ò²¾ÍÊÇÀûÓÃADO×Ô´øµÄ·ÖÒ³¹¦ÄÜ£¨ÀûÓÃÓα꣩À´ÊµÏÖ·ÖÒ³¡£µ«ÕâÖÖ·ÖÒ³·½·¨½öÊÊÓÃÓÚ½ÏСÊý¾ÝÁ¿µÄÇéÐΣ¬ÒòΪÓα걾ÉíÓÐȱµã£ºÓαêÊÇ´æ·ÅÔÚÄÚ´æÖУ¬ºÜ·ÑÄÚ´æ¡£ÓαêÒ»½¨Á¢£¬¾Í½«Ïà¹ØµÄ¼ÇÂ¼Ëø×¡£¬Ö±µ½È¡ÏûÓ ......

ÔÚc#ÖеÄÈ¡µÃsql´æ´¢¹ý³ÌµÄoutput²ÎÊý

һֱûÓÐÕÒµ½Ò»Öֺõķ½·¨À´ÒýÓÃÓзµ»ØÖµµÄ´æ´¢¹ý³ÌµÄ·½·¨£¬Ê¹ÎÒÔÚÌí¼ÓÊý¾ÝÖÐ×ßÁ˲»ÉÙµÄÍä·£¬×î½ü£¬ÔÚ²éÔÄÁË´óÁ¿µÄ×ÊÁÏÖ®ºó£¬ÖÕÓÚÔÚ΢ÈíµÄÒ»¸öʵÀýÖÐÕÒµ½ÁËÒ»ÖÖÁ¼ºÃµÄ·½·¨¡£
Ê×ÏȱàдºÃÒ»Óзµ»ØÖµµÄ´æ´¢¹ý³Ì
create procedure proc_name
   @para1 nchar(20),    --ÊäÈë²ÎÊý
   @ ......

sqlÐÐתÁÐ


дһ¸ö´æ´¢¹ý³Ì£¬½«±íÒ»°´ÕÕ±í¶þµÄÐÎʽ½øÐвéѯ¡£
²Ö¿âÃû³Æ ÉÌÆ·Ãû³Æ ÊýÁ¿
A
S001 12
A S002 17
A
S003 10
B S001 21
B
S002 5
B S003 ......

sql²éѯ»ã×Ü

-
´¦Àí±íÖØ¸´¼Ç¼(²éѯºÍɾ³ý)
/*
*****************************************************************************************************************************************************
1¡¢Num¡¢NameÏàͬµÄÖØ¸´Öµ¼Ç¼,ûÓдóС¹ØÏµÖ»±£ÁôÒ»Ìõ
2¡¢NameÏàͬ,IDÓдóС¹ØÏµÊ±,±£Áô´ó»òСÆäÖÐÒ»¸ö¼Ç¼
ÕûÀíÈË£ºÖÐ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ