»¨ÁË°ëÌìд³öÀ´µÄ¸ösqlÓï¾ä£¬·ÖÏíÏÂ
Declare @T Table(
CFF_Loanno nvarchar(100),
BANK_Name_2 nvarchar(100),
CFF_code nvarchar(100),
CFF_date datetime,
CFF_amt decimal(18, 6),
CFF_repay_date datetime,
COMP_Name_2 nvarchar(100)
)
---ÁÙʱ±í£¬´æ·Å»ù´¡Êý¾Ý
insert into @T(CFF_Loanno ,
BANK_Name_2 ,
CFF_code,
CFF_date,
CFF_amt,
CFF_repay_date,
COMP_Name_2)
SELECT A.CFF_Loanno,B.BANK_Name_2,A.CFF_code,A.CFF_date,A.CFF_amt,A.CFF_repay_date,C.COMP_Name_2
from cashflow_financing as A
inner join Bank as B on
A.CFF_Bank = B.BANK_Code
inner join Company as C on
A.CFF_repay_company = C.COMP_Code
---С¼Æ±í£¬°´ÕÕ»¹¿îÈÕÆÚ»ã×Ü
select N'B' as ord,N'С¼Æ' as class,
CFF_Loanno as CFF_Loanno ,
CONVERT(varchar(100), CFF_repay_date, 23) as BANK_Name_2 ,
NULL as CFF_code,
NULL as CFF_date,
isnull((select sum(CFF_amt) from @T as a where a.CFF_Loanno = b.CFF_Loanno and a.CFF_repay_date = b.CFF_repay_date), 0) as CFF_amt,
NULL as CFF_repay_date,
NULL as COMP_Name_2
from @T as b group by CFF_Loanno, CFF_repay_date
union all
---Ã÷ϸ±í
select N'A' as ord,N'Ã÷ϸ' as class,c.*
from @T as c
union all
---ºÏ¼Æ±í
select N'C' as ord,N'ºÏ¼Æ' as class,
CFF_Loanno as CFF_Loanno ,
NULL as BANK_Name_2 ,
NULL as CFF_code,
NULL as CFF_date,
isnull((select sum(CFF_amt) from @T as d where d.CFF_Loanno = e.CFF_Loanno), 0) as CFF_amt,
NULL as CFF_repay_date,
NULL as COMP_Name_2
from @T as e
Ïà¹ØÎĵµ£º
ORACLE SQLÓÅ»¯
£¨1£© Ñ¡Ôñ×îÓÐЧÂʵıíÃû˳Ðò(Ö»ÔÚ»ùÓÚ¹æÔòµÄÓÅ»¯Æ÷ÖÐÓÐЧ)£º
ORACLE µÄ½âÎöÆ÷°´ÕÕ´ÓÓÒµ½×óµÄ˳Ðò´¦Àífrom ×Ó¾äÖеıíÃû£¬from ×Ó¾äÖÐдÔÚ×îºóµÄ±í
(»ù´¡±ídriving table)½«±»×îÏÈ´¦Àí£¬ÔÚfrom ×Ó¾äÖаüº¬¶à¸ö±íµÄÇé¿öÏÂ,Äã±ØÐëÑ¡Ôñ¼Ç
¼ÌõÊý×îÉٵıí×÷Ϊ»ù´¡±í¡£Èç¹ûÓÐ3¸öÒÔÉϵıíÁ¬½Ó²éѯ, ÄǾÍÐè ......
ÔÚsql²éѯ·ÖÎöÆ÷ÀïÃæÊDz»ÄÜÖ±½ÓÔËÐÐcmdÃüÁîµÄ
µ«ÊÇSQL¸ø³öÁËÒ»¸ö½Ó¿Ú
--´ò¿ª¸ß¼¶ÉèÖÃ
EXEC sp_configure 'show advanced options', 1
RECONFIGURE
--´ò¿ªxp_cmdshellÀ©Õ¹´æ´¢¹ý³Ì
EXEC sp_configure 'xp_cmdshell', 1
RECONFIGURE
Ê×ÏÈ ´ò¿ªÒ»Ð©ÅäÖÃ
È»ºóÖ´ÐÐÄãÒªÔËÐÐcmdÃüÁî
exec master..xp_cmdshell 'net star ......
µÚÒ»Ìõ£º
select * from where field in (1,2,3) ÕâÖÖд·¨Ó¦¸ÃÉáÆúÁË£¬¶øÓ¦¸ÃÕâÑùд£º
select * from table where field = 1 or field = 2 or field = 3
ΪʲôÄØ£¿
·²ÊÂÖ»ÓÐ×ö¹ý²ÅÖªµÀ£¬×Ô¼º½¨¸ö±í£¬²åÈë10WÌõ²âÊÔÊý¾Ý£¬ÓÃsql²âÊÔһϱãÖª£¬ÒòΪ¹¤×÷±ãÀû£¬ÎÒÔÚ²úÆ·»úºÍÍâÍø²âÊÔ»ú¶¼ÒѾ²âÊÔ¹ý£ ......
˵µ½Èí½âÎö£¨soft prase
£©ºÍÓ²½âÎö£¨
hard prase
£©£¬¾Í²»Äܲ»ËµÒ»ÏÂ
Oracle
¶Ô
sql
µÄ´¦Àí¹ý³Ì¡£µ±Äã·¢³öÒ»Ìõ
sql
Óï¾ä½»¸¶
Oracle
£¬ÔÚÖ´ÐкͻñÈ¡½á¹ûÇ°£¬
Oracle
¶Ô´Ë
sql
½«½øÐм¸¸ö²½ÖèµÄ´¦Àí¹ý³Ì£º
1¡¢Óï·¨¼ì²é£¨
syntax check
£©
&nb ......
ÎÒÃǶ¼ÖªµÀÔÚOracleÖÐÿÌõSQLÓï¾äÔÚÖ´ÐÐ֮ǰ¶¼ÐèÒª¾¹ý½âÎö£¬ÕâÀïÃæÓÖ·ÖΪÈí½âÎöºÍÓ²½âÎö¡£ÔÚOracleÖдæÔÚÁ½ÖÖÀàÐ͵ÄSQLÓï¾ä£¬Ò»ÀàΪ
DDLÓï¾ä£¨Êý¾Ý¶¨ÒåÓïÑÔ£©£¬ËûÃÇÊÇ´ÓÀ´²»»á¹²ÏíʹÓõģ¬Ò²¾ÍÊÇÿ´ÎÖ´Ðж¼ÐèÒª½øÐÐÓ²½âÎö¡£»¹ÓÐÒ»Àà¾ÍÊÇDMLÓï¾ä£¨Êý¾Ý²Ù×ÝÓïÑÔ£©£¬ËûÃÇ»á¸ù¾ ......