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How to use PL SQL Developer in Ubuntu

You can user PL SQL Developer in Ubuntu like in Windows:
1.download PL/SQL Developer for linux;
2.Install JDK berfore the next;
3.install the PL/SQL Developer;
4.goto the $PL/SQL Developer,run sh sqldeverloper.sh;
5.type the $JDK;
6.then the PL/SQL Developer will startup.


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SQLÖÐ groupbyºÍhavingµÄÇø±ð

½éÉÜGROUP BY ºÍ HAVING ×Ó¾äǰ£¬ÎÒÃDZØÐèÏȽ²½²sqlÓïÑÔÖÐÒ»ÖÖÌØÊâµÄº¯Êý:¾ÛºÏº¯Êý£¬ÀýÈçSUM, COUNT, MAX, AVGµÈ¡£ÕâЩº¯ÊýºÍÆäËüº¯ÊýµÄ¸ù±¾Çø±ð¾ÍÊÇËüÃÇÒ»°ã×÷ÓÃÔÚ¶àÌõ¼Ç¼ÉÏ¡£
 SELECT SUM(population) from bbc
ÕâÀïµÄSUM×÷ÓÃÔÚËùÓзµ»Ø¼Ç¼µÄpopulation×Ö¶ÎÉÏ£¬½á¹û¾ÍÊǸòéѯֻ·µ»ØÒ»¸ö½á¹û£¬¼´ËùÓйú¼ÒµÄ×ÜÈË¿ ......

sqlÖØ¸´Êý¾Ý´¦Àí£¬ÓÐΨһID£¬formidÓÐÖØ¸´,ÁôÒ»Ìõ

/*sqlÖØ¸´Êý¾Ý´¦Àí£¬ÓÐΨһID£¬formidÓÐÖØ¸´*/
/*²é³öÖØ¸´µÄfromid*/
select formid from GaiaSaver_BUG group by formid having count(*)>1
/*ɾ³ýÖØ¸´formid£¬Ö»ÁôÒ»Ìõ*/
delete from GaiaSaver_BUG  where ID not in
(select   min(ID) as ID  from  GaiaSaver_BUG  group by for ......

SQL HexString Óë Binary »¥»»

HexString to Binary:
DECLARE @y CHAR(34)
SET @y = '0x499104dc92dd27499da9ad8f56dcb437'
DECLARE @x BINARY(16)
DECLARE @sql NVARCHAR(200)
SET @sql = 'SELECT @x = ' + @y
EXEC sp_executesql
@sql,
N'@x BINARY(16) OUTPUT',
@x OUTPUT
SELECT @x
Binary to HexString:
DECLARE @a VARBINARY(20)
SET ......

SQLÖÐ ³£ÓõĴ¦Àí·½·¨

 -- Ò»£º ´¦Àíδ²éµ½µÄ¿ÕÖµ
 select
 case when exists(select EndPrice from T_stock where BOMSN='0109')
 then (select EndPrice from T_stock where BOMSN='0109')
 else 0 end
 --¶þ£º¸üÐÂ×Ö¶ÎÖµ
 --strNum ÊýÁ¿
 --strId  ÐòºÅ
 update T_buy_Pro set Co ......

¡¾×ª¡¿+¡¾Ô­¡¿SQL Server ÈÕÆÚº¯Êý£ºÄ³ÌìÊÇÐÇÆÚ¼¸

ÒªµÃµ½Ä³Ò»ÌìÊÇÐÇÆÚ¼¸£¬ÐèÒªÓõ½ SQL Server ÖеÄÈÕÆÚº¯Êý£ºdatename()¡£ ½ñÌìÊÇÐÇÆÚ¼¸£¬Àý×Ó 1£º 1: set language N'English'
2: select datename(weekday, getdate())
3: 
4: Wednesday
½ñÌìÊÇÐÇÆÚ¼¸£¬Àý×Ó 2£º

1: set language N'Simplified Chinese'
......
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