PL/SQL ¿éµÄѧϰ£¨¾«»ª£©
PL/SQL¿é
declare
begin
--SQLÓï¾ä
--Ö±½ÓдµÄSQLÓï¾ä(DML/TCL)
--¼ä½Óдexecute immediate <DDL/DCLÃüÁî×Ö·û´®>
--select Óï¾ä
<1>±ØÐë´øÓÐinto×Ó¾ä
select empno into eno from emp
where empno =7369;
<2>Ö»Äܲ鵽һÐÐ**********
<3>×ֶθöÊý±ØÐëºÍ±äÁ¿µÄ¸öÊýÒ»ÖÂ
exception
--Òì³£
when <Òì³£Ãû×Ö> then --Ìض¨Òì³£
<´¦ÀíÓï¾ä>
when others then --ËùÓÐÒì³£¶¼¿É²¶»ñ
<´¦ÀíÓï¾ä>
end;
<Àý×Ó>
±àд³ÌÐò ÏòDEPT±íÖвåÈëÒ»Ìõ¼Ç¼£¬
´Ó¼üÅÌÊäÈëÊý¾Ý£¬Èç¹û
Êý¾ÝÀàÐÍÊäÈë´íÎóÒªÓÐÌáʾ
ÎÞ·¨²åÈë¼Ç¼ Ò²ÒªÓÐÌáʾ
Ö»ÄÜÊäÈëÕýÊý,Èç¹ûÓиºÊýÌáʾ
declare
n number;
no dept.deptno%type;
nm dept.dname%type;
lc dept.loc%type;
exp exception; --Òì³£µÄ±äÁ¿
exp1 exception;
num number:=0; --¼ÆÊýÆ÷
pragma exception_init(exp,-1); --Ô¤¶¨ÒåÓï¾ä
--(-1´íÎóºÍÒì³£±äÁ¿¹ØÁª)
pragma exception_init(exp1,-1476);
e1 exception; --×Ô¶¨ÒåÒì³£±äÁ¿
begin
--ÊäÈëÖµ
no := '&񅧏';
num := num + 1;
if no < 0 then
raise e1; --×Ô¶¨ÒåÒì³£µ
Ïà¹ØÎĵµ£º
LINQ to SQL ÐÔÄÜ 10 Tips
http://www.cnblogs.com/worksguo/archive/2008/06/04/1213075.html
Ç°Ò»ÖÜ£¬ÎÒµÄÓ²ÅÌÓÐÁ½·ÖÇø»µÁË£¬ÎÒ×¼±¸µÄÎÄÕÂÓë×ÊÁ϶¼ÔÚÀïÃ棬ËùÒÔLINQµÄÎÄÕÂÍ£ÁËÒ»¶Îʱ¼ä£¬ÕæµÄÌ«²»ºÃÀ£¬ÎªÀ´ÃÖ²¹Ò»Ï¾ÍÏÈ·¢ÕâƪÎÄÕÂÉÏÀ£¬Ã÷ÌìÔÙһƪ¹ØÓÚDisconnection DataµÄÎÄÕ¡£
Ö»²»¹ýÐҺã¬ÔÚÕ⼸ÌìÖÐÎҽ߾¡È«Á¦ ......
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
Go
----½ØÈ¡×Ö·û´®£¬²¢³öÈ¥html
create FUNCTION [dbo].[CutString] (@str varchar(1000),@length int)
RETURNS varchar(1000) AS
BEGIN
declare @mainstr varchar(1000)
declare @substr varchar(1000)
if(@str is not null or @st ......
Linq to SQL uses a DataContext to manage it's access to the database as well as tracking changes made to entities retrieved from the database. Linq to SQL has a persistent approach to managing its 'connection' to the database via this data context and it basically assumes that you use a single Dat ......
¡¡1¡¢ÔÚ.net framework 2.0µÄ°²×°Ä¿Â¼ÏÂ
£¨Ä¬ÈÏÊÇWINNT\Microsoft.NET\Framework\v2.0.40607£©£¬Æô¶¯Ò»¸ö½ÐASPnet_regsql.exeµÄÃüÁîÐй¤¾ß£¬±ÈÈ磺
ASPnet_regsql -S localhost –U sa –P 123456 -d Pubs –ed
¡¡¡¡ÉÏÃæµÄÒâ˼ÊÇ£¬Ö¸¶¨Á˱¾µØµÄÊý¾Ý¿â·þÎñÆ÷localhost,²¢Ö¸¶¨Á˵ǽµÄÓû§ÃûºÍÃÜÂ룬²¢ÓòΠ......
PL/SQL DEVELOPER »ù±¾Ó÷¨Ïê½â(½¨Òéд¹ýµÚÒ»¸ö´æ´¢¹ý³ÌºóµÄ³õÊֱضÁ)
ÓùýoracleµÄ¶¼±§Ô¹£¬ÎªÁËÎȶ¨ ËüÌṩµÄͼÐλ¯²Ù×÷ ËÙ¶ÈÂýµÄÈÃÈËÉËÐÄѽ£¬p4+128MµÄ»úÆ÷Ö»ÒªÆô¶¯Ò»¸ö
oracle·þÎñ¾Í¹»ÈÃÈËÉËÐĵģ¬ÔÙÔÚdba studioÀïÃæ²Ù×÷ÕæÄÜÈÃÈË¿Þ¡£
pl/sql developerÕýÊǽâ¾öÕâ¸öÎÊÌâµ ......