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

SQL*PLUSÃüÁî sql±à³ÌÊÖ²á

 Ò»¡¢SQL PLUS
1 ÒýÑÔ
SQLÃüÁî
ÒÔÏÂ17¸öÊÇ×÷ΪÓï¾ä¿ªÍ·µÄ¹Ø¼ü×Ö£º
alter  drop  revoke
audit  grant  rollback*
commit*  insert  select
comment  lock  update
create  noaudit  validate
delete  rename
ÕâЩÃüÁî±ØÐëÒÔ“;”½áβ
´ø*ÃüÁî¾äβ²»±Ø¼Ó·ÖºÅ£¬²¢ÇÒ²»´æÈëSQL»º´æÇø¡£
SQLÖÐûÓеÄSQL*PLUSÃüÁî
ÕâЩÃüÁî²»´æÈëSQL»º´æÇø
@  define  pause
#  del  quit
$  describe  remark
/  disconnect  run
accept  document  save
append  edit  set
break  exit  show
btitle  get  spool
change  help  sqlplus
clear  host  start
column  input  timing
compute  list  ttitle
connect  newpage  undefine
copy
-------
2 Êý¾Ý¿â²éѯ
Êý¾Ý×Öµä
TAB Óû§´´½¨µÄËùÓлù±í¡¢ÊÓͼºÍͬÒå´ÊÇåµ¥
DTAB ¹¹³ÉÊý¾Ý×ÖµäµÄËùÓбí
COL Óû§´´½¨µÄ»ù±íµÄËùÓÐÁж¨ÒåµÄÇåµ¥
CATALOG Óû§¿É´æÈ¡µÄËùÓлù±íÇåµ¥
select from tab;
describeÃüÁî ÃèÊö»ù±íµÄ½á¹¹ÐÅÏ¢
describe dept
select 
from emp;
select empno,ename,job
from emp;
select from dept
order by deptno desc;
Âß¼­ÔËËã·û
= !=»ò<> > >= < <=
in
between value1 and value2
like
%
_
in null
not
no in,is not null
ν´ÊinºÍnot in
ÓÐÄÄЩְԱºÍ·ÖÎöÔ±
select ename,job
from emp
where job in ('clerk','analyst');
select ename,job
from emp
where job not in ('clerk','analyst');
ν´ÊbetweenºÍnot between
ÄÄЩ¹ÍÔ±µÄ¹¤×ÊÔÚ2000ºÍ3000Ö®¼ä
select ename,job,sal from emp
where sal between 2000 and 3000;
select ename,job,sal from emp
where sal not between 2000 and 3000;
ν´Êlike,not like
select ename,deptno from emp
where ename like 'S%';
(ÒÔ×ÖĸS¿ªÍ·)
select ename,deptno from emp
where ename like '%K';
(ÒÔK½áβ)
select ename,deptno from emp
where ename like 'W___';
(ÒÔW¿ªÍ·£¬ºóÃæ½öÓÐÈý¸ö×Öĸ)
select ename,job from emp
where job not like 'sales%';


Ïà¹ØÎĵµ£º

ÉîÈëÑо¿SQL SERVER 2005ºÍ¶à»î¶¯½á¹û¼¯£¨MARS£©

SQL SERVER 2005ÒýÈëÁËÔÚµ¥Ò»Á¬½ÓÉ϶Զà»î¶¯½á¹û¼¯£¨Ò²³ÆÎªMARS£©»ò¶à¸öÇëÇóµÄÖ§³Ö¡£Í¨¹ýÔÚÓëSQL SERVER 2005µÄÁ¬½ÓÉÏÆôÓÃÕâÒ»ÌØÐÔ£¬µ±´æÔÚÓëSqlconnectionÏà¹ØÁªµÄ¿ª·ÅʽSqlDataReaderʱ£¬Á¬½Ó½«²»»áÖжϡ£¼´Ê¹ÉÐδ¹Ø±Õµ±Ç°´ò¿ªµÄSqlDataReader£¬Ò²ÈÔÈ»Äܹ»ÔÚSqlconnectionÉÏÖ´ÐÐÆäËû²éѯ±ÈÈ磺SELECT£¬UPDATE£¬CREATETABL ......

SQLÓÅ»¯

²éѯËÙ¶ÈÂýµÄÔ­ÒòºÜ¶à£¬³£¼ûÈçϼ¸ÖÖ£º
1¡¢Ã»ÓÐË÷Òý»òÕßûÓÐÓõ½Ë÷Òý(ÕâÊDzéѯÂý×î³£¼ûµÄÎÊÌ⣬ÊdzÌÐòÉè¼ÆµÄȱÏÝ)
2¡¢I/OÍÌÍÂÁ¿Ð¡£¬ÐγÉÁËÆ¿¾±Ð§Ó¦¡£
3¡¢Ã»Óд´½¨¼ÆËãÁе¼Ö²éѯ²»ÓÅ»¯¡£
4¡¢ÄÚ´æ²»×ã
5¡¢ÍøÂçËÙ¶ÈÂý
6¡¢²éѯ³öµÄÊý¾ÝÁ¿¹ý´ó£¨¿ÉÒÔ²ÉÓöà´Î²éѯ£¬ÆäËûµÄ·½·¨½µµÍÊý¾ÝÁ¿£©
7¡¢Ëø»òÕßËÀËø(ÕâÒ²ÊDzé ......

½«MySQLÖÐsqlÔËÐнá¹û±£´æµ½Îļþ

 ÓÐÁ½ÖÖ·½·¨¡£
·½·¨Ò»£ºÔÚmysql>Ìáʾ·ûÖÐʹÓÃtee
mysql> tee output.txt
Logging to file 'output.txt'
mysql> notee
Outfile disabled.
»òÕß
mysql> \T output.txt
Logging to file 'output.txt'
mysql> \t
Outfile disabled.
Õâ¸öÀàËÆÓÚsqlplusµÄspool¹¦ÄÜ£¬¿ÉÒÔ½«ÃüÁîÐÐÖеĽá¹û±£´æµ½Í ......

ÈçºÎµ¼Èë.sqlÎļþµ½mysqlÖÐ

ÈçºÎµ¼Èë.sqlÎļþµ½mysqlÖУ¿
C:\mysql\bin>mysql  -u  Óû§Ãû -p  Êý¾Ý¿âÃû  <   c:/test.sql    (source "c:\adsense.sql" )
ÖмäµÄ¿Õ¸ñÊÇÒ»¸ö¿Õ¸ñλ¡£
ͬʱʹÓÃ200¶àMBµÄsqlÎļþ¡£
ÀýÈ磺
C:\Program Files\MySQL\bin>mysql -u root -p myrosz & ......

º½¿Õ¹«Ë¾¹ÜÀíϵͳ(VC++ ÓëSQL 2005)

ϵͳ»·¾³£ºWindows 7
Èí¼þ»·¾³£ºVisual C++ 2008 SP1 +SQL Server 2005
±¾´ÎÄ¿µÄ£º±àдһ¸öº½¿Õ¹ÜÀíϵͳ
      ÕâÊÇÊý¾Ý¿â¿Î³ÌÉè¼ÆµÄ³É¹û£¬ËäÈ»³É¼¨²»¼Ñ£¬µ«ÊÇ×÷ΪÎÒÓÃVC++ ÒÔÀ´±àдµÄ×î´ó³ÌÐò»¹ÊÇ´«µ½ÍøÉÏ£¬ÒÔ¹©²Î¿¼¡£ÓÃVC++ ×öÊý¾Ý¿âÉè¼Æ²¢²»ÈÝÒ×£¬µ«Ò²²»ÊDz»¿ÉÄÜ¡£ÒÔÏÂÊÇÎҵijÌÐò½çÃæ£¬ºóÃæ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ