Çë½ÌOracleÊÂÎñ¸ôÀë¼¶±ðÎÊÌâ - Oracle / ·Ç¼¼ÊõÇø
²é¿´ÊÂÎñ¸ôÀë¼¶±ðµÄÃüÁ
MySQLʹÓõÄÊÇselect @@tx_isolation;
ÔÚOracleÖв鿴ÊÂÎñ¸ôÀë¼¶±ðµÄÃüÁîÊÇÄĸö£¿
SQL code:
SELECT /*+ rule */ s.username,decode(l.type,'TM','TABLE LOCK','TX','ROW LOCK',NULL)
LOCK_LEVEL,o.owner,o.object_name,o.object_type,
s.sid,s.serial#,s.terminal,s.machine,s.program,s.osuser
from v$session s,v$lock l,dba_objects o
WHERE l.sid = s.sid
AND l.id1 = o.object_id(+)
AND s.username is NOT NULL
ѧϰ~ ÈçºÎ²é¿´µ±Ç°sessionµÄÊÂÎñ¸ôÀë¼¶±ð
ORACLEÖÐÃ²ËÆÃ»Óеط½¿ÉÒÔ²éÄ굱ǰSESSIONµÄÊÂÎñ¸ôÀë¼¶±ð
¶¥Æð~~~~~~~
Ïà¹ØÎÊ´ð£º
ÎÒÊÇÓÃÔ¶³Ì×ÀÃæÁ¬²Ù×÷·þÎñÆ÷ÉϵÄÊý¾Ý¿â¡£
ÔÚ´´½¨Ò»¸öÓû§Ö®ºó£¬ÔÙÓÃPLSQLµÇ¼£¬ÔòPLSQLËÀµôÁË¡£
ÎҹصôPLSQLÖ®ºó£¬ÓÃÆäËûÓû§Ò²²»ÄܵǼ¡£
ÎÒ°ÑoracleµÄ·þÎñÍ£Ö¹£¬½á¹û¾ÍÊÇoracleµÄ·þÎñ״̬¾ÍÍ£ÁôÔÚ¡°Í ......
¸÷λoracle¸ßÊÖ£¬Çë½ÌÒ»ÏÂΪʲôoracle 10gÔÚ°²×°µ½°Ù·ÖÖ®°ËÊ®ÎåµÄʱºò¾Í±¨´í²»ÄܼÌÐø°²×°£¿
ÄÚ´æ¶à´ó£¿¡¡ÖØÐÂϸöÊý¾Ý¿â°²×°ÊÔÊÔ..
ÒýÓÃ
¸÷λoracle¸ßÊÖ£¬Çë½ÌÒ»ÏÂΪʲôoracle 10gÔÚ°²×°µ½°Ù·ÖÖ®°ËÊ®ÎåµÄʱ ......
²éÁËÒ»ÌìµÄblob£¬»¹ÊÇûÀí½âµ½£¬ÎÒÏëÔÚVCÏ´æÈ¡¶þ½øÖƵÄÎļþ£¬Ê¹ÓõÄÊÇoo4o£¬ÕÕ×ŰïÖúÎĵµÉÏÃæµÄдÁËдÈëÊý¾Ý¿âµÄ´úÂ룬»¹ÊÇûд¶Ô£¬´íÎóÌáʾÊÇthis operation is not permitted on a empty LOB£¬ÕâÊÇʲôÒâ˼°¡£¿ÕÕ ......
select sum£¨a.t)from ta a group by ta.a,ÕâÌõÓï¾ä½«±ítaÖеÄÊý¾Ý°´ÕÕa×ֶηÖ×é»ã×Üt×ֶΡ£
½á¹û±ÈÈ磺
3 30
4 50
ÎÒÏëµÃµ½Õâ¸ö½á¹û£º
1 0
2 0
3 30
4 50
5 0
Õâ¸ö½á¹û£¬ÇëÎÊsqlÓï¾äÔõôд£¿¶àл
nobody ......
ÎÒÊÇÔÚtoadÖÐÊäÈë϶Îsql
declare
TYPE test_rec IS record(
code varchar(10),
name varchar(30)
);
v_book test_rec;
......