----棣栧厛鍦ㄥ懡浠よ涓嬭繘鍏ュ埌mysql鐨刡in鐩綍錛岃繍琛宮ysql -u root -p錛岀劧鍚庤緭鍏ュ瘑鐮?br /> ----濡傛灉瀵嗙爜涓虹┖鍙互鐪佺暐-p錛屽彟澶栬繖閲岃繕鍙互鐩存帴璺熶笂鏁版嵁搴撶殑鍚嶇О錛岃繖鏍峰氨涓嶉渶瑕佽繘鍏ュ悗鍐島se 鏁版嵁搴撳悕浜嗐?br /> ----濡傛灉蹇樿瀵嗙爜鍙互鍦╣oogle閲屾悳绱?mysql 鍛戒護 娓呯┖瀵嗙爜錛岃祫鏂欎竴鍫嗐?br /> ---- http://dev.mysql.com/doc/refman/5.1/zh/index.html
"mysql"bin>mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or "g.
Your MySQL connection id is 64
Server version: 5.0.51a Source distribution
Type 'help;' or '"h' for help. Type '"c' to clear the buffer.
----鍒涘緩鏁版嵁搴?br /> mysql> create database simplejee default character set gbk;
Query OK, 1 row affected (0.06 sec)
----鍒囨崲鍒版暟鎹簱
mysql> use simplejee;
Database changed
----灝嗘煇涓猻ql鏂囦歡閲岀殑sql鎵ц
mysql> set names utf8;//榪欓噷鐨勭紪鐮佽鍜屼綘鐨剆ql鏂囦歡鐨勭紪鐮佺浉涓鑷淬?br /> //瑕佷嬌寰楀鏈夊閿叧緋葷殑琛ㄩ噸鏂拌澆鍏ヨ漿鍌ㄦ枃浠跺彉寰楁洿瀹規槗錛宮ysqldump鑷姩鍦ㄨ漿鍌ㄨ緭鍑轟腑鍖呮嫭涓涓鍙ヨ緗瓼OREIGN_KEY_CHECKS涓?銆?br /> //榪欓伩鍏嶅湪杞偍琚噸鏂拌杞戒箣鏃訛紝涓庝笉寰椾笉琚互鐗瑰埆欏哄簭閲嶆柊瑁呰澆鐨勮〃鐩稿叧鐨勯棶棰樸備篃鍙互鎵嬪姩璁劇疆榪欎釜鍙橀噺錛?br /> mysql> SET FOREIGN_KEY_CHECKS = 0;
mysql> source c:/simplejee.sql;
Query OK, 0 rows affected (0.00 sec)
mysql> SET FOREIGN_KEY_CHECKS = 1;
----鍒犻櫎鏁版嵁搴?br /> mysql> drop database simplejee;
Query OK, 133 rows affected (3.95 sec)
mysql> create database simplejee;
Query OK, 1 row affected (0.03 sec)
mysql> use simplejee;
Database changed
mysql> source c:/simplejee0601_0738.sql;
----浠巃pp_user琛ㄩ噷鏌ユ暟鎹?br /> mysql>select * from app_user;
--瀵煎嚭鏁版嵁 濡傛灉瀵嗙爜涓虹┖-p鍙互鐪佺暐銆傛敞鎰忓鍑烘槸鐩存帴鍦ㄥ懡浠よ涓嬨?br /> --濡傛灉涓枃涔辯爜錛屽彲浠ユ牴鎹儏鍐靛姞涓婅濡?--default-character-set=gbk鐨勪笢涓?br /> mysqldump -u root -p simplejee>f:"t.sql
]]>
insert into ABC (id,Name,Value) values('3','aaa','A');
insert into ABC (id,Name,Value) values('4','aaa','A');
select DISTINCT t.* from ABC t join ABC tt on t.id <> tt.id and t.name = tt.name;
]]>
sqlplus initinswell/longtop@INSWELL_LOCAL @e:\test.sql
exp initinswell/longtop@INSWELL_LOCAL file=e:\inswell.dmp log=e:\inswell_exp.log
imp initinswell/longtop@INSWELL_LOCAL file=e:\inswell.dmp log=e:\inswell_imp.log full=y ignore=y
imp initinswell/longtop@INSWELL_LOCAL file=e:\inswell.dmp full=y indexfile=e:\index.sql
create tablespace INSWELLSPAC
logging
datafile 'F:\env\oracle\product\10.2.0\oradata\inswell\INSWELLSPAC.DBF'
size 500m
autoextend on
next 100m maxsize 2048m
extent management local;
]]>
甯哥敤鏂規硶鏈変互涓嬪嚑縐嶏細
涓銆侀氳繃PL/SQL Dev宸ュ叿
1銆佺洿鎺ile->New->Explain Plan Window錛屽湪紿楀彛涓墽琛宻ql鍙互鏌ョ湅璁″垝緇撴灉銆傚叾涓紝Cost琛ㄧずcpu鐨勬秷鑰楋紝鍗曚綅涓簄%錛孋ardinality琛ㄧず鎵ц鐨勮鏁幫紝絳変環Rows銆?br />
2銆佸厛鎵ц EXPLAIN PLAN FOR select * from tableA where paraA=1錛屽啀 select * from table(DBMS_XPLAN.DISPLAY)渚垮彲浠ョ湅鍒皁racle鐨勬墽琛岃鍒掍簡錛岀湅鍒扮殑緇撴灉鍜?涓殑涓鏍鳳紝鎵浠ヤ嬌鐢ㄥ伐鍏風殑鏃跺欐帹鑽愪嬌鐢?鏂規硶銆?br />
娉ㄦ剰錛歅L/SQL Dev宸ュ叿鐨凜ommand window涓笉鏀寔set autotrance on鐨勫懡浠ゃ傝繕鏈変嬌鐢ㄥ伐鍏鋒柟娉曟煡鐪嬭鍒掔湅鍒扮殑淇℃伅涓嶅叏錛屾湁浜涙椂鍊欐垜浠渶瑕乻qlplus鐨勬敮鎸併?br />
浜屻侀氳繃sqlplus
1銆佷竴鑸儏鍐甸兘鏄湰鏈洪摼鎺ヨ繙紼嬫湇鍔″櫒錛屾墍浠ュ懡浠ゅ涓嬶細
sqlplus user/pwd@serviceName
姝ゅ鐨剆erviceName涓簍nsnames.ora涓畾涔夌殑鍛藉悕絀洪棿銆?br /> 2銆佹墽琛宻et autotrace on錛岀劧鍚庢墽琛宻ql璇彞錛屼細鍒楀嚭浠ヤ笅淇℃伅錛?br />
銆傘傘傦紙鐪佺暐涓浜涗俊鎭級
緇熻淇℃伅
----------------------------------------------------------
1 recursive calls 錛堝綊璋冪敤嬈℃暟錛?br /> 0 db block gets
2 consistent gets
0 physical reads 錛堢墿鐞嗚鈥斺旀墽琛孲QL鐨勮繃紼嬩腑錛屼粠紜洏涓婅鍙栫殑鏁版嵁鍧椾釜鏁幫級
0 redo size (閲嶅仛鏁扳斺旀墽琛孲QL鐨勮繃紼嬩腑錛屼駭鐢熺殑閲嶅仛鏃ュ織鐨勫ぇ灝?
358 bytes sent via SQL*Net to client
366 bytes received via SQL*Net from client
1 SQL*Net roundtrips to/from client
0 sorts (memory) 鍦ㄥ唴瀛樹腑鍙戠敓鐨勬帓搴?br /> 0 sorts (disk) 鍦ㄧ‖鐩樹腑鍙戠敓鐨勬帓搴?br /> 1 rows processed
鐪佺暐閮ㄥ垎淇℃伅鍜岄氳繃PL/SQL Dev宸ュ叿鏌ョ湅鎵ц璁″垝鐨勪俊鎭竴鏍鳳紝涓嬮潰鐨勭粺璁′俊鎭槸鏇磋緇嗙殑銆?
鍒ゆ柇SQL鏁堢巼楂樹綆涓嶅叧閫氳繃鏃墮棿鏉ヨ 閲忥紝榪樺簲璇ラ氳繃鎵цSQL鎵ц鐘舵侀噷闈㈢殑閫昏緫璇葷殑鏁伴噺
閫昏緫璇?錛坉b block gets+ consistent gets錛?
]]>