]]>mysql鍚敤鏌ヨ鏃ュ織http://m.tkk7.com/anchor110/articles/422425.html灝忎竴璐ユ秱鍦?/dc:creator>灝忎竴璐ユ秱鍦?/author>Sun, 25 Jan 2015 07:21:00 GMThttp://m.tkk7.com/anchor110/articles/422425.htmlhttp://m.tkk7.com/anchor110/comments/422425.htmlhttp://m.tkk7.com/anchor110/articles/422425.html#Feedback0http://m.tkk7.com/anchor110/comments/commentRss/422425.htmlhttp://m.tkk7.com/anchor110/services/trackbacks/422425.html1銆佹煡鐪媘ysql server鐨勫懡浠よ鍚姩鍙傛暟錛屾樉紺哄涓嬶細
"C:\Program Files\MySQL\MySQL Server 5.6\bin\mysql.exe" "--defaults-file=C:\ProgramData\MySQL\MySQL Server 5.6\my.ini" "-uroot" "-p" 2銆佷慨鏀規(guī)寚瀹氶厤緗枃浠禖:\ProgramData\MySQL\MySQL Server 5.6\my.ini錛屽湪[[mysqld]涓嬫坊鍔犲涓嬮厤緗細
]]>ERROR 1045 (28000): Access denied for user 'openfire'@'localhost' (using password: YES)http://m.tkk7.com/anchor110/articles/419789.html灝忎竴璐ユ秱鍦?/dc:creator>灝忎竴璐ユ秱鍦?/author>Sat, 08 Nov 2014 06:15:00 GMThttp://m.tkk7.com/anchor110/articles/419789.htmlhttp://m.tkk7.com/anchor110/comments/419789.htmlhttp://m.tkk7.com/anchor110/articles/419789.html#Feedback0http://m.tkk7.com/anchor110/comments/commentRss/419789.htmlhttp://m.tkk7.com/anchor110/services/trackbacks/419789.html
mysql -u root -p
Then I created a new user bill with host %
CREATE USER 'bill'@'%' IDENTIFIED BY 'passpass';
Granted all the privileges to user bill:
grant all privileges on . to 'bill'@'%' with grant option;
Then I exit from root user and try to login with bill:
mysql -u bill -p
entered the correct password and got this error:
ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
閿欒鍘熷洜錛?br />mysql.user琛ㄤ腑瀛樺湪涓鏉ser=''鐨勮褰曪紝瀵艱嚧鐧誨綍鏃墮鍏堝尮閰嶅埌榪欐潯璁板綍錛屾墍浠ユ棤娉曠櫥褰曘?br /> 瑙e喅鍔炴硶錛?br />鍒犻櫎鎺夎繖鏉$敤鎴瘋褰曪紝鍗蟲搷浣滆鍙ワ細DELETE FROM mysql.user where user='';
]]>MySQL閿欒Another MySQL daemon already running with the same unix socket. http://m.tkk7.com/anchor110/articles/417875.html灝忎竴璐ユ秱鍦?/dc:creator>灝忎竴璐ユ秱鍦?/author>Fri, 12 Sep 2014 08:53:00 GMThttp://m.tkk7.com/anchor110/articles/417875.htmlhttp://m.tkk7.com/anchor110/comments/417875.htmlhttp://m.tkk7.com/anchor110/articles/417875.html#Feedback0http://m.tkk7.com/anchor110/comments/commentRss/417875.htmlhttp://m.tkk7.com/anchor110/services/trackbacks/417875.html鍘熷洜錛?br />mysql寮傚父鍋滄銆?br /> 瑙e喅鍔炴硶錛?br />鎶妋ysql.sock鐨勪慨鏀癸紝濡傦細
mysql> desc video_info_streamtypes; +------------+--------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +------------+--------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | name | varchar(255) | NO | MUL | NULL | | | type | varchar(255) | NO | | NULL | | | timelength | double | NO | | NULL | | | size | double | NO | | NULL | | | videoId | int(11) | NO | MUL | NULL | | +------------+--------------+------+-----+---------+----------------+
鍏朵腑video_info_streamtypes鐨剉ideoId涓哄閿叧鑱攙ideo_info琛ㄧ殑id銆?br />鐜伴渶瑕佸垹闄ideo_info_streamtypes涓壘涓嶅埌瀵瑰簲video_info琛ㄤ腑鏁版嵁鐨勮褰曪紝璇彞濡備笅錛?br /> delete from video_info_streamtypes where not exists (select * from video_info where video_info.id=video_info_streamtypes.videoId )
姝g‘鏂瑰紡錛?br />1銆佸垱寤轟竴涓柊琛╰mp_names 2銆佹墽琛宨nsert into tmp_names(****) select ***** from video_name; 3銆佸垹闄ideo_names 4銆侀噸鍛藉悕tmp_name涓簐ideo_names;璇彞涓簉ename table tmp_names to video_names;
]]>濡備綍鍙栧嚭oracle涓煇涓〃鐨勬渶鍚庝慨鏀規(guī)棩鏈?/title>http://m.tkk7.com/anchor110/articles/343249.html灝忎竴璐ユ秱鍦?/dc:creator>灝忎竴璐ユ秱鍦?/author>Thu, 20 Jan 2011 01:58:00 GMThttp://m.tkk7.com/anchor110/articles/343249.htmlhttp://m.tkk7.com/anchor110/comments/343249.htmlhttp://m.tkk7.com/anchor110/articles/343249.html#Feedback1http://m.tkk7.com/anchor110/comments/commentRss/343249.htmlhttp://m.tkk7.com/anchor110/services/trackbacks/343249.htmlselect last_ddl_time
from user_objects
where object_name='TABLE_NAME'
and object_type='table';
]]>mysql淇敼瀵嗙爜鐨勬柟娉?/title>http://m.tkk7.com/anchor110/articles/338546.html灝忎竴璐ユ秱鍦?/dc:creator>灝忎竴璐ユ秱鍦?/author>Sat, 20 Nov 2010 06:33:00 GMThttp://m.tkk7.com/anchor110/articles/338546.htmlhttp://m.tkk7.com/anchor110/comments/338546.htmlhttp://m.tkk7.com/anchor110/articles/338546.html#Feedback0http://m.tkk7.com/anchor110/comments/commentRss/338546.htmlhttp://m.tkk7.com/anchor110/services/trackbacks/338546.htmlmysql> update mysql.user set password=PASSWORD('123456') where User='root';
mysql> flush privileges;
鎺堟潈: GRANT ALL PRIVILEGES ON *.* TO root@'%' IDENTIFIED BY '123456';
create or replace procedure viva_session_proc is
begin
DECLARE
inactiveCount NUMBER;
activeCount NUMBER;
begin
select count(*) into inactiveCount from v$session where status='INACTIVE';
select count(*) into activeCount from v$session where status='ACTIVE';
insert into pmsuser.viva_session(inactive,active)
values(inactiveCount,activeCount);
end;
end viva_session_proc;
2銆佽〃絀洪棿鏁版嵁鐨勫彇寰楋紝浠g爜錛?br />
create or replace procedure viva_tablespace_proc is
begin
insert into pmsuser.viva_tablespace(tablespace_name,total_mb,used_mb,used_pct)
select
total.tablespace_name,
round(total.MB, 2) as Total_MB,round(total.MB - free.MB, 2) as Used_MB,
round((1- free.MB / total.MB) *100, 2) ||'%' as Used_Pct
from (select tablespace_name, sum(bytes) /1024/1024 as MB
from dba_free_space
group by tablespace_name) free,
(select tablespace_name, sum(bytes) /1024/1024 as MB
from dba_data_files
group by tablespace_name) total
where free.tablespace_name = total.tablespace_name;
]]>Oracle鎬ц兘鐩戞帶鑴氭湰(娉細杞澆浜巋ttp://www.vcmy.com/article/2006-3-21/194-1.htm)http://m.tkk7.com/anchor110/articles/336909.html灝忎竴璐ユ秱鍦?/dc:creator>灝忎竴璐ユ秱鍦?/author>Wed, 03 Nov 2010 03:22:00 GMThttp://m.tkk7.com/anchor110/articles/336909.htmlhttp://m.tkk7.com/anchor110/comments/336909.htmlhttp://m.tkk7.com/anchor110/articles/336909.html#Feedback0http://m.tkk7.com/anchor110/comments/commentRss/336909.htmlhttp://m.tkk7.com/anchor110/services/trackbacks/336909.html1. 鐩戞帶浜嬩緥鐨勭瓑寰?
select event,sum(decode(wait_Time,0,0,1)) "Prev",
sum(decode(wait_Time,0,1,0)) "Curr",count(*) "Tot"
from v$session_Wait
group by event order by 4;
2. 鍥炴粴孌電殑浜夌敤鎯呭喌
select name, waits, gets, waits/gets "Ratio"
from v$rollstat a, v$rollname b
where a.usn = b.usn;
3. 鐩戞帶琛ㄧ┖闂寸殑 I/O 姣斾緥
select df.tablespace_name name,df.file_name "file",f.phyrds pyr,
f.phyblkrd pbr,f.phywrts pyw, f.phyblkwrt pbw
from v$filestat f, dba_data_files df
where f.file# = df.file_id
order by df.tablespace_name;
4. 鐩戞帶鏂囦歡緋葷粺鐨?I/O 姣斾緥
select substr(a.file#,1,2) "#", substr(a.name,1,30) "Name",
a.status, a.bytes, b.phyrds, b.phywrts
from v$datafile a, v$filestat b
where a.file# = b.file#;
5.鍦ㄦ煇涓敤鎴蜂笅鎵炬墍鏈夌殑绱㈠紩
select user_indexes.table_name, user_indexes.index_name,uniqueness, column_name
from user_ind_columns, user_indexes
where user_ind_columns.index_name = user_indexes.index_name
and user_ind_columns.table_name = user_indexes.table_name
order by user_indexes.table_type, user_indexes.table_name,
user_indexes.index_name, column_position;
6. 鐩戞帶 SGA 鐨勫懡涓巼
select a.value + b.value "logical_reads", c.value "phys_reads",
round(100 * ((a.value+b.value)-c.value) / (a.value+b.value)) "BUFFER HIT RATIO"
from v$sysstat a, v$sysstat b, v$sysstat c
where a.statistic# = 38 and b.statistic# = 39
and c.statistic# = 40;
7. 鐩戞帶 SGA 涓瓧鍏哥紦鍐插尯鐨勫懡涓巼
select parameter, gets,Getmisses , getmisses/(gets+getmisses)*100 "miss ratio",
(1-(sum(getmisses)/ (sum(gets)+sum(getmisses))))*100 "Hit ratio"
from v$rowcache
where gets+getmisses <>0
group by parameter, gets, getmisses;
select sum(pinhits-reloads)/sum(pins) "hit radio",sum(reloads)/sum(pins) "reload percent"
from v$librarycache;
9. 鏄劇ず鎵鏈夋暟鎹簱瀵硅薄鐨勭被鍒拰澶у皬
select count(name) num_instances ,type ,sum(source_size) source_size ,
sum(parsed_size) parsed_size ,sum(code_size) code_size ,sum(error_size) error_size,
sum(source_size) +sum(parsed_size) +sum(code_size) +sum(error_size) size_required
from dba_object_size
group by type order by 2;
10. 鐩戞帶 SGA 涓噸鍋氭棩蹇楃紦瀛樺尯鐨勫懡涓巼錛屽簲璇ュ皬浜?%
SELECT name, gets, misses, immediate_gets, immediate_misses,
Decode(gets,0,0,misses/gets*100) ratio1,
Decode(immediate_gets+immediate_misses,0,0,
immediate_misses/(immediate_gets+immediate_misses)*100) ratio2
FROM v$latch WHERE name IN ('redo allocation', 'redo copy');
SELECT name, value FROM v$sysstat WHERE name IN ('sorts (memory)', 'sorts (disk)');
12. 鐩戞帶褰撳墠鏁版嵁搴撹皝鍦ㄨ繍琛屼粈涔圫QL璇彞
SELECT osuser, username, sql_text from v$session a, v$sqltext b
where a.sql_address =b.address order by address, piece;
13. 鐩戞帶瀛楀吀緙撳啿鍖?
SELECT (SUM(PINS - RELOADS)) / SUM(PINS) "LIB CACHE" FROM V$LIBRARYCACHE;
SELECT (SUM(GETS - GETMISSES - USAGE - FIXED)) / SUM(GETS) "ROW CACHE" FROM V$ROWCACHE;
SELECT SUM(PINS) "EXECUTIONS", SUM(RELOADS) "CACHE MISSES WHILE EXECUTING" FROM V$LIBRARYCACHE;
鍚庤呴櫎浠ュ墠鑰?姝ゆ瘮鐜囧皬浜?%,鎺ヨ繎0%涓哄ソ銆?
SELECT SUM(GETS) "DICTIONARY GETS",SUM(GETMISSES) "DICTIONARY CACHE GET MISSES"
FROM V$ROWCACHE
14. 鎵綩RACLE瀛楃闆?
select * from sys.props$ where name='NLS_CHARACTERSET';
15. 鐩戞帶 MTS
select busy/(busy+idle) "shared servers busy" from v$dispatcher;
姝ゅ煎ぇ浜?.5鏃訛紝鍙傛暟闇鍔犲ぇ
select sum(wait)/sum(totalq) "dispatcher waits" from v$queue where type='dispatcher';
select count(*) from v$dispatcher;
select servers_highwater from v$mts;
servers_highwater鎺ヨ繎mts_max_servers鏃訛紝鍙傛暟闇鍔犲ぇ
16. 紕庣墖紼嬪害
select tablespace_name,count(tablespace_name) from dba_free_space group by tablespace_name
having count(tablespace_name)>10;
alter tablespace name coalesce;
alter table name deallocate unused;
create or replace view ts_blocks_v as
select tablespace_name,block_id,bytes,blocks,'free space' segment_name from dba_free_space
union all
select tablespace_name,block_id,bytes,blocks,segment_name from dba_extents;
select * from ts_blocks_v;
select tablespace_name,sum(bytes),max(bytes),count(block_id) from dba_free_space
group by tablespace_name;
鏌ョ湅紕庣墖紼嬪害楂樼殑琛?
SELECT segment_name table_name , COUNT(*) extents
FROM dba_segments WHERE owner NOT IN ('SYS', 'SYSTEM') GROUP BY segment_name
HAVING COUNT(*) = (SELECT MAX( COUNT(*) ) FROM dba_segments GROUP BY segment_name);
17. 琛ㄣ佺儲寮曠殑瀛樺偍鎯呭喌媯鏌?
select segment_name,sum(bytes) space,count(*) ext_quan from dba_extents where
tablespace_name='&tablespace_name' and segment_type='TABLE' group by tablespace_name,segment_name;
select segment_name,count(*) from dba_extents where segment_type='INDEX' and owner='&owner'
group by segment_name;
]]>Oracle鏌ヨ琛ㄧ┖闂翠嬌鐢ㄦ儏鍐碉紙緇忓吀綃囷級錛堟敞錛氳漿杞戒簬http://www.examda.com/oracle/zixun/hangye/20090802/093845216.html錛?/title>http://m.tkk7.com/anchor110/articles/336815.html灝忎竴璐ユ秱鍦?/dc:creator>灝忎竴璐ユ秱鍦?/author>Tue, 02 Nov 2010 08:12:00 GMThttp://m.tkk7.com/anchor110/articles/336815.htmlhttp://m.tkk7.com/anchor110/comments/336815.htmlhttp://m.tkk7.com/anchor110/articles/336815.html#Feedback0http://m.tkk7.com/anchor110/comments/commentRss/336815.htmlhttp://m.tkk7.com/anchor110/services/trackbacks/336815.html--鏌ヨ琛ㄧ┖闂翠嬌鐢ㄦ儏鍐?/strong>
SELECT UPPER(F.TABLESPACE_NAME) "琛ㄧ┖闂村悕",
D.TOT_GROOTTE_MB "琛ㄧ┖闂村ぇ灝?M)",
D.TOT_GROOTTE_MB - F.TOTAL_BYTES "宸蹭嬌鐢ㄧ┖闂?M)",
TO_CHAR(ROUND((D.TOT_GROOTTE_MB - F.TOTAL_BYTES) / D.TOT_GROOTTE_MB * 100,2),'990.99') || '%' "浣跨敤姣?,
F.TOTAL_BYTES "絀洪棽絀洪棿(M)",
F.MAX_BYTES "鏈澶у潡(M)"
FROM (SELECT TABLESPACE_NAME,
ROUND(SUM(BYTES) / (1024 * 1024), 2) TOTAL_BYTES,
ROUND(MAX(BYTES) / (1024 * 1024), 2) MAX_BYTES
FROM SYS.DBA_FREE_SPACE
GROUP BY TABLESPACE_NAME) F,
(SELECT DD.TABLESPACE_NAME,
ROUND(SUM(DD.BYTES) / (1024 * 1024), 2) TOT_GROOTTE_MB
FROM SYS.DBA_DATA_FILES DD
GROUP BY DD.TABLESPACE_NAME) D
WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME
ORDER BY 1 --鏌ヨ琛ㄧ┖闂寸殑free space
select tablespace_name,
count(*) as extends,
round(sum(bytes) / 1024 / 1024, 2) as MB,
sum(blocks) as blocks
from dba_free_space
group by tablespace_name; --鏌ヨ琛ㄧ┖闂寸殑鎬誨閲?/strong>
select tablespace_name, sum(bytes) / 1024 / 1024 as MB
from dba_data_files
group by tablespace_name; --鏌ヨ琛ㄧ┖闂翠嬌鐢ㄧ巼
select total.tablespace_name,
round(total.MB, 2) as Total_MB,
round(total.MB - free.MB, 2) as Used_MB,
round((1 - free.MB / total.MB) * 100, 2) || '%' as Used_Pct
from (select tablespace_name, sum(bytes) / 1024 / 1024 as MB
from dba_free_space
group by tablespace_name) free,
(select tablespace_name, sum(bytes) / 1024 / 1024 as MB
from dba_data_files
group by tablespace_name) total
where free.tablespace_name = total.tablespace_name;
]]>Oracle閿欒錛歄RA-01033(娉細杞澆浜巋ttp://www.cnblogs.com/zaspring/archive/2009/05/20/1472740.html)http://m.tkk7.com/anchor110/articles/334639.html灝忎竴璐ユ秱鍦?/dc:creator>灝忎竴璐ユ秱鍦?/author>Tue, 12 Oct 2010 06:09:00 GMThttp://m.tkk7.com/anchor110/articles/334639.htmlhttp://m.tkk7.com/anchor110/comments/334639.htmlhttp://m.tkk7.com/anchor110/articles/334639.html#Feedback0http://m.tkk7.com/anchor110/comments/commentRss/334639.htmlhttp://m.tkk7.com/anchor110/services/trackbacks/334639.html閿欒緙栫爜錛歄RA-01033: ORACLE initialization or shutdown in progress
SQL*Plus: Release 9.2.0.1.0 - Production on 鏄熸湡涓?5鏈?20 22:07:45 2009
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
榪炴帴鍒?
Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.1.0 - Production