Oracle

/**locked*query locked object and analyse Reason,kill it**/select ' alter system kill session ' | | SID | | ',' || serial# | | ''';' From (select distinct A.sid, a.serial#, status, Machi NE, lockwait, logon_time from V$session A,

Oracle backup method mainly divided into data pump export backup, hot backup and cold backup three kinds, today first to practice the data pump backup and restore. Data pump export/import is a logical backup, both hot and cold backups are physical

The SQL used to write Oracle paging was: (1) SELECT *From (select A.*, RowNum rnumFrom (select ID, dataFrom T order by ID, ROWID) a)where Rnum >= 148 and rnumOr(2)SELECT *From (select A.*, RowNum rnumFrom (select ID, dataFrom T order by ID, ROWID)

Ora-01548:active rollback segment ' _syssmu1$ ' found in Oracle"Oracle Undo tablespace Recovery (no backup)" above http://www.linuxidc.com/Linux/2014-06/103779.htmUndo Table Space Loss for Rman backup and recovery http://www.linuxidc.com/Linux/2014

Ordinary people, not including all the usual in the development of the use of 32-bit PC, so the installation is also ORACLE32-bit client. However, the general server is 64-bit, and the 64-bit Oracle client is installed, and you may encounter version

--Data Dictionary SELECT * from Dba_jobs;select * from All_jobs;select * to User_jobs;select * from dba_jobs_running;Job_queue_process represents the number of jobs that Oracle can concurrentlyShow parameter job_queue_process;Alter system set

Ensure two data table structure is the same, if not the same can only synchronize the same field; Just the idea, please modify according to the requirements. Declare cursorCsrn_mon is Select * fromtable2; Row_mon

Detailed operation of the Oracle database to modify IP and host namesmodifying IP operations1. Modify the IP address of the host name in the Hosts file.2. Restart the server network service restart3. Be sure to first delete the original monitor emca-

A plain statement select * from T1, t2 where t1.id = t2.id and t1.name = ' a '; Under what circumstances is this statement most efficient?Table Connection Categories:1. Nested loops connection (Nested loop join)2. Sort Merge Connection (merge sort

Limit the number of links for a user, which can be achieved through Oracle's profile file1. View the Resource_limit parameters:Sql> Show Parameter Resource_limitIf False, set the Resource_limit parameter to True, that is, the resource limit is

 ---description Flash back database---Use the Flashback table to restore the contents of the table to a specific point in time past---Recovering from a delete table---Use a flashback query to view database content at any point in time---Use the

--Query the actual statistical informationSelect Num_rows,blocks,empty_blocks,avg_space,avg_row_len,sample_size,Last_analyzed from Dba_tableswhere UPPER (table_name) =Upper (' t_hs_inivbalanceexpentry ');--sql number of statements and fetchSelectSql_

First, the basic configuration1 Add Oracle driver file, Ojdbc6.jar, cannot use less than this version of the JDBC driver, jboss-4.2.3.ga\server\default\lib2 Increase Retrotranslator-runtime-1.2.3.jar,jboss-4.2.3.ga\server\default\lib3 Configuring

function return value sample displayCeil (n) the smallest integer greater than or equal to the value N, SELECT ceil (10.6) from TABLE_NAME; 11Floor (n) the largest integer less than or equal to the value N, SELECT floor (10.6) from TABLE_NAME; 10MOD

Using a template to build a composite partition greatly reduces the complexity of the script, the following is an experiment:--Building a composite partition without using a template methodsql> drop table test purge;Sql> CREATE TABLE Test(Owner

First of all, to carry out the PSU, the first thing is to seriously look at readme.html, from the inside we can know very detailed upgrade steps have been back to the program. And avoided a lot of pits.Before you proceed with the PSU, first confirm

Oracle-PLSQL Stored Procedure cursor when output parameter Baotou: Create or replace package ProdureceCursorData isType curtype is ref cursor; Type type_record is record ( Deptno NUMBER (2 ), Dname VARCHAR2 (14 ), Loc VARCHAR2 (13) ); PROCEDURE

PLSQL_Oracle External table concept and usage (CASE) (using external tables to directly query data files to partition database tablespaces), plsql_oracle Database 2014-08-25 BaoXinjian I. Summary ORACLE External tables are used to access Text files

Blob field value for accessing the oracle Data Link Access photo table Select * from zp @ dblink1 where a1 = '201312 '; Error: The ora-22992 cannot use the LOB locator selected from the remote table Change to the following method: Method 1:Drop

Enable and disable Oraclecloudcontrol12c The entire installation of Oracle cloud control 12c is complicated. The installation path, logon password, port number, and many other configurations are confusing. This article describes how to obtain the