Oracle

Error one: After configuring the source and target databases, create a replication administrator. After you connect the replication administrator, perform the maintain_table process in the Source library:declare v_tables dbms_utility.

Oracle grabs archived logs from the backup set Method In Dalian Hospital encountered this problem, the database is archived state, but after the archive, Rman through the crontab automatically prepare the archive log and delete the existence of the

1. The connection order in the WHERE clause:Oracle parses the WHERE clause in a bottom-up order.According to this principle, the connection between tables must be written before other where conditions, and those conditions that can filter out the

Or the use of silent installation, manually built the library after completion. This error has been reported at the time of installation of the OEM. Here is a slightly documented solution:Database connection through listener failed. Fix the error

1.char is fixed-length, for example, you define a column type of char (20). So even if you insert "ABCDE" 5 bytes, the database will automatically add 15 bytes (possibly a space) to complement the 20 bytes.2.vcharVchar are long. For example, if you

--Query the foreign key for all tables of the user, owner condition is userSELECT * from user_constraints c where c.constraint_type = ' R ' and C.owner = ' A ';--delete foreign keys for all tables of the user, owner condition is userSelect ' ALTER

Description:Because many systems do not support the use of OPENJDK, it is necessary to install Oracle JDK under Ubuntu. While the installation of Oracle JDK does not seem to provide the apt way, so the way to install Oracle JDK is relatively

I. Oracle pfile/spfile differencesPfileThe default name is "init+ routine name. Ora" file path: E:\oracle\product\10.2.0\db_1\dbs, which is a text file that can be opened with any text editing tool.SPFileThe default name is "spfile+ routine name.

# su-oracleOracle> sqlplus "/as sysdba"sql> exec dbms_scheduler.disable (' Monday_window ');sql> exec dbms_scheduler.disable (' Tuesday_window ');sql> exec dbms_scheduler.disable (' Wednesday_window ');sql> exec dbms_scheduler.disable ('

Manually Brush Oracle StatisticsSelect COUNT (1) from Log_trx_detail;SELECT * FROM user_tab_statistics WHERE table_name = ' log_trx_detail ';exec dbms_stats.gather_table_stats (' Ardb ', ' acct_balance ', cascade = TRUE);exec dbms_stats.gather_table_

"Odp.net Managed" has been released for some time, recently there is a new project, want to try to use, refer to the Garden article: ". NET Oracle Developer Gospel--odp.net Managed officially launched" to the Oracle website download ODP.NET_Managed12

Oracle cannot import an empty table solutionC:\users\administrator>sqlplus/as SYSDBASql*plus:release 11.2.0.1.0 Production on Sunday August 17 19:24:29 2014Copyright (c) 1982, Oracle. All rights reserved.Connect to:Oracle Database 11g Enterprise

American_america. WE8ISO8859P1, this character encoding is a Western European character encoding, which corresponds to. NET is the iso-8859-1 character encoding, so only need to change to the system's default character encoding on the

Oracle ODBC ConfigurationWin7 64-bit installation of Oracle ODBC you cannot install a data source by using the data source (OBDC) in Administrative Tools, Control Panel.Instead, enter the C:\Windows\SysWOW64\odbcad32.exe installation data source in

Oracle spatial can easily store spatial data, and large amounts of spatial data must be queried using spatial indexes. Creating a spatial index in Oracle requires that metadata be established before the index can be created. To create the code for

Oracle Cluster Ready Service (Oracle Cluster Readiness Services)Amnesia: Amnesia, configuration information in multiple nodes is not uniform, with the old configuration file, resulting in configuration loss.Use OCR to resolve in RAC.Split Brain:

--Create Session temp TableCreate global temporary table tmp_user_session (user_id int, user_name varchar2 (), User_email varchar2 (30))--This sentence indicates that the data is persisted when the transaction commitsOn commit Preserve

A tablespace is a logical division of a database, and a table space can belong to only one database. All database objects are stored in the specified table space. But the main storage is the table, so called table space. There is at least one

Oracle Installation Error: environment does not meet requirements In the past, I often encountered this problem when installing Oracle, and I didn't care too much about it. I modified the cvu_prereq.xml file under the client \ stage \ cvu directory (

ORA-21561: OIDgenerationfailed A very strange problem occurs: linux5.8 + oracle 11.2.0.3 When starting the database, an error is reported: [Oracle @ tivoli02 ~] $ Sqlplus/as sysdba SQL * Plus: Release 11.2.0.3.0 Production on Thu Oct 23 21:23:16 2014