Oracle

The database and the client are on different machines.Before installing, navigate to the following folder on the server where the Oracle database is installed.Change localhost in Listener.ora and Tnsnames.ora to the IP address of the machine, my 192.

Flash back area full:OS:RM-RF [Archivelog autobackup backupset controlfile Flashback Onlinelog]Eg:Archivelog autobackup backupset controlfile Flashback Onlinelog[Email protected] prod]$ CD autobackup/[[email protected] autobackup]$ ls2014_10_13 2014_

When you log on Sqlplus by running->cmd->sqlplus/nolog, you suddenly notice that "sqlplus is not an internal or external command, noris a program or batch file that can be run, such as:After analysis feel impossible ah, because yesterday use normal,

Legend: The following parameter name abbreviations are used in this diagram:MT = Memory_targetMMT = Memory_max_targetST = Sga_targetPAT = Pga_aggregate_targetSMS = Sga_max_sizeWhen Memory_target is set to a value other than 0:If Sga_target and

Oracle does not have the top number feature of SQL Server. Can only be achieved in the form of a periodCode implementation paging, parameters curpage the current page, pageSize per page row, calculate the starting end page numberint startpage =

Cannot be configured today when configuring Oracle Net Manager, click the service name there is no node, Green Plus no responseLater on the internet is because there are spaces in the TNSNames file that causeFile path:

The drop tables and indexes are stored in the Recycle bin ( so the Recycle Bin function must be set for the production database )Because this generation environment after dropping the existing table, re-create a lot of tables, all the direct

Transferred from: http://blog.csdn.net/basenet855x/article/details/6694150Problem:Select Item.itemnum,item.in1,item.in4,inventory.location from Item,inventorywhere Item.itemnum=inventory.itemnumand inventory.location= ' Dyb 'and item.in1= '

The previous article continued, the book connected to the last time, this toss data guard an important purpose is to use switchover to achieve machine upgrade, how switchover it? As I understand it, the role switching of Data guard is a process:(1)

Wm_concat (colname) is a built-in function for data-to-data transfer in Oracle 10g, with the following effects:Table T A B------------ 1 2 1 3 1 4 2 1 2 3Execute statement:SELECT from GROUP by AExecution Result: A

An error occurred while importing the oracle11g dmp file to oracle10g: Header Verification Failed --- Solution R & D personnel encountered the following problem: Problem description: The following error is reported when the dmp file exported from

Oracle block damage and recovery 1. What is block damage: Damaged data blocks refer to data blocks that are not in identifiable Oracle format or are inconsistent internally. In general, damage is caused by hardware faults or operating system

Oracle data dictionary and oracle dictionary I. Data DictionaryA data dictionary is a place where oracle stores database information. Almost all system information and object information can be queried in the data dictionary. Data dictionary is the

ORA-01113: file xxxx needs media recovery, ora-01113needs Because of the standard storage location and storage space adjustment, you need to move the data file MRP_INDEX2 in the tablespace, as shown below. First, take the tablespace MRP_INDEX2

Self-exercise linking jdbc to Oracle databases Import a new project in myeclipse Right-click> import> General> existing...> next> select root> browse> Project> finish Export jar package Right-click> properties> java build path> libraries> ojdbc14

Notes for using a session-based temporary table in OracleThere are two temporary tables in Oracle. One is session-based, that is, data is cleared after a commit occurs, and the other is session-based. When a session is disconnected, data is cleared.

Database Oracle enhanced exercises for multiple table queries 1. List the names of all employees and their immediate superiors Select a. ename, a. mgr, B. ename, B. empno From emp a, emp B where a. mgr = B. empno (+ ); 2. List department names and

Oracle Database Export and Import You need to export the data in database A to the *. dmp file, and then import the *. dmp file to database B.1. Export Database A. Enter the following command in the cmd window: Export all databases Exp username/

Oracle database backup and recovery (expdp and impdp) Reference: http://blog.csdn.net/oraclemch/article/details/5551634 Oracle 11g beginner's Guide Http://www.cnblogs.com/netsql/articles/1745978.html The materials on the Internet are fragmented, and

Oracle flash back table experiment Job: flashback table experiment 1. Construct the flb_test table, with no less than 10000 rows of data; TEST_USER1 @ PROD> create table flb_test (id number, dd date ); Table created. TEST_USER1 @ PROD> begin2 for I