Oracle

1. Shut down the database [Oracle @ RHEL5] $ sqlplus/as sysdba SQL> shutdown immediate; Ii. Disable listening [Oracle @ RHEL5] $ lsnrctl stop 3. Delete oracle_base I switched to root here. [Root @ RHEL5] # rm-rf/s01 3. Clear residual files [

Background processes are used to execute the actual maintenance tasks required to ensure database operation. For example, a background process maintains the buffer cache and writes blocks to data files as needed. Another process is responsible for

Importing and exporting Oracle Data imp/exp is equivalent to restoring and backing up oracle data. The exp command can export data from the remote database server to the local dmp file, and the imp command can import the dmp file from the local to

The syntax is the same as that of other SQL database tutorials.DELETE FROM COURSESWHERE COURSE_DESIGNATER = 'java110' Complex operations by conditions DELETE FROM CLASSCONVENINGSWHERE CLASSES_NUM_FK> 4AND CLASS_CONVENE_DATE = TO_DATE ('2017-02-15 00:

1. InstallOracle10g r2 Software2. Install the latest oracle 10g patch. I used the patch to upgrade to 10.2.0.2.3. Run Pre-Upgrade Information Tool. It is used to analyze the operations you want to perform before upgrading to 10 Gb, such as the

Willpower88 Method 1: the deadlock in Oracle is a headache. I have summarized some experience as a learning note.   1. Check which process is lockedCheck the V $ DB_OBJECT_CACHE View: SELECT * from v $ DB_OBJECT_CACHE where owner = 'user of the

Oracle Database Export and re-import 1. Export Database? 1 2 3 4 5 6 1. Completely export the database TEST, username scott password tiger, and export it to D: testDB. in dmp: [plain] exp scott/tiger @ TEST file = d: testDB. dmp full

Create statistical information for Composite Columns -- Checklist Structure Select * from scott. emp where 1 = 2; -- When a virtual column is created, the virtual column name is output. Select dbms_stats.create_extended_stats ('Scott ', 'emp',' (

On the aix platform, oracle software from tar in the rac environment is directly unwrapped to the new machine. If the target environment is a single machine, you need to disable the rac option. RAC OFF 1. Login as the Oracle software owner and

Comment: Oracle tablespace recovery solutions include user tablespaces, temporary tablespaces, system tablespaces, rollback tablespaces, and control files, the recovery of user tablespace, rollback tablespace, and control file is complex. This

Note: The password entered during database creation is to change the default password of the system, the password you need to enter when logging on with the system, sysman, and other system default identities is the modified password (the password

When we use a database, we always hope that the database content is reliable and correct. However, due to computer system faults (including machine faults, media faults, and misoperations ), databases may also be damaged, so it is imperative to

During Oracle operations, data is often inserted into multiple different tables at the same time. This statement is very suitable. "All" indicates a non-short-circuit operation, that is, if the First condition is met, you must run the following

The latest Oracle connection code should be configured with the environment variable: ClassPath =.; E: j2sdk14lib ools. jar; E: oracleora90jdbclibclasses12.zip The tested computer has an Oracle client installed and can be connected with SQLplus. /* *

DBAs often need to reinstall or install Oracle on new machines in their daily work. However, the waste of time, energy, and setbacks of each installation test the DBA's affordability, this article focuses on a simple method for copying and migrating

Few enterprises now have a complete methodology to turn SOA into reality, which makes Chinese enterprises that are or are trying to implement SOA somewhat skeptical. In August 4, Oracle officially released its "five steps to SOA" solution, which can

In our work, we may encounter the following situations: the data sent by the customer or colleagues to be investigated is not a dmp file, but an excel file, usually a table with a few records. recently I happened to have encountered this situation,

This article uses Oracle 11 GB and. net Enterprise Library to access the database.First, reference the following packageMicrosoft. Practices. EnterpriseLibrary. CommonMicrosoft. Practices. EnterpriseLibrary. DataThe following code returns a

Add function to oracle date add operation in SQL Server Oracle date add minutesHow does one add a day/hour/minute/second to a date value?Submitted by admin on Wed, The SYSDATE pseudo-column shows the current system date and time. adding 1 to SYSDATE

Oracle obtains all objects dependent on a package, including its sub-objects. A temporary table is used to record the nodes that have been traversed.At the same time, a number of layers are used to record the packages that have been traversed. High