Oracle

  In the R & D center, a database running oracle and sqlserver on Windows is an old machine with three hard disks attached, however, I recently received a request from my colleague saying that the disk where the oracle database data file is located

  Today, I made a simple test of database pressure and shared something. Server Status:   Operating system version: CentOS 5.6-64 Cpu: Intel (R) Xeon (R) CPU X5660 @ 2.80 GHz * 24 Memory: Mem: 16425876 Swap: 32764556 Database Version:

Create Table abcCreate table abc (a varchar2 (10), bvarchar (10 ));Add a columnAlter table abc add c number;Delete a columnAlter table abc drop column c;Delete tableDrop abc;Data Control Language,Grant select permissionGrant select on [tablename] to

This article describes how to use RMAN in step by step mode. Generally, the directory database and target database of the Backup directory should be stored on different machines, where the two databases are on the same machine.Add in listener.

Today, when I use sqlplus to connect to Oracle on the server, I cannot connect to it. The database name on the server is cebdsp, and tnsnames. ora is configured Cebdsp =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP) (HOST = 192.168.1.101) (PORT = 1521 ))(

1. About PL/SQLStands for "Procedural Language extension to SQL"Is Oracle Corporation's standard data access language for relational databasesProdides a block structure for executable units of code2. PL/SQL Block StructureDECLARE

Using the Bind Variable can reduce SQL PARSE, but using the Bind Variable has a bad point: Incorrect execution plan may be used for a column with skew. Before Oracle 9i, if the WHERE condition contains all When binding variables, you can only use

Oracle modifies the Name of TableSpace Before Oracle10g, the name of tablespace cannot be modified at will. It can only be dropped and re-built. However, after 10g, oracle added the modification function, except for the system and sysaux tablespaces,

[Root @ bt bin] #./sqlplus ./Sqlplus: error while loading shared libraries:/home/mnum/app/mnum/product/11.2.0/dbhome_1/lib/libclntsh. so.11.1: cannot restore segment prot after reloc: Permission denied Solve the Problem of libclntsh. so first: [Root

Export: SQL> create directory dump_dir as 'e: \ ORA11GBAK 'SQL> grant read, write on directory dump_dir to icdmain; next, we will export data: expdp icdmain/icd directory = dump_dir dumpfile = icdmain090522.dmp job_name = ICDMAIN_EXPORT PARALLEL

I believe everyone will be familiar with Oracle data import and export. As I have encountered similar problems many times, record them.Question: How can I import and export data between different users? Instance: Use twc to export twc. dmp data from

ORA-12545 Errors often occur when a remote client connects to the RAC database over a uniform service name. SQL code SQL> CONN NDMAIN @ nuagerac enter the password ****** connected. SQL> CONN NDMAIN @ nuagerac enter password: ***** ERROR: ORA-12545:

IMP-00003: solution to ORACLE error 959 ORALCE 11G X64 is the most common Import and Export method. IMP-00003: ORACLE error 959ORA-00959: tablespace 'xxxxxxxxxxxxxxxxx' does not exist. I did not pay attention to it before, but lost several tables. I

Install oracle 11G on Fedora 16/Etc/sysctl. conf ------------------------------------------- fs. aio-max-nr = 1048576 fs. file-max = 6815744 kernel. shmall = 2097152 kernel. shmmax = 536870912 kernel. shmmni = 4096 # semaphores: semmsl, semmns,

Insert into... in ORACLE syntax... SELECT... statement to directly Insert the data in a table into another table set feedback off; set pagesize 0; create table foo (a number, B varchar (10), c varchar (10 )); insert into foo values (15, 'abc', 'def '

In oracle 10 Gb, a database is created. By default, three control files are created: control01.ctl, control02.ctl, and control03.ctl. You can manually add some control files to the database. When the data is opened, we can use show parameter control

ORA-12547 error handling this morning around, the leaders told me, let me help a colleague to ORACLE Installation, he encountered problems in the installation process, error, unable to continue to install. I. Due to the NLS_LANG setting error, cause

Oracle deletes duplicate data databases without a primary key. If you want to set a primary key, duplicate data is found in the table. The following code deletes duplicate data: -- Create a test table -- Create tablecreate table TEST_T1 (test_id

One oracle note table allows Statistics of multiple fields (multiple count: count the total number of tickets in the WAIT_ORDER table, the total number of unprocessed tickets, the total number of completed tickets, and the total number of incomplete

How to insert data nsert into table values ('th product's name', 25, '05-MAY-07 ') containing a single marker in oracle ');This statement reports an error: ORA-01756: quoted string not properly terminated to INSERT data containing a single