Oracle

First select your system version, 32-bit system Select 32-bit, 64-bit system can use 32-bit can also use 64-bit, recommended 64 bits! Oracle Database 11g 2nd edition (11.2.0.1.0) for Microsoft Windows (32-bit)Http://download.oracle.com/otn/nt/oracle1

Next: Oracle Audit and Database Firewall (AVDF) IntroductionOracle AVDF InstallationApplication experiment of ORACLEAVDF in 1.HISNext, we use the configuration to demonstrate a case of Oracle AVDF to his, first after completing the previous basic

Today there is a brother feedback, there is a SQL in 12C no problem, on the 11g error, error content is ORA-01417: Table can be externally connected to at most one other table. The following SQL is analyzed, which is abstracted as an example below.

The difference between basic table compression and advanced compression,Excerpt from MOS article difference between Basic Table Compression and Advanced Compression (Doc ID 1548187.1)Suitable for:Oracle database-enterprise edition-version 10.2.0.5

Sometimes when inserting data with Oracle's database, you need to determine if the data already exists.Our first idea is as follows: first execute the following SQL.Select COUNT (*) isexists from t_test_lll;Then determine if isexists equals 0 or not,

The default "&" in Sql/plus represents an alternative variable, that is, Sql/plus will ask you to enter an alternate value whenever the symbol appears in the command.This means that you cannot enter a string containing the symbol into the database

Problem Description:Oracle deletes 2000 records with primary key ID is slow and takes 12 minutes.Resolution process:1. First look at the SQL execution plan, the execution plan is normal, the cost is only 4, the primary key index is used.2. Review

1. Oracle Database Overview1.1. Structure and compositionOracle Database 11G has a total of 4 versions, Enterprise, standard, standard 1, and personal.1.1.1, Enterprise EditionAdvantages:High reliability. Prevent server failures, site failures, and

When migrating data using the Impdp/imp tool, warnings for invalid objects are often prompted and need to be handled as follows.1. Querying invalid objects for a specified userSu–oracleSqlplus/as SYSDBASql> Select Owner,object_name,replace

1. What is a pseudo column. Give some examplesIt is a column, which is a actual column in the table.Eg USER, UID, Sysdate, ROWNUM, ROWID, NULL, and level.Suppose Customer table is there has different columns like Customer no, payments. What would be

1, oracle11g default to Empty table is not assigned segment, so use EXP export oracle11g database, empty table is not exported.2. After setting the Deferred_segment_creation parameter to False, both the empty table and the non-empty table are

1. View questionable SQLSelectsubstr (To_char (s.pct,'99.00'),2)||'%'load, S.executions executes, P.sql_text from(Selectaddress, disk_reads, executions, pct, rank () over (order by dis K_reads desc) Ranking from(Selectaddress, disk_reads, executions,

1 logging in to an Oracle user Su-oracle 2 Enter the SQLplus, sweep the line @awrrpt. sql. Note that to specify the awrrpt.sql script path, it is recommended that you start by entering the specified directory as a convenience

configuration of multi-instance monitoringThree types of cases:1. One listener listens on multiple instances on one IP port2. One listener listens on multiple instances on a different IP port3. More than one listener listens to multiple

Original: [Original] Experience: ASP. NET Oracle deployment issues and workaroundsStreamlined beauty ...First, the environmentDevelopment environmentWin7 64bitVs2010Oracle 11g R2 64bitDeployment environmentWinserver R2 64bitOracle 11g R2

Project is b/s mode, placed on a Linux server, Tomcat and oracle11g on a server, Tomcat read database using C3P0 connection pool, has been relatively stable, so there is no pipe. Later, the Tomcat was placed under one win2008 and the database was

The demand is to count the sum of the salaries of different jobs in each department.Sql> select Deptno,ename,job,sal from emp;DEPTNO ename JOB SAL---------- ---------- --------- ----------SMITH Clerk 800ALLEN salesman 1600WARD salesman 1250JONES

How does this recertification requirement affect me? IF your Database certification credential is retired and you'll be notified via email so you must recertify on a current Database certification. The email is sent to the address

Oracle Source Host Oracle Target Host Host Platform CentOS6.2 (Final) CentOs6.2 (FInal) Host name Vick Rman IP Address 192.168.1.11 192.168.1.10 Instance

View the role of the current userSELECT * from User_role_privs;View system and table-level permissions for the current userSELECT * from User_sys_privs;SELECT * from User_tab_privs;View all the tables under the userSELECT * from User_tables;View all