Oracle

I. CentOS on-Build installation Bbed tool[Email protected] ~]$ CD $ORACLE _home/rdbms/Lib[[email protected]~]$ make-f ins_rdbms.mk $ORACLE _home/rdbms/lib/bbed can also generate bbed to $oracle_home with the following command/bin directory [[email

2 issues encountered during the installation process1) Hard RAID disk not recognized during installationT4-2 's 2 local disks do hard raid, the hard RAID disk is not recognized with Jumpstart installation, the error message is as follows: {0} OK

Term definitionsActive Session Pool resource group or sub-plan number of currently active sessions allowedADDM Automatic Database Diagnostic Monitor (automatic DB diagnostic monitoringProgramASM Automatic Storage Management (Automatic storage

Considerations for migrating data from MySQL to Oracle1. Automatic growth of data type processingMySQL has an auto-growing data type that does not manipulate this field when inserting records and automatically obtains data values. Oracle does not

Mathematical functions:ABS (n): Seek absolute valueSELECT ABS (-),ABS(from DUAL; -- get the absolute result of 15 :Bitand (x, y): Returns x, Y for bitwise AND (and) resultsSELECTBitand (1,0), Bitand (0,1), Bitand (0,0), Bitand (1,1), Bitand (1100,1

Assuming that the table named T,primary key is an ID, then:1-5000000SELECT t.*From T, (SELECT ID, row_number () over (ORDER by id) as num from T) as T1WHERE t.id = t1.id and T1.num 50000001-100000000SELECT t.*From T, (SELECT ID, row_number () over

Transfer from http://blog.csdn.net/welken/article/details/4971887 do database development or management people often want to create a large number of test data, there is no need to tens of thousands of, if one entry, it will waste a lot of time,

due to Oracle licensing issues, MAVEN3 does not provide Oracle JDBC driver, In order to apply the Oracle JDBC driver in a MAVEN project, you must manually add it to the local warehouse. first , to get the Oracle JDBC driver two ways 1. Download the

First we take a look at the code, then we explain and interpret the code:Declarel_deptinteger:= -; Currtime Date:=sysdate; L_namvarchar2( -) :=To_char (Add_months (Trunc (sysdate),- A),'YYYYMMDD');--to_char (sysdate, ' MM ') -13;type Num_list

First, create an employee table with the following SQL statement:CREATE TABLE employee ( ID Number (4), name VARCHAR2 () not NULL, gender CHAR (1) DEFAULT ' M ', birth DATE, salary Number (6,2), comn number (6,2), job VARCHAR2 (+), Manager

Today, friends on the AIX 5.3 system installed Oracle 10g build database is used bare device, DBCA to 2% error exit, observe alert log discovery is the temp table space caused by insufficient space. View the tablespace data file with a bare device

Display format for timestamp time in Oracle Oracle database Time field We usually use the timestamp format, and before setting it, the queried data is similar to "2 July-January-08 12.04.35.877000 Morning",After the To_char function conversion, we

The occurrence of bad blocks is rare, but the production system occasionally appears. If there is a physical backup, the processing is relatively simple, directly block-level recover can be, but if only a logical backup? There are four kinds of

Original: SQL Server access Oracle Query performance Problem Resolution1. Questions　　The system has a module that needs to query the data in the Oracle database. It is now implemented by establishing a linked server.　　SQL Server access to Oracle

Asp. NET operation of Oracle database fuzzy queryASP. NET MVC uses Oraclehelper helper classes to operate Oracle database1 //Connection string connecting to Oracle database2String connectionString = @"Data source= (description=

In the Oracle installation directory, there are 2 files, EXP.EXE and IMP.EXE, which are used to perform import and export of the database respectively. So Oracle data import and export imp/exp is comparable with Oracle data restore and backup.Oracle

Sqlplus on the command line.Log in as system, password is the system you set upC:\users\administrator>sqlplusSql*plus:release 10.2.0.1.0-production on Tuesday October 14 21:29:23 2014Copyright (c) 1982, 2005, Oracle. All rights reserved.Please enter

Trigger 7 (compound trigger) (Learning notes), compound trigger learning notesCompound triggerA composite trigger is a new structure trigger introduced after Oracle 11g. Composite trigger is both a table-Level Trigger and a row-Level Trigger. For

PLSQL _ Statistical Information Series 5 _ statistical information generation and restoration (CASE), plsql statistics 2015-02-01 Created By BaoXinjian I. Summary After the statistical information is re-generated, it is found that the program

Oracle technology _ 5 minutes will use stored procedure _ simple instances of stored procedure (including loops, conditions, addition and modification queries, parameter input, variable assignment, java calls, etc) Example business functions: 1.