Oracle

Description:JAVA springmvc+mybatis (Oracle and MySQL) HTML5 new tall still background framework bootstrap1. Support App phone app (Android and iOS) interface call2. New high-html5+css3.0+bootstrap development interface UI, beautiful and stylish,

Current system Environment Description:Win7x64+vs2012+iis7Current situation Description:Publishing the Web service, the following problem occurred while browsing: failed to load file or assembly "Oracle.web, version=2.112.1.0, Culture=neutral,

What is written below is commonplace on the Internet: Plsql Developer connection to Oracle database garbled problem. It's written here purely for personal records.Problems that were encountered last week. Native Win7, with Oracle 11GR2 free

Cache FusionIn practice, it is a block transfer between the SGA in each node of the cluster through the interconnection network, and the benefit is to avoid writing blocks to disk multiple times and re-reading them into the cache of other instances.

Original: Bat Start/Stop Oracle ServiceYour own computer is slow, especially installed oracle10g, service on and off with BAT file operation Easy PointOpen service@echo offnet start ORACLESERVICEORCLnet start ORACLEDBCONSOLEORCLnet start Oracleoradb1

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

An error occurred while executing the import command to the Oracle database, which probably means that the service name could not be found in TNSLet's talk about the resolution step1: Enter Oracle user, use Cat to view the. bash_profile file, locate

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,

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