Oracle

Advanced Database Programming1. PL/SQL Introduction:PL/SQL stands for procedural language/sql (procedural Language: Process language)It's an extension to SQLTight securitySeparates the application logic between the client and server, and the client

(Related data integration)First, overall, this is a connection string to the Oracle database, indicating the URL of the connection database, which can be understood as three-part-〉 Protocol (JDBC): Sub-Protocol (Oracle:thin): Data source

Conditions1.Linux RHEL 6.X x86_64 operating system2. This acquisition of Oracle-related files (same OS) from the server installing OracleserverSoftware downloadFrom Oracle Package:1) instantclient-basic-linux.x64-11.2.0.4.0.zip (59.282MB)2)

--Establish table test1CREATE TABLE TEST1(ID VARCHAR2 (+) default Sys_guid (),Tdate VARCHAR2 (200))Tablespace App_tx_dataPctfree 10Pctused 40Initrans 1Maxtrans 255Storage(Initial 64KMinextents 1Maxextents Unlimited);--Insert Date time Format

Just learn Oracle and learn the code of others. This code is extracted from the following blog post: http://www.cnblogs.com/mq0036/p/4155774.htmlDeclarel_deptinteger:= -; Currtime Date:=sysdate; L_namvarchar2( -) :=To_char (Add_months (Trunc

Turn from:http://blog.csdn.net/lyc_daniel/article/details/44195515VirtualBox inside there is a home button, note that the home key is not necessarily a keyboard home, but set a key, the default right ctrl is said home, sometimes set their own do not

In Oracle, the primary function of the Sys_connect_by_path function is to differentiate all child nodes under a parent node by a character, and then connect to display in a single column. AD: The Sys_connect_by_path function in Oracle

Sometimes God is love and you joke, yesterday very hard to configure the Oracle, can be used with PL/SQL Normal login, today suddenly lost. And the error is very strange, there is no hint of what error code. Enter the user name password, click Login

Believe that this error is not unfamiliar to everyone, as long as the installation of the use of Oracle estimates have encountered this problem, generally in the use of PL/SQL connection to the Oracle database occurs.The cause of this error and the

I Linux small white, because the project must be under Linux under the use of Oracle began to explore. Installation process encountered a variety of problems and reasons, today tidy up the convenience of the back can be less detours.Indicate

SELECT *From T_info AWHERE (SELECT COUNT (*)From T_infoWHERE Title = a.title) > 1)ORDER by Title DESCOne. Find Duplicate Records1. Find all duplicate recordsSELECT * FROM table Where repeating field in (Select repeating field from table Group by

How To reference Data.OracleClient.dllSince from. NET 4.0, Microsoft has removed the OracleClient.dll from the framework, so to use, it needs to be in VS2010 to change the project's. NET Framework from. NET 4.0 to 3.5, solution-by-reference, add

Mother Egg. As a program that uses SQL Server for 4 to 5 years ape, start with Oracle really not used to. It's a hell of a different kind of notation. For example, write a statement like if EXISTS (SELECT * from sys.tables where name = ' xxxx ')

Oracle Table Partitioning details the concept and operation of partitioned tables from the following aspects: Table space and partitioned table concept table partitioning specific role table partitioning several types of table partitioning and how

1. Oracle 11g InstallationSlightlyFor detailed procedures, please refer to:Http://blog.sina.com.cn/s/blog_7c5a82970101excf.html2. Install the ORACLEASM packageRPM-IVH oracleasm-support-2.1.7-1.el5.x86_64.rpm oracleasmlib-2.0.4-1.el5.x86_64.rpm

Database Control is backed up after Oracle DB 11.2 releaseReference from:Database Control to being desupported in DB releases after 11.2 (Doc ID 1484775.1)Suitable for:Oracle server-enterprise EditionInformation in this document applies to any

Before we discussed the "Linux Oracle 11g dataguard Physical standby configuration process,"But in the actual process will encounter different problems, first we discuss the Oracle Dataguard three modes,Maximum protection : The configuration of this

1, abnormal phenomenon: TNS is not recognized2, exception Analysis: VS2010 start Debugging, an exception occurs. However, when using IIS as a server, there is no exception, that is, normal access to the database, and later analysis is due to VS

Theory:nbu use a automatic script to connect RMAN and backup databaseSteps:First,make a automatic script.Second,build a Oracle PolicyFirst:Make a automatic script. NBU have provide some scripts on it ' s client directoryYou can find it

Oracle442 application scenarios --------- PL/SQL Basics Bytes -----------------------------------------------------------------------------------The Application Scenario 207---231 is skipped after the backup and restoration of the database .....The