Oracle

Using shell scripts to monitor and manage Oracle databases will greatly simplify the workload of DBAs, such as common monitoring of instances, monitoring of monitors, monitoring of alarm logs, backup of databases, automatic mailing of AWR report,

1. In loop formDECLARECURSOR C_sal is SELECT employee_id, first_name | | Last_Name ename, SalaryFrom employees;BEGIN--Implicitly open cursorsFor v_sal in C_sal LOOP--implicitly executes a FETCH statementDbms_output. Put_Line (To_char (v_sal.employee_

Raw (size): The original binary data of size byte, the maximum value of size is 2000 bytes;Raw type benefits: When raw data is transferred between computers in the network, or when raw data is moved from one database to another using the Oracle

A telecom operator 3G system establishes a number checking system with a 4G system because the number status of the two systems is inconsistent. The source side uses the Oracle Goldengate software, the target side uses the Kafka self-write cue

In daily work, there have been several encounters with the Oracle database that have established new jobs but do not perform the problem. Write it down for everyone to share.We are in the dailyDbms_job This package set up the relevant work, but the

Installation Environment:Redhat ES 5.5 64-bit, system memory 8g,swap 10G, Oracle 11G R2 Standard EditionOne, Oracle pre-installation PreparationCheck the package and you must install it all:binutils-2.17.50.0.6compat-libstdc++-33-3.2.3compat-libstdc+

For the purpose of Medicator and OSB (Oracle Service Bus), the concept of decoupling polymorphism is very similar from the architecture design pattern. By proxy agent, the implementation of a real service is hidden, so that the service-dependent

The decode () function is one of the most powerful functions of Oracle PL/SQL and is currently available only to Oracle Corporation, where SQL implementations of other database vendors do not yet have this function.Tools/Materials •

After the successful installation of the Oracle database will have a default user name and password, because there is no collation, each use of Baidu is very troublesome, so now put these all tidy up, also convenient for later use:Connect using the

Rman Backup command Backup Database format= '/home/oracle/backup/bak_full_%u_%t ' tag= ' bak_full ';SQL ' alter system archive log current ';Backup Archivelog all tag= ' Arc_bak ' format= '/home/oracle/backup/arch_%u_%t ' delete

The most important thing about Oracle tree queries is the Select...start with ... connect by...prior syntax. Depending on the syntax, we can list a table-shaped structure in the order of the tree. Below is a list of common query methods for tree

This article address http://comexchan.cnblogs.com/, author Comex Chan, respect intellectual property rights, reproduced Please indicate the source, thank you!Many of our components need to use Oracle's latest version of the JDK, so we need to

1.select Count (*) from employees where last_name like ' _a% '; key:02.select count (*) from Employeeswhere to_char (hire_date, ' YYYY ') =1998;select count (*) from employeeswhere hire_date like '%98 '; key:23select to_char (hire_date, ' YYYY ')

I. PL/SQL Developer Development ToolsPL/SQL Developer is an integrated development environment (IDE) for developing PL/SQL blocks, which is a standalone product, not a companion to Oracle.Second, PL/SQL IntroductionWhen developers use PL/SQL to

Account expires, the user must change the password, the account can be reused.But sometimes, because of various reasons, we do not know the original password of the plaintext is what, but many times can not modify the existing password, fortunately,

Oracle Study-aix6.1 Building Oracle 11gR2 RAC (1)Environment:Operating System: AIX 6100-09 (SP3)cluster:hacmp6.1Cluster Software: GI 11.2.0.1Database: Oracle 11.2.0.1There are two ways in which RAC can be used to build an AIX platform based on

Original url:http://www.2cto.com/database/201203/122387.htmlOracle Cursor Concepts Explained What is a cursor?      ① retrieves the result set from the table, and the mechanism from which each point points to a record for interaction.   The

1. Download Oracle client on official website (login

"How to update with views"There is a need for a table, B table, the Name field in table B is updated to the name in table A, two tables have ID associated with the code as follows:Update (select A.name aname, B.name bname from a, b b where a.id =

ICINGA2 installation configuration Check_oracle_health process 1. InstallationBecause Check_oracle_health is written in the Perl language, before installing the plugin, you first install the client instance of Oracle, which is the Oracle plug-in