Oracle

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

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

RDA is the short name of the remote Diagnostic Agent, the tool that Oracle uses to collect and analyze the database, and the tool does not change any of the system's parameters, and the data collected by RDA is comprehensive and can be used for

Oracle | PL/SQL Check constraint usage detailed1. Targetexamples of how check constraints (Create, enable, disable, and delete) are used in Oracle2. What is a check constraint? A check constraint refers to adding additional restrictions to a table's

The current research direction has been in the database with the server, the Oracle database often encountered, downtime, file corruption, file loss and other failures, and is currently writing software, let us look at the highlights of it! No

Query Character SetSql> select * from Nls_database_parameters;Nls_charactersetAl32utf8Character set is important when backing up, otherwise it will be garbledOne, Level 0 backup (full) Red is to be modified, depending on the location of the personal

1. static sqlsql and dynamic SQLThe Oracle compiled PL/SQL program block is divided into two types: one for the pre-assembly (early binding), that is, the SQL statement is determined during program compilation, most of the compilation is of this

What is a session?In layman's terms, a session is a context in which both parties communicate from the beginning of communication to the end of the communication. This context is a server-side memory: Logs the client machine for this connection,

http://blog.csdn.net/zhoufoxcn/article/details/1762351 first assume that there is a table:CREATE TABLE S_depart (Departid INT NOT NULL,Departname NVARCHAR2 (+) NOT NULL,Departorder INT Default 0,Constraint Pk_s_depart primary KEY (Departid));In

This article describes the Oracle database method for cross-Library queries using Dblink, the Oracle Dblink cross-Library query tutorial, which is required by a friend reference. Oracle Dblink cross-Library queriesMethod One:First, create a database

Between my ability is limitedThis method is only suitable for small data volumesA huge amount of data, another way to find him.Step One: Write the bat batch fileEcho is removing the spare files and logs from 7 days ago ...

First, configuration monitoringOpen NET Configuration Assistant in the Oracle Configuration and Porting tool, then click Next.Click Next, then enter the name of the listener and click NextAfter clicking NextClick NextClick NextSelect No, click

One, in the configuration file, the Oracle connection string is stored1. Connection string:"Data source=127.0.0.1/test;user id=xxx;password=xxx;provider= ' oraoledb.oracle '"2.provider[providers], there are two kinds: ' oraoledb.oracle ' for Oracle,

The difference between Oracle dynamic registration and static registration: Dynamic monitoring does not require any information about the data to be recorded in the Listener.ora file, only the configuration information of the listener is written to

Failure Log and summary of successful installation of oracle ebs 12.20 (1), ebs12.20 Oracle ebs must be installed for form development because of the company's business needs. Therefore, it is difficult to install oracle ebs. In the beginning, we

ORACLE lab 2 Experiment 2: Data manipulation Lab hours: 4 hours Lab type: Comprehensive Lab requirements: Required I. Tutorial Purpose 1. Master SQL data query statements; 2. Master the use of SQL Aggregate functions; 3. Master the use of SQL insert,