Oracle

Oralce DatabaseFaults encountered during the operation are very difficult and need to be solved in a timely manner. Otherwise, they will have a bad impact on everyone's work, this requires you to master some Oralce database disaster recovery methods.

We know that the shared pool is an extremely important shared memory structure in the System Global Area and SGA. HoweverOracle DatabaseStore parsed and compiled SQL statements together with other content here. However, parsed SQL statements must be

InOracleDatabase,Control FileIs very important. It is used to record and maintain databases. When the database is restored, the server process and background process need to read various backup-related information from the control file. If the

OracleOperationRemote databaseYou can useCreate a DB LinkThis document describes the creation process in detail. Now let's get started. Assume that the local IP address is 192.168.1.11, database instance orcl, User name: tysp, password: test Remote

Oracle DatabaseHow to importDmp FileWhat about it? What are the settings required for import? This article introduces this process and hopes to help you. 1. delete user and user data (if the user and user data already exist) Run the drop user

Automatic expansion of Oracle 10 Gb tablespaceHow is it implemented? This article mainly introduces this part of content, hoping to help you. Method 1: Management Interface em Command: ALTER TABLESPACE "TBS_NAME"   

Insert and display images in Oracle (BLOB type)Blob type for storing images in oracle First, create a database: -- Connect to the AdministratorConn sys/tbsoft as sysdba; -- Authorize scott user Grant create any directory to scott; -- Return to scott

  The first of the three major paradigms of database design is that the independent table structure must have a unique primary key to identify the table data. in the past, Microsoft's SQL Server (duo version) platform. manually encode the primary

  1. Data File migration It's easy, just three steps.   Step 1: Move the tablespace Offline to the directory specified by disk D.   Step 2: Modify the tablespace file path alter database rename file 'old file path' to 'new file path ';   Step 3:

  1. Oracle Cluster Registry (OCR)       OCR is used to solve the amnesia problem in the cluster,   The Cluster Environment configuration file is not stored in a centralized manner, but each node has a local copy. When the cluster runs normally, you

I am going to review oracle today. oracle was previously installed. I re-installed the system and probably re-installed the system, which has an impact on it. In the service table, I found that the lister item is missing. Therefore, oracle was

I. Problem description a project team calls and says there is a materialized view with more than 20 thousand entries in the source table, which is refreshed every 5 minutes, this causes a sudden increase in Oracle Database archive logs. Ii. Problem

Oracle SQL INSERT special character statement for INSERT database data statement: INSERT INTO TESTTAB (FIELD1) VALUES ('test') if there are single quotation marks in the string inserted INTO the database, escape processing is required, insert "It's

Explore the RMAN_05 Incremental backup link in ORACLE: Explore the RMAN_01 concept in ORACLE http://www.bkjia.com/database/201205/132243.html Explore the basic use of RMAN_02 in ORACLE http://www.bkjia.com/database/201205/132329.html ; Explore

The Oracle database uses undo to ensure consistent read and dirty read. User A updates the table and does not submit the table. User B queries the table, unsubmitted updates cannot appear in the user's query results. Instance simulation: the data in

Install and use the Oracle Instant Client on the Oracle website as needed ( http://www.oracle.com/technetwork/database/features/instant-client/index-097480.html Download the corresponding Instant Client Version package, the description of each

Typical questions and answers from Oracle 1. Explanations of differences between cold backup and hot backup and their respective advantages answer: Hot Backup is applicable to databases in archive mode when the database is still working. Cold backup

Without third-party tools, view SQL Execution plans SQL> connect sys as sysdba -- create the table SQL used by the execution plan> @? \ Rdbms \ admin \ utlxplan grants the Autotrace permission to each user by using the following methods. If you need

Oracle ORA-01704: string literal too long problem analysis today when using SQL in oracle to directly insert update a table, the error of ORA-01704: string literal too long occurs, our SQL is [SQL] update mall_config a set. category_info = '|

The connection to the host cannot be opened. when the project is started today on the port 1521: connection failure solution, a prompt is displayed that the remote Oracle cannot be connected. I tried to telnet port 1521 of the Oracle server,