Oracle

1. Why Learn Oracle? Superior Performance: Small database Medium Database Large database Acess, Foxbase MySQL, SQL Server, Informix Sybase, Oracle, DB2

First, B-tree indexThree main features: low height, stored column values, orderly structure1.1 optimize with index featuresIndex on foreign keys: not only can improve query efficiency, but also can effectively avoid the competition of the lock (the

Operating system Environment: WINDOWS8.1Tools: Oracle 11g-r2 SQL DeveloperNetwork resources: http://sourceforge.net/project/showfiles.php?group_id=33291&package_id=25350&release_id=534076Login above address select Jtds-1.2.2-dist.zip to download,

How to get a database connection: 1. Driver Interface: ? The Java.sql.Driver interface is the interface that all JDBC drivers need to implement. This interface is provided to the database vendors, different database vendors to provide different

Summary: PL/SQL (procedural language/structured Query Language) is a procedural language that belongs to a third-generation language that is as focused on processing details as C, C + +, and Java, and can be used to implement more complex business

Examples of using Oracle official documentation (11G)The following is the official Oracle document interface, want to learn Oracle, read official documents is the only way, this article to give beginners a general understanding of the use of

This article focuses on the complete steps for creating a tablespace for Oracle 10g, including the creation and deletion of tablespaces, the creation of users for the app, and the granting of permissions, to help you. AD:WOT2014: User labeling

• Explains the differences between user-managed backup and recovery and server-managed backup and recovery • Perform user-managed database Full recovery • Perform user-managed database incomplete recovery Types of use for backup and

1) Install Oracle 11g 64-bit, I use the version: Http://www.oracle.com/technetwork/database/enterprise-edition/downloads/112010-win64soft-094461.html2) Install the 32-bit Oracle Client (instantclient-basic-win32-11.2.0.1.0) as: Http://www.oracle.com/

Using the Support Workbench Using the Enterprise Manager Support Workbench with the Support Workbench, you can investigate, report, and (some cases) to resolve the issue:1. On the Database home page of Enterprise Manager, review critical Error

1. Build Oracle RAC 11g cluster on Oracle Enterprise Linux and ISCSI2. All shared disk storage for Oracle RAC will be based on ISCSI,ISCSI using Openfiler version 2.3, which runs on the third node, which is referred to as the networked storage

Oracle PL/SQL language (procedural language/sql) is a combination of structuredQuery and Oracle's own process control as one of the powerful language, PL/SQL not only support more data types, with self-Variable declarations, assignment statements,

The ORACLE tutorial is about the concept, usage, planning, and problem solving of Oracle rollback segments. Rollback segment management has always been a problem in ORACLE Database Management. This article introduces the concept, usage, planning,

Oracle backup tools, file naming formats, and rman operations I. Common tools: Recovery Manager: rman can only perform Hot Standby (mount or open state)Oracle Secure BackupUser-managed backup: cp/dd [if =/of =/blocksize =] Ii. rman naming The rman

Alter table t move and alter table t shrink space can both be used for CIDR and CIDR to reduce the HWM,It can also be used to eliminate Row Chaining and Row Migration ),But there are the following differences:1) Using alter table move will contract

1. What is a cursor?① Retrieve the result set from the table and point to a record for interaction at a time.② Operations in relational databases are performed on the complete set of rows.The row set returned by the SELECT statement includes all

Oracle GoldenGate Security Configuration series: Control GoldenGate using the ticket sec FileCommand User Access Permissions recently used by multiple vendors in the History Query Library of the production environment. goldengate synchronization is

Can ssd be used as a redo disk? 1. ssd has write wear and tear, and the ssd write performance is not very good. ssd is only very good for random reading, because it does not need to be searched. Ssd is easy to damage. 2. index tablespace and

Insert statement Syntax: insert into table [(column1, column2. ..)] values (value1, value2 ...); Note: An insert statement can insert only one record to a table at a time. When you list the default field names, you should explicitly set new values

The ORACLE tutorial is to analyze and solve common Oracle error codes. When using ORACLE, we often encounter ORACLE errors. For Beginners, these errors may be a bit vague and may not know how to handle these errors at the moment, I will analyze