Oracle

New Features of Oracle 11g (36 in total) I. Database Management ·1. Database Replay) This feature can capture the load of the entire data and pass it to a test database created from the backup or standby database, and then repeat the load to

1. Oracle startup and Shutdown 1. In a single-host environment To start or shut down the Oracle system, you must first switch to the Oracle user, as shown below: Su-Oracle A. Start the Oracle SystemOracle> svrmgrlSvrmgr> connect internalSvrmgr>

PL/SQL single-row functions and group functions A function has zero or multiple parameters and has a return value.Program. Oracle has a series of built-in functions in SQL, which can be called SQL or PL/SQL statements. functions are mainly

Openness: SQL ServerIt can only run on windows without any openness. The stability of the operating system is very important to the database. The Windows9x series products focus on desktop applications, and the NT Server is only suitable for small

Oracle jobs provides great database maintenance convenience for Oracle developers and database administrators. Before Oracle 9i, Oracle jobs were implemented by dbms_jobs, but after 10 Gb, DBMS_Scheduler was added. The two can also add Oracle jobs,

Using shell scripts to monitor and manage Oracle databases will greatly simplify DBA workload, such as common instance monitoring, monitoring, and alarm log monitoring, and database backup, AWR report automatic mail, etc. This section describes how

Using shell scripts to monitor and manage Oracle databases will greatly simplify DBA workload, such as common instance monitoring, monitoring, and alarm log monitoring, and database backup, AWR report automatic mail, etc. This article describes how

Sql0668n cause code is "1 ", therefore, the SQL state = 57016 Oracle cannot be imported to db2sql0668n at a time because the cause code is "1" sqlstate = 57016 Oracle to DB2 Sun Moon King's blog http://sunmoonking.spaces.live.com using MTK tool

1. Internal Connection is simpleSelect a. *, B. * from a, B where a. ID = B. IDSelect a. *, B. * from a inner join B on A. ID = B. IDThe above two statements are completely equivalent. 2. left Outer JoinSelect * from EMP a left join dept D on A.

Differences between the four statements of Oracle backup recovery and recover Database 11:27:48 | category:Oracle backup recovery | label:| Large font size, medium/small subscription 1 recover database using backup controlfile2 recover

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Reprinted: http://www.cnblogs.com/gkl0818/archive/2009/02/25/1397769.htmlOracle collectionsI. Types of Collections1. associative arrays ArrayIt is a one-dimensional, borderless sparse set of the same type and can only be used for PL/SQL.DeclareType

Oracle default port list Oracle HTTP Server listen port/Oracle HTTP Server Port 80 Oracle Application Server Edit httpd. conf and restart OHS

Oracle concept (Oracle 10.2) 10. Application Architecture This chapter defines the application architecture and describes how Oracle database servers and database applications work in a distributed processing environment. This architecture can be

Oracle DBA manual-database diagnosis cases and performance optimization practices (planned by guobiao) Pricing: ￥59.80 Member price: ￥44.85 (off) Example of this book free trial: http://www.china-pub.com/196286 [Basic Information]Author: Editorial

SQL optimization should be adjusted from five aspects:1. Remove unnecessary full table scans for large tables2. cache full table scan for small tables3. Verify the use of optimized Indexes4. Verify the optimized Connection Technology5. minimize the

Part 2 value type§ 2.1 numberThe Number type is oralce numeric, and the precision of the stored numeric value can reach 38 BITs. Number is a variable-length type with a length of 0 to 22 bytes. Value Range: 10e-130-10e 126 (not included)Number (p, s)

First, ask the name and size of the tablespace in the target database, create a tablespace in your oracle database, and then use commands to import and export data.Supplement:1. Create a new database; Importing and exporting Oracle Data imp/exp is

Abstract: This article describes the principles, steps, and restrictions of the hierarchical manager, and combines it with Oracle Data warehouse to achieve effective storage, management, and quick browsing of large-scale data.   Quick viewing of

It is estimated that SQL * Plus is used almost at the beginning in Oracle, After all, this tool can run on any platform running Oracle, You can install this tool on the client or on the server, To install the client, install the client software