Oracle counts the sum of 1-12 months of data in a given year (very useful)

Practical casesFor the January 2015 to 12 months, the total number of people and the actual number of people from January 2014 to 12 months of the previous year have been found, and no month has shown a population of 0. Similar effectsCreate a

[Turn]win7 64-bit for perfect installation of 64-bit Oracle 11g

Recently on-line search how to install 64-bit Oracle in the case of win764, and use Plsql Developer to manage Oracle. So began to download the database on the Oracle website, download is a very simple thing, the problem is in Baidu when all said

Linux installation Oracle client does not open install to Leader Server name: Server Name Error Resolution method

$./runinstaller command execution, pop up an error message dialog box, the content is very simple, only "info:info" a few words (server named info)1. View detailed error information$CD/tmp$more Orainstall2014-04-18_01-38-41am.err2, problem analysis2.

Oracle t4-2 upgrade with Ilom CLI firmware

Simply record the process of upgrading firmware using the command line.Pre-upgrade version-VERSIONSP firmware 3.2.1.8.aSP firmware build number:88456sp firmware date:thu Apr 11:54:49 PDT 2014SP filesyst EM version:0.2.7Configuring a TFTP server to

How to diagnose Oracle data pump-Add diagnostic information to the pump

11g Data Pump (EXPDP/IMPDP) still have a lot of bugs, often encounter inexplicable card death phenomenon, let people overwhelmed, recently read an article, in fact, in the data pump export import, you can log trackingParameter:traceWith tracing

Oracle 11g Client Download Address

Excerpt from: http://blog.csdn.net/davidhsing/article/details/8271845Oracle Database Instant Client 11g 11.2.0.3.0The Instant client is a lightweight database client released by ORACLE (R) that allows you to run OCI, OCCI, Pro*c, ODBC, and JDBC

Oracle Monitoring Scripts

Simple Command1. Display the available instances on the server:Ps-ef | grep Smon2. Display the available listeners on the server:Ps-ef | Grep-i Listener | Grep-v grep3. View file system usage for the Oracle archive directory:Df-h4. Count the number

Jetty Server Data Source configuration JNDI-ORACLE,MYSQL,SQLSERVER,DB2, etc.

db2

Download jettyDownload jetty Server (8.1.0.RC2), unzip to any directory Http://dist.codehaus.org/jetty/jetty-hightide-8.1.0/jetty-hightide-8.1.0.RC2.zipCreating a configuration fileCreate a new Jetty-datasource.xml file and place it in the

Oracle Multi-Table connection method hash join Nested Loop join Merge Join

In the ViewSQLWhen we execute the plan, we find that there are many ways to connect tables, and this article introduces how tables are connected in order to better understand the execution plan and understand the principles of SQL execution.First,

Establish two connection modes (dedicated server and Shared Server) for connecting to the Oracle Database Server)

When creating an Oracle database, you should see this option in the database creation assistant wizard, which is the connection mode of the database. In Oracle9i or 10g, we can see two connection modes: a dedicated server connection (dedicated

Oracle Database full backup recovery and partial Backup Recovery

Today, we have encountered the Oracle database sequence problem. We simply need to back up and restore the entire database. As follows: Imp/exp Method Table mode backup: Oracle @ sencloudserver: EXP dhoffice/dhoffice rows = y indexes = n compress =

Oracle Database full backup recovery and partial Backup Recovery continuation oracle11gr2

Today, when I used exp/imp for a small backup and recovery operation, I encountered a problem. Many empty tables cannot be expressed. I didn't understand it at the beginning, later, I went to the Oracle official website and read ORACLE data. I sent

Lsof application instance sharing and Oracle Data File Deletion AND RECOVERY TEST

(I) lsof application instance ① Find the program occupying the specified port: [root@temp ~]# lsof -i :80COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAMEhttpd 10278 root 3u IPv6 37812 0t0 TCP *:http (LISTEN)httpd 10280

Oracle 9i product documentation

The ORACLE tutorial is: Oracle 9i product documentation. I. Enhanced scalability Oracle9i Real Application Clusters is the next-generation Parallel Server series of Oracle. Oracle9i Real Application Clusters designs fast and efficient shared Cluster

Oracle Database case study-failed to log on to Oracle database-Oracle initialization parameter setting error causes common users to fail to grant sysdba permission to log on

1.1 symptom description authorized by common usersSysdbaFailed to log on to database with the permission. The system displays the following error message:% Sqlplus/@As sysdba SQL*Plus: Release 11.1.0.7.0 - Production on Thu Nov 26 14:28:11

Oracle 11g database replay tutorial (3): full explanation of load replay for complex tasks (1)

Bkjia.com exclusive Article]Oracle Database 11gR1 new database replay DBR) function allows Oracle DBA to capture load from an Oracle 10gR2 environment, and then replay this load in Oracle 11gR1 environment, this section analyzes how to migrate an

Cost and performance of Oracle new-generation virtual computing All-in-One Machine

Cost and performance of Oracle new-generation virtual computing All-in-One Machine To promote hardware sales, a new generation of integrated systems, including Oracle virtual computing All-in-One OVCA, and other integrated devices, were launched

Linq to SQL (Group By/Having/Count/Sum/Min/Max/Avg operator ),

Linq to SQL (Group By/Having/Count/Sum/Min/Max/Avg operator ),Group By/Having Operator Applicable scenarios: Grouping data. narrow down the scope of data for us. Description: Assigns and returns the enumerated objects after grouping the input

Use Oracle Text to build a full-Text search application

Oracle Text is a powerful search technology built into all versions of the Oracle database, including the free quick edition (XE. Its development APIs enable software developers to easily implement Content Search applications with complete functions.

New Orcas language features-query syntax

[Original address] New "Orcas" Language Feature: Query Syntax[Original article publication date] Saturday, 2017l 21,200 Last month I started a post series to discuss some new VB and C # language features released as part of Visual Studio and. NET

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