Oracle group Statistics, extract each group of top ten

/** June 14, 2018 Chaozhou Oracel Statistics 2017 electricity consumption, by industry classification of the first ten */ Select * from (select T.YHBH user number, T.YHMC User name, t.jldbh metering point number, (select M.dmbmmc from

Automatic daily backup of Oracle Database

Now let's introduce our project using the Exp tool to automatically back up Oracle every day.With this tool we can also use the command line to export using PL/SQL developer.We want to use the EXP command to export Oracle's data, first of all to

Oracle OCP 052 Exam Learning

1. The data dictionary is stored in the system table space.2.SYSAUX can be offline:Sql>alter tablespace sysaux offline;Both 3.SYSTEM and Sysaux are permanent table spaces and cannot be used for temporary table spaces.Neither 4.SYSTEM nor Sysaux can

Plsql Developer Connection Linux installation and configuration of Oracle

First, download: http://www.oracle.com/technetwork/database/features/instant-client/index-097480.htmlThis is the homepage of the Oracle Instant client download, and there are many versions available for download.But pay attention to third-party

Confluence 6 Oracle Test your database connection

In your database setup interface, there is a test connection button to check: Confluence can connect to your database server Database character set encoding is correct Whether your database user has the required permissions Your

Oracle Database date format conversion operation

1. Date converted to string (as of October 20, 2016)Select To_char (sysdate, ' yyyy-mm-dd hh24:mi:ss ') Strdatetime from dual; --Get year-month-day time: minutes: seconds--Display the result: 2016-10-20 12:35:21Select To_char (sysdate, ' yyyymmdd hh2

Recovery method for accidental deletion of data from Oracle database

A lot of friends have encountered in the operation of the database mistakenly delete some important data, if the database is not backed up and the data is very important how to do to retrieve the data mistakenly deleted? I am here to introduce

The problem analysis and solution of Oracle database SYS user Login error ora-00119,ora-00132

In the Oracle server with SYS user login times wrong ora-00119,ora-00132, such asReading the newspaper wrong is the need to modify the configuration information of the parameter file network registration moduleThe first step: View the init.ora.418201

Oracle Remote Access configuration

Server-side configurationIf you do not want to write it yourself, you can configure it through Net Manager .The following configuration file is localhost changed to an ip address, otherwise, the remote cannot be accessed.1. Network Monitoring

Management of Oracle Data Guard

Dataguard closes state enable repository: Sql>startup Nomount; Sql>alter database mount standby database; Sql>alter database recover managed standby database disconnect from session; (synchronous but not real-time application log) Close standby: Sql>

Oracle JDK vs OpenJDK

OpenJDK is sun at the end of 2006 to open up Java project, where the "open source" is the usual sense of open source, that is, the source code can be reused, such as IcedTea, ultraviolet are derived from the openjdk source of the distribution

"Phpstudy" installs the Oracle client and connects

Reference connection: 77508518PHPSTUDY2016 is a 32-bit version of PHPSTUDY2014 is a 64-bit edition before using Phpstudy to make sure your version 1 first opens the extension extension=php_oci8_12c.dll//Here 12c refers to the Oracle client is a 12.x

Oracle 10g Remote Connectivity ASM

ASM remote connections may experience the following error:ORA-12505 TNS:listener could not resolve SID given in connect descriptorORA-12541: TNS:no listenerORA-15000: command disallowed by current instance typeORA-12528: TNS:listener: all

Go Discussion on the similarities and differences between Oracle and DB2 in database high availability technology

Original: http://www.talkwithtrend.com/Article/178339In the process of database construction, high availability is one of the most important concerns in the construction of data Center database in every enterprise, which is directly related to

Oracle Trace Analytics database Start-up stages

Directory Boot to Nomount State Set Trace Start the database to mount State and open Check Trace Another way to look up the trace V$diag_info view The demo is as follows:Boot to Nomount State[email protected]> startup

Oracle Database 11G R2 table space Management

sql> ALTER DATABASE datafile '/U01/APP/ORACLE/ORADATA/KING/SYSAUX01.DBF ' resize 2048M;Database altered.sql> ALTER DATABASE datafile '/U01/APP/ORACLE/ORADATA/KING/SYSTEM01.DBF ' resize 2048M;Database altered.sql> ALTER DATABASE tempfile

Oracle 11g R2 Network Listener Experiment

Single-instance environment (not RAC), listeners and instances must be on the same machine. Two machine communication must use a network protocol to communicate, if browsing the web requires the use of HTTP protocol, remote connection requires the

Oracle,mysql,sqlserver three databases How to get the current time of the system

How to get the system current time in Oracle: With Sysdate ()The current time to get the system in MySQL mainly has the following points:(1) the Now () function returns the current datetime with (' Yyyy-mm-dd HH:mm:SS ') and can be stored directly

Navicat links to Oracle Tutorials and considerations

Today, when using Navicat to connect Oracle, I faint some pits, and I hereby record it!Landlord is a 64-bit WIN10 system, has just begun to configure 32-bit OCI. After configuring the connection or the prompt "Connot load OCI dll,87:instant Client

Confluence 6 Setting up Oracle Database Preparation

Please review the supported Platforms page for an Oracle database version supported by the confluence system. You need to upgrade your Oracle database before installing confluence. If you are migrating from another database to using an Oracle

Total Pages: 2147 1 .... 416 417 418 419 420 .... 2147 Go to: GO

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.