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  Creation and deletion of Oracle database

  Create database 1 use Database Configuration Assistant tools to create Oracle database step 1 Operation window there are 4 options A create database B configuration database option C delete database D administrative template

  2022-06-01 08:32:08 Views: 236
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  Centos7 install redis and set boot up

  1. First redis installs tar xzf redis-3.0.0.tar.gzcd redis-3.0.0/makemake install PREFIX=/usr/local/redis to create storage redi

  2022-06-01 08:32:08 Views: 270
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  Oracle Optimization-Index

  Transaction 1. Brief introduction transaction is the core of data processing and a logical unit of the business, which can ensure that all operations on the data are either successful or fail. DBMS coordinates the concurrent behavior of users through transaction management and reduces conflicts when users access resources. 1) display lift

  2022-06-01 08:32:08 Views: 254
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  Install mongodb extension in xampp integrated environment under windows

  Http://www.thegeekstuff.com/2015/10/php-mongodb-for-xampp sees this article and writes it in great detail. 1. Open the PHPINFO interface to view the PHP version, compiler version, and architecture

  2022-06-01 08:32:08 Views: 271
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  Unable to delete Exchange Server 2010 database

  If you want to delete it forcibly through ADSI, you can consider the following method: Open ADSI-Edit and got to configurationNavigate to this path:CN=Configurati

  2022-06-01 08:32:07 Views: 228
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  Kdb+ A-share database

  Kdb+ (db based on K language, enhanced version, also referred to as kdb) is a very minority database. It has very high performance and rich and efficient time series functions. In the field of access and real-time analysis of massive stocks, × × and other high-frequency data, only kdb is exclusive. Kdb+ is a

  2022-06-01 08:32:07 Views: 265
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  Oracle kill all plsql developer processes

  BEGINFOR v IN (SELECT 'alter system kill session''| | a.sid | |','| | a.serial# | |''immediate'

  2022-06-01 08:32:04 Views: 210
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  Analysis of the influence caused by the columns on select during order by

  Create table T1 (A1 bigint not null primary key auto_increment,c10 char (10), c100 char (100), c200 char)

  2022-06-01 08:32:04 Views: 256
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  Application of redis-- label

  Mysql:create table book (bookid int,title char (20)) engine myisam charset utf8;insert into book value

  2022-06-01 08:32:03 Views: 266
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  Hadoop+hbase+zookeeper fully distributed installation (1)

  Choosing the Hadoop version is critical to HBase deployment. The following table shows the Hadoop version information supported by different HBase. Based on the HBase version, you should choose the appropriate Hadoop version. HBase-0.92.xHBase-0.9

  2022-06-01 08:31:33 Views: 219
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  How did I get started, grow, and advance as a data analyst?

  Chatting with a friend A the other day, a data analyst who seems to me to be a company in most industries is still modestly calling himself a "data ape". Engaged in data analysis, he became a monk halfway. Although he knew some knowledge of database at first, he still had a hard time, like many people.

  2022-06-01 08:31:24 Views: 273
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  Install MySql-5.6.30 database in RPM format

  Operating system CentOS6.7 64-bit software package: MySQL-5.6.30-1.linux_glibc2.5.x86_64.rpm-bundle.tar is first remotely transferred to the Linux system using ssh (binary transfer) in the

  2022-06-01 08:31:24 Views: 220
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  The method of forgetting password modification for MySQL under Centos

  I just installed a MySQL5.7 on the virtual host a few days ago, and I configured a password easily, but I just forgot it today (embarrassed face). "), so I thought of posting this way of changing the password in case Taoist friends forget the password. Turn off MySQL first: service

  2022-06-01 08:31:24 Views: 274
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  ORACLE exception: a feature not supported by the RETURNING clause

  Get the exception that occurs while getting the sequence ID and check whether the ID field type of the oracle database table is of type NUMBER. If it is long, you can change it to number. About number types: http://www.blogjava.net/cao

  2022-06-01 08:31:24 Views: 220
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  What do you know about the daily work of server maintenance in the computer room?

  In recent years, network data security is becoming more and more important, and server maintenance has been paid more and more attention, and we must be careful when maintaining the server, and the daily maintenance work must be handled well, otherwise a small mistake will have a great impact. So, what does server maintenance need to do on a daily basis? Maintained by server in computer room

  2022-06-01 08:31:23 Views: 235
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  Mysql cannot delete the primary key in the table

  1. Mysql deletes the primary key Times error in the table, as shown in the following code: mysql > alter table student drop primary key;ERROR 1075 (42000): Incorrect t

  2022-06-01 08:31:23 Views: 204
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  Migration of DS series virtual machines to DS series virtual machines on Azure (1)

  At the beginning, some users created virtual machines such as A7 and D14 to run some applications with high IO requirements, such as Oracle database and MySQL database. After the number of users, the performance is not enough, so they need to upgrade the data disk to SSD solid state disk, but the problem is: a

  2022-06-01 08:31:14 Views: 298
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  Windows 2012 always on read-write separation cluster build configuration

  Windows 2012 always on read-write separation cluster configuration. Introduction to Always on AlwaysOn availability Group (SQL Server) AlwaysOn availability Group feature is an enterprise that provides alternative database mirroring

  2022-06-01 08:30:23 Views: 202
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  Hadoop Learning Road (1)-- Hadoop Family Learning Roadmap

  Mainly introduces Hadoop family products, commonly used items include Hadoop, Hive, Pig, HBase, Sqoop, Mahout, Zookeeper, Avro, Ambari, Chukwa, newly added items

  2022-06-01 08:30:17 Views: 213
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  MySQL Database Advanced (8)-events

  MySQL Database Advanced (8)-event 1, event introduction 1, event introduction event is a set of SQL sets used to perform scheduled tasks that will be triggered when the time expires. An event can be called once or started periodically, managed by a specific event scheduler thread. The event replaced the original.

  2022-06-01 08:30:17 Views: 307