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  Roidba's favorite, lz4 compression tool, backup recovery will no longer have to wait a few hours.

  Compression ratio, efficiency are very high, as for how to use, post tomorrow. 1. Download http://rpmfind.net/Search input: lz4DownloadExtras Testing Packages for Enter

  2022-06-01 08:53:12 Views: 220
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  How to realize Session sharing by Redis

  This article uses easy-to-understand examples to introduce Redis how to achieve Session sharing, the code is very detailed, interested friends can refer to, hope to be helpful to you. Redis implements Session sharing. I have been doing session sharing these days

  2022-06-01 08:53:09 Views: 206
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  What is the problem of distributed Session cross-domain sharing solved by Spring Session and Redis

  What I want to share with you in this article is what Spring Session and Redis solve the problem of distributed Session cross-domain sharing. The editor thinks it is very practical, so I share it with you. I hope you can get something after reading this article.

  2022-06-01 08:52:44 Views: 296
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  Installation of Oracle11.2.0.4 under OracleLinux6.5

  Then https://blog.51cto.com/12784425/2310379 this article Oracle 11.2.0.4 download address https://download.csdn.net/download/uu5

  2022-06-01 08:51:44 Views: 282
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  Analysis and Optimization of CPU High problems in MYSQL Database Service

  MYSQL database service CPU high problem analysis and optimization MySQL service performance monitoring analysis and optimization is an eternal topic, as performance testers sometimes have to stand from the perspective of DBA for appropriate analysis and optimization, which is also the way for performance testers to survive and develop for a long time. And the use of resources

  2022-06-01 08:51:37 Views: 257
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  Unknown variable & # 39 * * sqlems moving equipment NONENGEINEN SUBSTITUTION division STRICTICTRANSSTRANSTABLESING 39

  [root@mysql-db01 data] # mysql- uroot-poldboy123mysql: unknown variable 'sql_mode=NO_ENGINE_SUBSTITU

  2022-06-01 08:51:34 Views: 239
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  View of MySQL basic memo (2)

  Friends who have used Microsoft's Access mini database management system may never forget the concept of query, which is also the top priority of the second-level Access exam. Mastered the inquiry part, the second-level clearance will have an absolute assurance. One of the main reasons why queries are important is their flexibility. Chuang

  2022-06-01 08:51:24 Views: 279
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  ORACLE 11G DB RAC ORA-00257archiver error solution

  ORA-00257archiver error solution 1. Previously, we have dealt with the problem of insufficient disk space for oracle 11.2.0.4 archive logs, but we have not dealt with the problem of insufficient disk space for ORACLE RAC archive logs, so

  2022-06-01 08:51:24 Views: 274
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  Mysql stored procedure demo

  I have never written mysql stored procedures. I have written one based on Baidu and previous experience in writing oracle stored procedures, which is quite smooth. Let's give an example of CREATE DEFINER= `west _ brain` @ `% `PROCEDURE `man_tr.

  2022-06-01 08:51:24 Views: 255
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  Basic introduction to Cassandra (1)-Overview of Relational Database (RDBMS)

  As an application developer, database applications have been very widespread. You may have used relational data, such as MySQL, PostgreSQL, or document storage, such as MongoDB, or key-value databases, such as Redis. Every one

  2022-06-01 08:51:24 Views: 211
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  Char () must be disabled in the MySQL development specification

  First, explain how the channel channel number should choose the data type, two choices, one is char (), the other is varchar (). There are all kinds of things you can see in the system, there are no rules, and there is no way out. There is no way to make a specification to disable char.

  2022-06-01 08:51:23 Views: 210
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  Oracle Learning Notes Section 6 Network introduction and configuration, conversation

  Ps aux | grep ora_pmon has several database servers. There are several of these processes (process monitoring process and external interaction) vim sqlnet.ora this makes the database slightly secure, so that sqlplus can not log in to sqlne.

  2022-06-01 08:51:23 Views: 268
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  Jsp link database source code

  <% @ page language= "java" import= "java.util.*" pageEncoding= "ISO-8859-1" > <% String path = request.get

  2022-06-01 08:51:23 Views: 271
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  Detailed explanation of Mybatis cache

  What is Mybatis caching? The use of cache can reduce the number of interactions between Java Application and the database, thus improving the efficiency of the program. For example, querying the user object of id=1 will automatically save the object to the cache after the first query.

  2022-06-01 08:51:23 Views: 226
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  Mysql optimization direction

  With the accumulation of data, slowly some of our bad habits will be exposed in the system, the efficiency of program execution is low, the user experience decreases, if we do not take some measures, then users will be lost. It may take a lot of work to improve the execution efficiency of the program, but one of the important work is m

  2022-06-01 08:51:22 Views: 228
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  MariaDB 10.3 Primary synchronous replication

  MariaDB master and master synchronization, that is, two MariaDB are master and slave to each other, and each MariaDB has both master and slave roles. 1. MariaDB01 configure vi / etc/my.cnf.d/ server.cnf [mysqld] se

  2022-06-01 08:51:22 Views: 217
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  The solution to the excessive size of MongoDB logs

  The log of MongoDB is growing very fast, and the space of / var is immediately full. Even if you switch to another disk partition to save the log, the log will grow very fast, and the disk will soon run out. A good way to do this is to use rotating logs. MongoDB's spin log is a little weird, Li.

  2022-06-01 08:51:16 Views: 244
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  Oracle to view CPU usage of real-time SQL

  SELECTA.USERNAME, A.COMMAND, A.STATUS,A.PROGRAM, A.MACHINE, A.CLIENT_IDENTIFIER,B.SQL_TEXT,B.CPU_TIM

  2022-06-01 08:51:16 Views: 299
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  Python database programming

  Persistent storage is required in any application, and there are generally three basic storage mechanisms: files, database systems, and some mixed types. This hybrid type includes API, ORM, file managers, spreadsheets, configuration files, and so on, on existing systems. Learn about the database and how to do it in Py

  2022-06-01 08:51:16 Views: 268
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  Oracle virtual index

  Since version 9.2, Oracle introduced the concept of virtual index, which is a "forged" index whose definition only exists in the data dictionary and has related index segments. The purpose of the virtual index is to verify whether the plan is executed using the index sql without actually creating the index.

  2022-06-01 08:51:15 Views: 291