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  What is a single thread in a redis service

  What is a single thread in a redis service? Perhaps many people do not understand, in order to let you understand better, the editor summed up the following content, I hope you can gain something according to this article. Redis communicates with socket, and the socket server can accept many at the same time.

  2022-06-01 15:45:26 Views: 224
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  PHP Code Audit SQL injection

  What is SQL injection SQL injection * (SQL Injection), referred to as injection * *, is the most common security vulnerability in Web development. You can use it to get sensitive information from the database, or to use the characteristics of the database to add users, export files, and so on.

  2022-06-01 15:45:14 Views: 285
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  How to reasonably use logmnr for log mining and minimize the impact on production database

  Oracle Logmnr this tool how to use here is not detailed, you can check the official documents, the Internet is also a lot of documents, find their own. I'll go straight to practical information here. -- create an Oracle directory select * from dba_directo

  2022-06-01 15:45:14 Views: 266
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  There are several ways for mysql database to delete table data

  This article will explain in detail how to delete table data from the mysql database. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article. There are two ways to delete data in MySQL: 1. Truncate (truncated

  2022-06-01 15:45:13 Views: 279
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  Introduction of knowledge points in mysql Database

  This article will explain in detail the knowledge points about mysql database, the content of the article is of high quality, so share it with you for reference. I hope you can get something after reading this article. 1. Relational database and non-relational database 1. The characteristics of relational database: 1) data

  2022-06-01 15:45:13 Views: 235
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  The way to the growth of DBA-the Foundation of mysql Database Service (2)

  Add insert into library to manage table records. Table values (list of field values); insert into library. Table (field values list) values (field values list); insert into library. Table values (field value

  2022-06-01 15:45:13 Views: 226
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  Restore after oracle dataguard archive gap

  Cause: source database application logic error, resulting in a large number of retry rollback, daily archive 300GB, remote backup at the network speed of 10Mbps, resulting in archive gap; solution process: 1 find out the current scn number select curren of the standby database

  2022-06-01 15:45:12 Views: 224
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  What is the level of lock and transaction isolation in MySQL

  What is the level of lock and transaction isolation in MySQL? Perhaps many people do not understand, in order to let you understand better, the editor summed up the following content, I hope you can gain something according to this article. The locking mechanism of locking database is a key feature different from file system. Used to manage the counterpart

  2022-06-01 15:45:12 Views: 248
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  Installation / configuration (file) / startup problems of mongodb

  Mongodb installation / configuration (file) / Startup question download address: http://www.mongodb.org/downloads[root@centos-1 software] # ll | grep mong

  2022-06-01 15:45:12 Views: 258
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  ORA-30013: a way to deal with undo tablespace currently in use faults

  In the morning, the database of a certain system was alarmed. The database version is 12c and the operating system is RHEL7.22018-08-23T06:43:17.297341+08:00PDB$SEED (2): Opatch validation.

  2022-06-01 15:45:11 Views: 293
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  Mongodb add replication set

  Description: replication sets are additional replicas of data and the process of synchronizing data across multiple servers. Replication sets provide redundancy and increase data availability, and can be used to recover from hardware failures and interrupted services. Its advantages are as follows: 1. Make the data more secure. 2. High data availability. three

  2022-06-01 15:45:06 Views: 258
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  Introduction to InnoDB Storage Index and algorithm of MySQL

  Today, I will talk to you about the InnoDB storage index and algorithm of MySQL, which may not be well understood by many people. In order to make you understand better, the editor has summarized the following contents for you. I hope you can get something according to this article. InnoDB defines InnoDB as a transactional number

  2022-06-01 15:44:36 Views: 224
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  Introduction of Sorted-Sets types and use of commands in redis

  This article will explain in detail the introduction of the Sorted-Sets type and the use of commands in redis. The content of the article is of high quality, so I hope you can get something after reading this article. 1. Overview: Redis ordered set So

  2022-06-01 15:44:35 Views: 281
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  Summary of SQL notes commonly used in Mybatis project development

  ParameterType and resultTypeparameterType: String for a single parameter, mapresultType for multiple parameters: can be Integer, String, Object

  2022-06-01 15:44:35 Views: 235
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  Getting started with class-2 Linux

  Catalog 1. System initial 1.1 broadcast 1.2 shutdown / restart command 1.3 configuration information 2. Terminal terminal and interactive interface 2. 1 terminal terminal2.2 interactive interface 3. The user logs in to 4.bash shell5. Command prompt 6. Command

  2022-06-01 15:44:26 Views: 222
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  The growth path of DBA-mysql data backup and recovery

  Data backup and recovery backup method: physical backup: directly copy the files corresponding to the backup database and table cp-r / var/lib/mysql/mysql / mysql.baktar-zcvf / mysql.tar.gz / varlib/

  2022-06-01 15:44:26 Views: 281
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  Introduction and use of key Command in redis

  This article will explain in detail the introduction and use of the key command in redis. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article. Summary: after entering redis-cli, we are usually more concerned about

  2022-06-01 15:44:25 Views: 276
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  MySQL Database (6)

  # # MySQL database master-slave synchronization: let other database servers automatically synchronize data on the database server that is being served. Build master-slave synchronization (a) ensure master and slave

  2022-06-01 15:44:25 Views: 251
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  How to use the linked list command in redis

  This article will explain in detail about the use of linked list commands in redis. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article. Summary: list is a linked list structure, the main functions are push, pop

  2022-06-01 15:44:25 Views: 208
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  North Asia case: recovery method of mistakenly deleted data in oracle Database

  When learning the database, we only consider how to use the database command statement with a learning attitude, and do not think that at work, if we misoperate it, it may lead to irreparable losses. When I really encountered these problems at work, I began to look for answers. Today, we mainly focus on oracle database.

  2022-06-01 15:44:21 Views: 262