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  MySQL incremental backup and recovery

  MySQL incremental backup and recovery [TOC] 1.Preface to ​ in the last article (the concept and operation of MySQL full backup and recovery), we introduced in detail the concept of MySQL full backup and recovery and detailed command operations to verify, and also described some concepts of incremental backup. And

  2022-06-01 22:37:31 Views: 245
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  MongoDB shard management

  The basic idea of the directory concept is applicable to the scene role introduction the experimental process of the experimental environment 1.Conceptual slicing (sharding) refers to the process of splitting the database and distributing it on different machines. Distribute data to different machines so that more data and places can be stored without a powerful server.

  2022-06-01 22:37:13 Views: 250
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  Character set and sorting rules of Database built by mysql

  1. Character set description: generally choose utf8. Here's the difference between utf8 and utfmb4. Utf8mb4 is compatible with utf8 and can represent more characters than utf8. The unicode coding region belongs to the traditional utf8 region from 1 to 126. of course, ut

  2022-06-01 22:37:13 Views: 243
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  Centos6.5 install mysql-5.5

  Because ubuntu has been used before and rarely uses centos, today we need to install the database, in the mentality of quickly solving this requirement, start to install mysql, but look at a lot of materials, but finally did not succeed, an hour is really enough, and finally humbly ask my friends for advice

  2022-06-01 22:37:12 Views: 227
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  Weblogic could not create the connection pool

  The developer said this afternoon that the weblogic of the contract management system development environment could not be started all the time: if the normal startup log is as follows: # < 2013-12-14 10:28:48 CST > < > < # < 2013

  2022-06-01 22:37:12 Views: 205
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  Sybase bcp Unexpected EOF enco

  Today, when we are testing the bulk import of bcp data, there will be errors in err.txt after each data import. The error content is as follows: Unexpected EOF encountered in BCP data-file.bcp co

  2022-06-01 22:37:09 Views: 287
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  Dynamic sql

  CRUD operation on a table with mybatis, but we find that the SQL statements written are relatively simple. If there is a more complex business, we need to write complex SQL statements, which often need to be spliced, while splicing SQL, slightly careless, due to quotation marks, spaces, etc.

  2022-06-01 22:37:09 Views: 210
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  Mongodb collection management

  Delete collection: db.t_order_detail.drop () rename collection: db.users.renameCollection ("users1") empty collection data: db.users.remove ({})

  2022-06-01 22:37:08 Views: 293
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  MongoDB repl set permission authentication configuration steps

  Replica set permission authentication creates a keyfile file, which is used for mkdir-p / mnt/mongodb/rs/configcd / mnt/mongodb/rs/configopen of permission authentication between nodes.

  2022-06-01 22:37:08 Views: 247
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  Hbase-site.xml configuration

  Hbase.rootdirhdfs://master:9000/hbasehbase.cluster.distributedtruehbase.zookeeper.quorummaster,slave

  2022-06-01 22:37:08 Views: 240
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  MongoDB Chinese Handbook Index

  The latest content of the MongoDB Chinese manual index will be updated at the origin server. Reprint please keep the original link: https://dashidan.com/article/mongodb/index.html content is constantly updated. Welcome to join the discussion of learning together.

  2022-06-01 22:37:08 Views: 225
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  Playbook automatically installs kafka cluster

  1. Environment description 1. Server information 172.21.184.43 kafka, zk172.21.184.44 kafka, zk172.21.184.45 kafka, zk172.21.244.7 ansibl

  2022-06-01 22:37:07 Views: 263
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  Detailed description of mysql client tool parameters

  Client tools: management tools for mysql,mysqladmin,mysqldump,mysqlcheck non-client classes: myisamchk,myisampackmysql command prompt mysql > wait for commands'>

  2022-06-01 22:37:07 Views: 248
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  INS-13001,INS-0 encountered by oracle12c installation

  1 INS-13001 preconditioned check failure 1.1 INS-08109 validation status' supportedOSCheck' unexpected error 1.1.1 supportedOSCheck specific content is not supported by the operating system

  2022-06-01 22:37:07 Views: 267
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  Master-Slave replication of MYSQL5.7 based on SSL

  The mysql version of this document is 5.7.22 and the Linux kernel is 3.10.0-862.el7.x86_64. First, the principle of master-slave replication: 1. The binary log (binary) of the master server will add, delete and modify the user input.

  2022-06-01 22:36:43 Views: 209
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  Installation and basic operation of Oracle

  In the field of computer information security, database system undoubtedly plays an important role. For example, Microsoft's SQL server, IBM's DB2, and Oracle's Oracle, MySQL, etc., are all well-known database management software, in which Oracle number

  2022-06-01 22:36:13 Views: 249
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  Spark reads Hbase table data and implements something like groupByKe

  First, it is very important to outline the running environment of the program. This test is based on: hadoop-2.6.5spark-1.6.2hbase-1.2.4zookeeper-3.4.6jdk-1.8 nonsense, and directly need Andy column.

  2022-06-01 22:36:13 Views: 207
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  Spark accesses hbase

  Import org.apache.hadoop.hbase. {HBaseConfiguration, HTableDescriptor} import org.apache.hadoop.hbase.

  2022-06-01 22:36:06 Views: 245
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  Micro services? Database? What is the relationship between them?

  Over the past few years, the term "microservice architecture" has been hot, describing a specific way to design software applications as independently deployable service suites. Although there is no precise definition of this architectural style, it revolves around business capabilities, automated deployment, network intelligence, and decentralized control of language and data

  2022-06-01 22:36:06 Views: 203
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  PostgreSQL master-slave replication

  1. Postgres introduced the master-slave stream replication mechanism after 9.0. the so-called stream replication is that the slave server synchronizes the corresponding data from the master server through the tcp stream. In this way, there is still a backup in the slave server when the master server data is lost. Compared with file-based log delivery, stream replication allows

  2022-06-01 22:36:06 Views: 297