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  Obtain the user login information of a certain time period of Horizon View by querying Sql Server

  Use [Horizon_logDB] / / * Horizon_logDB is the database name of Horizon View SELECT * from [dbo]. [event] WHERE ModuleAndEv

  2022-06-01 14:23:02 Views: 270
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  Problems encountered with binary xtrabackup

  After downloading the binary package, the version is 2.4.12. Ready to use the command, the error message is as follows: cd xtrabackup./innobackupex-versioninnobackupex: error while loading

  2022-06-01 14:22:59 Views: 217
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  Mysql fault master and slave have equal MySQL server UU

  Mysql does master-slave replication, and clones a mysql. After doing master-slave replication, it is found that the The slave O thread is NO. Read the log prompt "The slave I am O thread stops because master and slave ha"

  2022-06-01 14:22:59 Views: 280
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  Warehouse and database under science and technology

  Many IT industry laymen and even some industry experts have not been very clear about the concept of database (Database, referred to as DB). Here I will only share my understanding with you. In Wikipedia, it goes like this: databases, in short, can be regarded as electronic filing cabinets-storage electronics.

  2022-06-01 14:22:55 Views: 263
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  Ubuntu-14.04 compilation and installation of PostgreSQL

  # install dependency package sudo apt-get install libreadline6-devsudo apt-get install zlib1g-devsudo apt-get install libss

  2022-06-01 14:22:55 Views: 208
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  The aggregator assists in child queries of MongoDB calculations

  MongoDB does not support subqueries, so when it comes to these complex operations, you can only read out the data first and then calculate it, and it is not easy to write such calculations in languages such as Java, so you can consider using the aggregator esProc to assist the implementation. Let's take a look at the specific approach through an example. M

  2022-06-01 14:22:49 Views: 300
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  Detailed explanation of Postgresql-11.X performance Optimization

  Postgres performance optimization system optimization modification / etc/grub.conf disable numa=off, modify disk IO scheduling mode elevator=deadline modification method: grubby-- update-kern

  2022-06-01 14:22:46 Views: 294
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  Start the oracle em command

  Start snooping [oracle@oracle11Gr2 ~] $startupemctl start dbconsoleOracle Enterprise Manager 11g Database Contr

  2022-06-01 14:22:45 Views: 235
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  MySQL backup Theory and mysqldump usage

  Why backup: disaster recovery: hardware failure (redundancy), software failure (bug), natural disasters, *, misoperation,... Testing: when testing, in order to simulate user access in the real environment, you usually need to test with real data. Principles of backup and recovery: correct strategy: flat

  2022-06-01 14:22:45 Views: 217
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  Database articles-full, incremental backup and recovery

  1. Prepare the database environment 1. Set up the installation environment yum-y install\ gcc\ gcc-c++\ make\ ncurses\ ncurses-devel\ bison\ Cmake2, and add the database user us

  2022-06-01 14:22:22 Views: 306
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  Exchange Server 2010 Public folder creation configuration

  Public folders are designed for shared access and provide an easy and effective way to collect, organize, and share information with others in your workgroup or organization. Public folders are hierarchically organized, stored in dedicated databases, and can be duplicated between Exchange servers

  2022-06-01 14:22:08 Views: 299
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  Introduction to pagination Construction of Metrics Rapid Development platform

  In the metrics rapid development platform, grid components are widely used. In general, if the data is less than 10,000, it can be queried directly and quickly. If the amount of data is large, it may be efficient to open it at one time. Therefore, there may be paging requirements for grid components to display data. Although the amount of data is large,

  2022-06-01 14:22:06 Views: 207
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  MongoDB basic statement

  Introduction: there is still a big difference between MongoDB and MySQL basic statements. Today we will introduce some common basic statements of MongoDB: / / enter to create a database use school; if you create a collection, automatically create a database, if you do not create a collection, then the number.

  2022-06-01 14:22:05 Views: 247
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  Mysql recovery administrative password

  Restore MySQL database password steps principle stop Mysql service program skip authorization table start MySQL service program reset root password (update user table record) restart MySQL service program password recovery example 1: reset MySQL management password first

  2022-06-01 14:22:05 Views: 231
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  Database access performance Optimization (2)

  1.2. Only access the data through the index. Sometimes, we only access a few fields in the table, and the contents of the fields are less. We can create a separate combined index for these fields. In this way, we can get the data directly by accessing the index. Generally, the index takes up much less disk space than the table.

  2022-06-01 14:22:01 Views: 253
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  Oracle add partition statement

  Alter table table_name addpartition M201306 values less than ('20130701') tablespace TS_DTLpctfree 10

  2022-06-01 14:22:01 Views: 275
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  Redis basic tutorial Section 2 introduction and Application scenarios of Redis and NoSql

  NoSQL (NoSQL = Not Only SQL), which means "not just SQL", is a new revolutionary movement of database, and it was suggested in the early days that the trend was getting higher and higher in 2009. Advocates of NoSQL advocate the use of non-relational data

  2022-06-01 14:22:00 Views: 248
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  Getting started with MySQL-- backup and recovery

  The previous articles introduce the usage of various sentence syntax of MySQL and the knowledge related to user permissions. This article will mainly explain the knowledge of data backup and recovery of MySQL database, mainly focus on logical backup, introduce the use of mysqldump tools and

  2022-06-01 14:22:00 Views: 257
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  Installing Oracle 12c RAC on Linux 6

  1. Modify the hosts file vi / etc/sysconfig/network-scripts/ifcfg-eth0#Public192.168.1.240 node1192.168.1.241 node2

  2022-06-01 14:22:00 Views: 297
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  Django database ORM operation of CMDB

  CMDB to achieve data display function part of the code. Views.pydef asset (request): asset = Asset.objects.all () return render_to_resp

  2022-06-01 14:21:57 Views: 260