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  Congratulations on the zenoss 5 release!

  I use Zenoss together from Zenoss 3.2, and I think this open source software is very demanding for enterprise applications. This morning, I saw someone in the group saying that ZENOSS 5 had been released. Go to its website immediately to check for any new content. The new version has changed a lot! More suitable for mass collection

  2022-06-01 16:57:49 Views: 244
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  DWL and DCL statements of SQL statements

  Overview of DWL and DCL statements of SQL statements: this chapter will

  2022-06-01 16:57:37 Views: 251
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  SQL syntax prompt tool SQL Prompt, how to intelligently rename and split

  SQL Prompt automatically retrieves according to the object name, syntax and code snippet of the database to provide users with appropriate code choices. Automatic script settings make the code easy to read-especially useful when developers are not familiar with scripts. SQL Prompt installation can be used, can be greatly improved

  2022-06-01 16:57:16 Views: 206
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  [data Jiang Tang] issue 40: multiplier Segmentation technique

  The block segmentation scheme can meet the four goals we have set. However, in addition to the hassle of dealing with block marking, this approach is not very suitable for storage. After the data is stored separately by column, the columns must be synchronized when segmenting, that is, the segmentation points of each column correspond to the columns of the same record, otherwise the number of errors will be made.

  2022-06-01 16:57:16 Views: 220
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  NLS_DATE_LANGUAGEE and NLS_DATE_FORMAT

  Through a 051 test question to see the use of these two default parameters: 91.View the Exhibit and examine the structure of the PROMOTIONS table. Which t

  2022-06-01 16:57:15 Views: 298
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  Ambari Hive can not analyze and deal with the problem of normal query.

  1. An error was encountered today. After connecting to hive, no commands can be executed. $beeline-u "jdbc:hive2://hostname.domain.cn:10000/default;principal

  2022-06-01 16:57:12 Views: 274
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  Powershell Management Series (39) PowerShell check

  -provide Microsoft product implementation and outsourcing, such as AD\ Exchange\ Lync\ Sharepoint\ CRM\ SC\ O365, QQ:185426445. Telephone 18666943750 demand: according to the requirements of the group AD domain and subordinates 3

  2022-06-01 16:57:11 Views: 229
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  Use of CASE WHEN in SQL

  First, NULL value judgment 1. Determine null value, unsuccessful select case field name when null then 'null' else 'non-null' END as

  2022-06-01 16:57:08 Views: 255
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  Recursive query implemented by oracle with statement

  Oracle with statements can implement the same sequence as connect by statements: connect by usage uses rownum to implement sequences from 1 to 10. Select rownum from dual connect

  2022-06-01 16:57:08 Views: 269
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  Redis-trib.rb runtime environment installation

  Background: redis-trib.rb is an official operation and maintenance gadget, but it is still very useful. The redis-trib.rb script is placed under the src target of the source package: redis-trib.rb requires a higher version of ruby,centos 6.

  2022-06-01 16:57:04 Views: 298
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  Postgresql-- index

  Postgresql's index postgresql provides the following index types: B-tree, hash, gist, and gin. In most cases, B-tree indexes are commonly used, and users can use the create index command to create a B-tr

  2022-06-01 16:57:04 Views: 276
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  Enumerate several cases in which Oracle does not use index

  This article introduces several situations where indexes are not used, and the database version of this experiment is 11.2.0.4 case 1: we are using a B* tree index, and the foremost column of the index is not used in the predicate. If this is the case, you can assume that there is a table T with an index on T (xmemy).

  2022-06-01 16:56:46 Views: 217
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  Examples of databases and data tables

  -- create test1 test integer type CREATE TABLE IF NOT EXISTS test1 (N1 TINYINT,n2 SMALLINT,n3 MEDIUMINT,n4 INT,n5 BIGI

  2022-06-01 16:56:46 Views: 208
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  Summary of Linux Learning (30) mysql installation of lamp

  An introduction to lamp architecture lamp is the abbreviation of linux apache mysql php, which is the whole set of server environment. For websites developed by php, the pages or data we visit are likely to be provided by this environment. For ordinary netizens

  2022-06-01 16:56:46 Views: 253
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  Solve some problems of replicate-do-db through replicate-wild-do-table

  -- replicate-wild-do-table=db_name.tbl_nameCommand-Line Format--replicate-wild-do-table=namePermitted

  2022-06-01 16:56:46 Views: 295
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  Orchestrator+maxscale+mysql5.7GTID Master-Slave switching Test process

  1. For orchestrator environment, please see the previous article: https://blog.51cto.com/860143/24295582, maxscale install curl-sS https://downloads.ma

  2022-06-01 16:56:45 Views: 270
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  Falcon Monitoring redis

  Falcon is combined with script redis-monitor.py to monitor redis* python / usr/local/openfalcon-0.2/mymon/redis-monitor.

  2022-06-01 16:56:39 Views: 301
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  Mysql View the database code and modify the code method

  Database coding is very important, if you do not correctly define the code, it will lead to the entire database is garbled, if you set the database to utf8, export to gb2312, definitely garbled, vice versa, you define what encoding, export with what encoding. 1. View the encoding of the database

  2022-06-01 16:56:39 Views: 221
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  Mysql addition, deletion, modification and search

  Create a data table: mysql > use simonwangDatabase changedmysql > show tables;Empty set (0.00 sec) mysql > create table

  2022-06-01 16:56:38 Views: 291
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  Openstack Network Service Neutron [V]

  Openstack Network Service Neutron [5] Openstack Network Service Neutron [5] openstack time: November 28, 2016 Neutron introduces that neutron is openstack

  2022-06-01 16:56:37 Views: 279