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  Project4 electronic post office

  Www.extmail.net contents of this chapter: 1. Introduction of the electronic post office (composition and working principle of the members) 2. Review and analysis of the first phase of the post office system: postfix (MTA smtp) + dovecot (pop3/imap) + squirr

  2022-06-01 10:23:54 Views: 259
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  Percona PT-kill Reconstruction Edition (PHP)

  / * * Percona PT-kill Reconstruction (PHP) https://github.com/hcymysql/pt-killUPDATE:Modified by: hcymysql 2018-11-27

  2022-06-01 10:23:53 Views: 268
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  Instructions for the use of paperDF Rick Paper duplicate checking Software

  PaperDF Rick thesis duplicate check software download address: https://pan.baidu.com/s/1b60LEu 1, software screenshot (software startup interface) (single file duplicate check software operation interface) directory file introduction 2, use instructions 1,

  2022-06-01 10:23:41 Views: 206
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  The difference between inner connection and outer connection

  SQL database connection: inner connection, and outer connection (left outer connection, right outer connection, and full connection) this experiment is conducted in the MySQL database, the initial table of the database is as follows: the result contains only the rows in the two tables that meet the connection conditions. The external connection is as follows: the result contains qualified

  2022-06-01 10:23:24 Views: 231
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  An idea of Recycling Database tablespace

  Some projects are relatively small, and the hard disk space is only more than 40 gigabytes. Coupled with the fact that there is no maintenance, the problem of hard disk space alarm appears over time. After looking at it, it is found that some data files are set to 2G at the beginning, but only about 100m may actually be used. In order to solve the problem of hard disk space alarm

  2022-06-01 10:23:24 Views: 295
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  Summary of the main methods of C # querying HBase through Thrift connection

  1. The get (byte [] tableName,byte [] row,byte [] column,Dictionary attribute) get method can query the latest version of the corresponding values for specified table names, row keys, and column names.

  2022-06-01 10:23:23 Views: 259
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  Error in centosa6.5 installation of MySQL 5.6-DWITHOUT_PARTITION_STORAGE_ENGINE=0

  [78%] Built target slaveLinking CXX executable pfs_connect_attr-t../sql/libsql.a (handler.cc.o

  2022-06-01 10:23:23 Views: 260
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  MySQL database migration work notes-connection crawling, presentation and abnormal connection

  Background: due to the network adjustment of the company's computer room, the server IP of a number of mysql databases needs to be adjusted. In the new environment, a new architecture (keepalive+lvs) has been built, and developers need to cooperate to modify the program configuration. There are 2 businesses, 9 servers and more than 50 real.

  2022-06-01 10:23:17 Views: 202
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  Learn to build a minimum system with SpringMVC in three minutes (super-detailed)

  Summary: technology selection (only part of the technology is listed) service framework: Dubbo, zookeeper, Rest service cache: Redis, ehcache message middleware. The preface introduces how to use eclipse to build Spring step by step.

  2022-06-01 10:23:14 Views: 227
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  The process of making the service unavailable due to the abnormal growth of the jenkins log

  Today, we found that mysql service reported a 28 error (28 error is caused by insufficient disk space). Check the disk space usage of the server and find that the log file catalina.out in the tomcat directory is abnormal. The error is as follows: question: [DNSQue

  2022-06-01 10:23:13 Views: 227
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  Tablespace innodb_index_stats is missing

  During the import of mysqldump, cheap (disabled) hands are pressed to ctrl+alt+z. Causes this process to be terminated (paused) because ps-ef | grep mysql is executed when the viewing process is executed. Then you can see the process mysql-uroo

  2022-06-01 10:23:06 Views: 244
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  Database learning Postgresq

  Psql testdb, system login user, local database, connect testdb database psql-U testuser testdb, user testuser, connect local database testdb;psql-U testuse

  2022-06-01 10:22:54 Views: 276
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  How to install MySQL5.6.40 under CentOS7 64

  Editor to share with you this time is how to install MySQL5.6.40 under CentOS7 64, the article is rich in content, interested friends can come to understand, I hope you can get something after reading this article. MySQL5.6.40 in CentOS

  2022-06-01 10:22:42 Views: 208
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  Exploration on the Design method of Universal Database

  Recently, I am responsible for the database table structure design of the company's unified user center. In the process of work, I have given birth to some alternative ideas. I am looking forward to your patting. The evolution of thought is as follows. The first stage: abstract the enterprise, institution, family and other entities into "organization", Organization

  2022-06-01 10:22:42 Views: 290
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  Xen service add local hard disk

  First of all, often look at the hard drive IDll / dev/disk/by-id#lrwxrwxrwx 1 root root 9 Sep 18 17:38 scsi-SATA_ST2000DM001-1ER_W4Z2BNDL

  2022-06-01 10:22:42 Views: 278
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  [subtotal] PostgreSQL implements the decode function of Oracle

  Create or replace function decode (variadic p_decode_list text []) returns text as$$declare-- gets the array length (that is,

  2022-06-01 10:22:41 Views: 238
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  Oracle Study-- NLS_DATE_FORMAT

  Oracle Study-- NLS_DATE_FORMAT system Environment: operating system: RedHat EL6 Database: when Oracle 11gR2 sets the time format in RMAN, an error is reported: NLS_DATE in Oracle

  2022-06-01 10:22:41 Views: 271
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  Mysql database is highly available

  Mysql database high availability Mysql (5.7.19) + keepalive (1.3.0) + RHEL6.5Mysql download address https://cdn.mysql.com//Downloads/MySQL-5.

  2022-06-01 10:22:40 Views: 207
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  Php connects to mysql database

  Connect to the database: use the object-oriented method; 1. Create a mysqli object, create a connection object 2. Prepare a SQL statement 3. Execute the SQL statement, if it is a query statement. Successfully returned the result and object 4. Find data from the result set object; query attribute code:

  2022-06-01 10:22:40 Views: 255
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  CentOS6.8 x86_64bit source code installation MySQL-5.5.47

  Mysql-5.5.47 installation 1. Download the source code package in advance or go to the server to upload the source code package and extract the cd / home/rich/toolsrz-y "mysql-5.5.47-linux2.6-x86_64.tar.g.

  2022-06-01 10:22:40 Views: 232