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  Problem sharing of semi-synchronous replication in mysql5.7.19

  Asynchronous replication (Asynchronous replication) MySQL default replication is asynchronous. After executing the transaction committed by the client, the master library will immediately return the result to the client, regardless of whether the slave library has received and processed it, so there will be a

  2022-06-01 16:17:11 Views: 226
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  MS-SQL CLR extension function package CLR_FunctionS!

  CLR_FunctionS includes a series of SQL-Server CLR extension functions to expand MS-SQL functions: file operations, directory operations, data conversion, Chinese phonetic codes, and of course string decomposition and aggregation functions. For details, see the attached help document.

  2022-06-01 16:17:10 Views: 291
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  Tivoli_oracle adopts client remote monitoring problem

  Monitoring database oracle11g,10gagent version is 623.1 using remote client monitoring using oracle client configuration connection, said that the OCI library could not be found, this I used a simple solution, re-downloaded an oracl

  2022-06-01 16:17:10 Views: 277
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  What are the characteristics of distributed database system

  Distributed database system (DDBS) includes distributed database management system (DDBMS) and distributed database (DDB). In a distributed database system, an application can transparently operate the database. The data in the database is stored in different local databases.

  2022-06-01 16:17:09 Views: 235
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  Btrfs File system Management (centos7)

  Basic introduction Btrfs (aka: B-tree, Butter FS, Better FS), GPL license, Oracle developed from 2007, realistic copy update mechanism CoW, which is mainly to replace ext2,ext3,ext

  2022-06-01 16:17:09 Views: 238
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  Want a Freestyle? We must first abide by the ten iron laws of MySQL!

  As DBA at work, we may also have to face the various Freestyle requirements of developers, but do they know what they need to pay attention to when operating the database? Today, we will briefly talk about the code of conduct for the development of MySQL databases, the top ten.

  2022-06-01 16:17:08 Views: 243
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  Oracle date minus one second

  Select sysdate,sysdate+numtosinterval (1 minute second') from dual; plus 1 second select sysdate,sysdate-numtosinterva

  2022-06-01 16:17:08 Views: 241
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  Learn Python-day7 from scratch

  Python-Day7 learning should have a positioning, clear goal to learn. I hope I can persevere and gain something-leaves (ps at the beginning of the month something delayed the plan, the schedule is quite behind schedule, forget it. Don't think too much, review, learn is the last word, stick to fighti

  2022-06-01 16:17:05 Views: 239
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  Postgres Import and Export tool pg_dump reference

  Postgres Import and Export tool pg_dump: backup: pg_dump-h localhost-U postgres db_name > db_name.sql restore: psql-U postgres-

  2022-06-01 16:17:04 Views: 296
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  Install mysql5.6 with source code under Linux

  1. Download mysql to / usr/local/src/cd / usr/local/src/wget http://distfiles.macports.org/cmake/cmake-2.8.12.tar

  2022-06-01 16:17:04 Views: 223
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  The solution of creating Local data File in RAC Environment

  The solution of creating local data file in RAC environment is as follows: 1. Data file offline2. Copy the data file to storage 3.alter database rename file via RMAN and modify the local file path to the storage path

  2022-06-01 16:17:04 Views: 292
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  The murder caused by delete from t

  1. Environment description: one master and two slaves, read and write separation, a large table in the main database with a data volume of 30 million, execution of delete from tbot 2, slave database status delay of several hours, write data cannot be synchronized to the slave database, data inconsistency, and ultimately affect the business. Mysql (root@local

  2022-06-01 16:17:04 Views: 249
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  Oracle12c startup database error: ORA-01078: failure in processing system parameters

  After the installation of single instance oracle12102 is completed, startup reports an error: [oracle@rac01 ~] $sqlplus "/ as sysdba" SQL*Plus: Release 12.1.0.2.0 Pro

  2022-06-01 16:17:01 Views: 296
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  Informix initialization

  [informix@python ~] $cat .bash _ profilePATH=$PATH:$HOME/binexport PATHexport INFORMIXDIR=/opt/informi

  2022-06-01 16:17:01 Views: 214
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  Create a SQL function to calculate employees' overtime time

  Hello, Mr. Han has a question for you. I want to calculate overtime by seconds. The rule is: overtime is 4 hours, overtime is 8 hours, overtime is less than 4 hours, overtime is less than 4 hours, overtime is 0.5 hours. I wrote a custom function.

  2022-06-01 16:16:51 Views: 229
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  Tuning it through case study-- the main Latch related to SHARED POOL

  Optimize it through case study-- the main Latch3.1 related to SHARED POOL and the main Latch related to SHARED POOL are: Latch: shared pool Latch: librar

  2022-06-01 16:16:51 Views: 304
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  Mongod user and role management

  1. User verification-auth: add-auth,mongodb to the mongod startup item to complete the activation of the authorization module. Although the auth module can still log in to the database after it is enabled, it does not have the permission to add, delete, modify and query, so start a

  2022-06-01 16:16:51 Views: 209
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  Gao Luofeng, an example of PHP SESSION application mail system, details PHP.

  Home page index.php

  2022-06-01 16:16:50 Views: 271
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  The format of hanganalyze in 11g

  Since 11g, the trace format of Oracle has changed a lot compared to 10g. The hanganalyze trace format is no exception. Take a little test and get to know each other. In session1: SYS@tst SQL > select *

  2022-06-01 16:16:50 Views: 290
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  Introduction to some practical grammars of PLSQL

  Parallel query: take union, that is, all the data (select deptno from emp) union (select deptno from dept); intersection query: take the intersection of two tables, the result belongs to both An and B; (se

  2022-06-01 16:16:50 Views: 245