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  [Oracle Database] Database constraint management

  Primary key constraint SQL > alter table customers add constraint customers_pk primary key (customer_id); Table altered

  2022-06-01 16:24:30 Views: 245
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  How to install MySQL Workbench

  How do I install MySQL Workbench? I believe that many novice rookies have not yet learned this skill. Through the summary of this article, I hope you can learn this skill. The following materials are the steps for implementation. First open Baidu search MySQL Workbench; and then enter MyS

  2022-06-01 16:24:29 Views: 254
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  How to set expiration time for redis

  How does redis set the expiration time? I believe that many novice rookies have not yet learned this skill. Through the summary of this article, I hope you can learn this skill. The following materials are the steps for implementation. 1. The expiration time of key in Redis is specified by EXPIRE key seconds.

  2022-06-01 16:24:24 Views: 228
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  Real-time Open Source Monitoring system for lepus Database

  one。 Installation environment: centos6.5IP:192.168.30.242hostname:***.org software: LAMP has been installed. (make sure these are installed properly and can be used). System core package: (extracted from official data) 1.m

  2022-06-01 16:24:24 Views: 206
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  Customer sentiment analysis system customer age and gender analysis statistics of the number of visits to the store

  Intelligent customer bank analysis platform is a video structured analysis platform based on deep learning, which can provide accurate passenger flow analysis for merchants, brands, stores and showrooms. By quantifying the offline behavior of users, combined with big data analysis platform, the mutual diversion between offline and online is realized. The system has the characteristics of high accuracy and high speed.

  2022-06-01 16:24:23 Views: 294
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  RMAN configuration DataGuard from Active database with ASM

  First, the environment main library: install grid software and create disk groups; install database software and create databases, backup libraries: only install grid software and create asm disk groups, and install database software at the same time. Hostname database version dbnamedb_unique_namei

  2022-06-01 16:24:20 Views: 270
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  Learn Oracle auditing (Auditing)

  Audit is used to monitor the database operations performed by users, and audit records can exist in data dictionary tables (called audit records: stored in SYS.AUD$ tables in the system tablespace and can be viewed through the view dba_audit_trail) or the operating system

  2022-06-01 16:24:20 Views: 235
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  Redis often meets with questions and answers.

  This article will explain in detail the common interview questions and answers about redis. The content of the article is of high quality, so I will share it with you for reference. I hope you can get something after reading this article. 1. What is redis?Redis is a memory-based high-performance key-

  2022-06-01 16:24:20 Views: 294
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  SQL Server database log shipping disaster recovery

  Https://www.cnblogs.com/Aldj/p/8605163.htmlSQL Server database log shipping disaster recovery (Part1) 1. Overview Log Shipping is SQL

  2022-06-01 16:24:19 Views: 221
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  How does the RocketMQ master and slave synchronize the progress of message consumption?

  I also told you about the rules of RocketMQ read-write separation earlier, but you may ask, how is the consumption progress between master and slave servers kept synchronized? Now let me give you an answer. If the consumer consumption pattern is different, there will be different ways to save the message on the consumer side.

  2022-06-01 16:24:19 Views: 224
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  The function and implementation of slicing in redis

  Partitioning is the process of splitting your data into multiple Redis instances so that each instance will contain only a subset of all keys. The first part of this article will introduce you to the concept of sharding, and the second part will show you the options for Redis sharding. Points

  2022-06-01 16:24:19 Views: 201
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  Implementation and maintenance of MaxScale read-write Separation Project _ MySQL High availability replication and distributed Cluster Architecture 08

  Implementation and maintenance of MaxScale read-write Separation Project _ MySQL High availability replication and distributed Cluster Architecture 08 Video tutorial Learning address http://edu.51cto.com/course/14433.htmlOracle/MySQL data

  2022-06-01 16:24:15 Views: 203
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  How to resolve the lock waiting caused by the uncommitted mysql transaction

  1. Experimental environment Myql version 5.7.17-log experimental table structure (root@localhost) [apex] > show create table test;+-+-

  2022-06-01 16:24:12 Views: 258
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  Goldengate monitor v11.1

  If the JAVA version is greater than 1.6, you can [root@cwogg] # rpm-ivh jre-8u65-linux-x64.rpmPreparing... #

  2022-06-01 16:24:12 Views: 277
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  Common Management language of MYSQL Database in Linux

  MYSQL database management language in Linux 1 login database mysql-u (user)-p enter password 2 view database show databases, 3 use database use library name, 4 view table show ta in library

  2022-06-01 16:24:05 Views: 203
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  Installation and configuration of MongoDB

  Mongo DB is a very popular non-relational database (NoSql) in the IT industry. Its flexible data storage method is favored by current IT employees. Mongo DB well implements the object-oriented idea (OO idea), and in Mongo

  2022-06-01 16:24:05 Views: 241
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  [silent] silently install Oracle 18c on RHEL 6.5s

  [silent] silently install Oracle 18cOracle 18c on RHEL 6.5. 18c is actually 12.2.0.2, and 19c is 12.2.0.3. The db_home.zip installation package is about 4.25G, and 8.9G after decompression.

  2022-06-01 16:23:54 Views: 242
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  Inserting Learning Notes for mybatis dynamic SQL Operations

  1import java.util.ArrayList;import java.util.List;import org.apache.ibatis.session.SqlSession;import

  2022-06-01 16:23:54 Views: 281
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  Zabbix- database migration

  Function: users test the data storage function of zabbix, transplant database zabbix server, stop zabbix-server # stop zabbix service, so that data scp-r / var/lib/mysql/ root@ is no longer generated

  2022-06-01 16:23:53 Views: 302
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  How to help TOP Server OPC Server-- Application report

  TOP Server OPC Server, industrial control software Software Toolbox's OPC and native HMI equipment connection software, using industry-leading Kepware technology. It's Software Too.

  2022-06-01 16:23:48 Views: 262