NAV: SLTechnology News&Howtos > Database >

• 

  Back up the MySQL database

  Why do I need to back up my data? Type of data backup MySQL backup data backup problems to be considered designing appropriate backup strategy practical exercise using cp for backup using mysqldump+ replication BINARY LOG backup using lvm2 Snapshot backup data using X

  2022-06-01 17:38:20 Views: 256
• 

  Variable Analysis of three compound types of oracle

  There are three kinds of compound type variables that are often encountered in actual projects. Combined with some project examples, the details are as follows: record type: record type can contain one or more members, and each member type can be different, member can be scalar type. You can also reference other variable types. This type of

  2022-06-01 17:38:08 Views: 212
• 

  Connect-mongo error connecting to database

  The node.js connection mongodb reports an error as shown in the following figure. You can see that it is the mongodb connection error. So, test the mongodb connection, as shown in the following figure: as you can see from the prompt, cmd separates the path Program Files, so the database text

  2022-06-01 17:38:08 Views: 241
• 

  PostgreSQL from inheritance to Partition (3)

  3. Pg_partman3.1 introduces that pg_partman is a partition table management tool developed based on PostgreSQL partition, which realizes the management of partition table through several functions, which is faster than manually creating partition table, trigger function and trigger.

  2022-06-01 17:38:08 Views: 294
• 

  Mysql imports sql scripts into the database

  Import the sql file into the Mysql database with the command step1: if the mysql installation path is not in the windows environment variable path, copy the sql file to the C:\ Windows\ Temp file. So that the mysql server has permission to read

  2022-06-01 17:38:07 Views: 259
• 

  Message interpretation of Wechat Database

  Decryption reference: / / http://blog.csdn.net/njweiyukun/article/details/54024442//imei number: cell phone press * # 06compatible info. CFG 3

  2022-06-01 17:38:07 Views: 268
• 

  Detailed explanation of backup and recovery of MySQL

  The backup strategy in the company is not the same, but the appropriate backup strategy is made according to the actual production environment and business needs of each enterprise. Whether you choose full backup or incremental backup, you need to consider their advantages and disadvantages and whether they are suitable for the current production environment. At the same time, in order to ensure the integrity of the recovery

  2022-06-01 17:38:06 Views: 212
• 

  After the database installation is completed, one of the system parameters must be changed.

  Environment Oracle 11.2.0.4Rhel 6.6.After the installation of the tmpfs database is completed, many parameters, including database parameters and system parameters, need to be modified, and the operating system must modify one of the parameters. Make changes according to 60% to 80% of the operating system. [

  2022-06-01 17:38:06 Views: 260
• 

  Say GTID-the system variable related to GTID

  When the gtid_next default transaction commits, MySQL generates a GTID for it. When the transaction is played back on the Slave node, the GTID generated by the transaction on the Master node is used because a session-level system variable gtid_next has

  2022-06-01 17:38:06 Views: 253
• 

  An article for his wife

  Wife company has such a demand: query the user return information of a game, when the user logs in for two consecutive days, it is determined to be 2 days, if the interval is one day, it is judged to be 3 days, and if the interval is 5 days, it is determined to be 7 days. The interval between user data is 14 days (fixed). Quasi

  2022-06-01 17:37:51 Views: 221
• 

  Free Internet behavior Management Scheme for small Enterprise Local area Network

  For a small LAN environment (the number of terminals is less than 50), an enterprise Internet behavior management router can achieve basic Internet behavior management functions. Of course, the function of the router is limited, so you need to deploy advanced functions such as Internet content recording, Internet statistics, URL library filtering, and so on.

  2022-06-01 17:37:33 Views: 224
• 

  Mysql Tracing the Optimizer

  Background: as a DBA, or a small partner engaged in database-related work, the common job is to optimize sql and view the implementation plan! But sometimes the execution plan given by the optimizer is wrong or not optimal, so we have to track the process of generating the optimized execution plan. Mysql

  2022-06-01 17:37:27 Views: 230
• 

  Database-mysql master-slave replication read-write separation

  Http://m.open-open.com/m/lib/view/1413274853450.html principle and architecture analysis ready to download the source package before deployment the location should correspond to the mysql-5.5.22.tar.g in the script

  2022-06-01 17:37:27 Views: 232
• 

  Grid install of oracle 19c rac install

  A pre-check: minimum requirements for installation: Red Hat Enterprise Linux 7.4: 3.10.0-693.5.2.0.1.el7.x86_64 or laterAt least 8 GB RAM

  2022-06-01 17:37:26 Views: 213
• 

  TiDB database PD hybrid deployment

  Problems with pd deploying the same machine in multiple clusters-- 2019-04-25 Spring Thunder 1, Summary 1.1, problems multiple sets of tidb clusters pd deployed on the same machine, pd services are the same, resulting in pd unable to start version 2.1.21.2, problems and solutions to modify related files

  2022-06-01 17:37:26 Views: 212
• 

  The number of Mysql connections is inconsistent with the profile

  When deploying a physical machine, the developer reported that it could not connect to the database. When logging in to the backend, it was found that the login failed and the number of connections was reported to be too many. Check the number of connections after restarting the database login and query the maximum number of Mysql connections: mysql > select @ @ max_connect

  2022-06-01 17:37:06 Views: 269
• 

  SQL Server-download SQL Server Data Tools (SSDT)

  Https://docs.microsoft.com/zh-cn/sql/ssdt/download-sql-server-data-tools-ssdtSQL Server Data Tools is

  2022-06-01 17:37:05 Views: 238
• 

  T-SQL Advanced query

  T-SQL advanced query function: is a reusable program segment that uses call statements from other program segments to execute this program. Write a statement in advance, give it a name, call this name system function: convert the data type, and check the system parameter Convert (): number.

  2022-06-01 17:37:05 Views: 220
• 

  ORACLE solves the problem of high water mark

  -- method 1. ALTER TABLE table_name MOVE;-- Table reconstruction ANALYZE TABLE table_name COMPUTE STATISTICS;-- Statistical analysis-- method II. Al

  2022-06-01 17:37:05 Views: 244
• 

  The solution to the failure of deleting Database in Navicat for MySQL

  What if I failed to delete the database in Navicat for MySQL? In fact, it is not difficult to solve this problem, so the editor summarizes this article. Let's take a look at the method of deleting the database in Navicat for MySQL. Problem Navicat deletion

  2022-06-01 17:37:05 Views: 297