NAV: SLTechnology News&Howtos > Database >

• 

  Redis Learning 3Murray-persistence

  1. Default persistence means storing one object at 900s, 10 objects at 300s, and 10000 objects at 60s will automatically trigger RDB's persistence save 9001save 300 10save 60 10000 snapshot file name, which can be customized.

  2022-06-01 14:16:30 Views: 285
• 

  First experience of oracle-installation of oracle10g

  Required software: Red Hat Enterprise Linux AS release 4 (Nahant Update 7) 10201_database_linux_x86_64.cpio rlwr

  2022-06-01 14:16:30 Views: 230
• 

  MongoDB distributed cluster fragmentation

  MongoDB High availability Cluster Building 1. Environment preparation # non-root users are required to start up, all of which need to create a mongo user: useradd mongo# add a password for mongo users: echo 123456 | passwd

  2022-06-01 14:16:30 Views: 239
• 

  Java link to sqlite database

  The package of sqlite adopted this time is sqlite-jdbc-3.6.0.jarpackage com.***.app.mappcore.impl.util;import java.io.File;import

  2022-06-01 14:16:29 Views: 300
• 

  MongoDB Tips

  1. Run the MongoDB server as a Windows service. (rookie tutorial) mongod.exe-bind_ip yourIPadress-logpath "C:\ data\ dbConf\ mongodb"

  2022-06-01 14:16:27 Views: 244
• 

  NoSQL database

  NoSQL (NoSQL = Not Only SQL), which means "not just SQL", is a new revolutionary movement for databases. Four categories of NoSQL database (1) key value (Key-Value) storage database this kind of database mainly makes

  2022-06-01 14:16:27 Views: 275
• 

  MySQL lesson 5 Table has no partition for value

  Scenario MySQL due to security requirements, after the version upgrade, there is an Table has no partition for value error in the execution of inserting data. The existing version 5.7.20-log upgrade to 5.7.26-log indicates that during the table building process.

  2022-06-01 14:16:27 Views: 233
• 

  AIX system Learning-check after CRS installation

  AIX system Learning-verifying system Environment after CRS installation: operating system: AIX 5.3.8Oracle: Oracle 10gR2 case study: when building RAC, after installing CRS, you need to do post-installation verification, and when you execute the verification tool cluvfy, you need to check out.

  2022-06-01 14:16:24 Views: 267
• 

  Rman remote recovery process log

  Backup script https://blog.51cto.com/860143/2413679[oracle@localhost dbs] $ll Total usage 8 Murray RW Murray RW Murray-1 oracle oinstall

  2022-06-01 14:16:23 Views: 223
• 

  (11) Hibernate lazy loading

  1. The difference between get and load methods? Get: load in time, as long as you call the get method to query the database immediately: lazy loading is used by default, and the database is queried only when the data is used. 2. Lazy loading (lazy) 2.1.Conceptual concept: only when data is used

  2022-06-01 14:16:23 Views: 281
• 

  MongoDB enables authentication

  MongoDB supports various authentication mechanisms, such as enabling access control for stand-alone mongod instances and using the default authentication mechanism. After the user administrator enables access control, make sure you have userAdmin or userAdm in the admin database

  2022-06-01 14:16:17 Views: 205
• 

  Mysql database simple installation (binary)

  Binary installation: [root@lufengcentos ~] # mkdir / home/lufeng/tools-p [root@lufengcentos ~] # cd / home/lufeng/tools

  2022-06-01 14:15:54 Views: 215
• 

  MongoDB practice (3) fixed set and GridFS

  1. Fixed sets (Capped Collection) capped collections is an excellent collection with a fixed size, with LRU (least recently used by Least Recently Used) rules and insertion order

  2022-06-01 14:15:54 Views: 252
• 

  Installation Oracle11gR2 RAC One Node-create an ASM disk group

  Chapter 3, create ASM disk group after logging in with grid users, enter asmca, enter password, create disk group create, create FRA disk group ok, and create DATA disk group in the same way. The result of the successful creation is as follows. The ASM disk group is created and enabled.

  2022-06-01 14:15:33 Views: 255
• 

  Kudu 1.8.0 compilation installation configuration

  Recently, I experienced the Rebalance function of kudu 1.8, and it felt very good. What is particularly uncomfortable is that the volume of the program after compilation and installation is so large that it is unheard of, reaching a terrible 46GB. Friends, you should be prepared before installation. Installation environment Sy

  2022-06-01 14:15:33 Views: 297
• 

  MySQL command line import .sql script

  Add an environment variable for MySQL MySQL installation path\ bin start the MySQL service C:\ Users\ Administrator > net start mysql enter MySQL C:\ Users\ Administr

  2022-06-01 14:15:32 Views: 282
• 

  Practice of mysql incremental backup and recovery

  Backup: mysqldump-uroot-packs *-A-B-F-- master-data=2-- single-transaction-- events > / root/all.sql restore: my

  2022-06-01 14:15:23 Views: 289
• 

  [fault handling] enq IV-contention case of queue waiting

  [fault handling] queue waiting enq IV-contention case 1.1 BLOG document structure figure 1.2 introduction 1.2.1 introduction and precautions Technical enthusiasts, after reading this article, you can master the following skills, or you can learn some of them

  2022-06-01 14:14:56 Views: 214
• 

  Master-slave copy of mysql. Slave library is set to read-only and cannot write.

  Mysql master-slave replication, mainly through the binlog log to achieve the main steps: 1, master authorization slave library connection (operation on master) grant replication slave on. To 'backup' (user name

  2022-06-01 14:14:55 Views: 242
• 

  The way to Oracle Learning-SQL articles-preliminary data

  Start to turn to Oracle, record your learning history and create some tables first:-/ create a student table create table student (sno varchar2 (10) pri)

  2022-06-01 14:14:55 Views: 225