NAV: SLTechnology News&Howtos > Database >

• 

  Python 3 problems connecting to Inception using pymysql

  When pymysql connects to Inception, there will be a value error problem when judging the version. The reason is that pymysql passed'.' To split, but the Inception version information is like this. / mysql-VVer 1

  2022-06-01 14:47:23 Views: 298
• 

  View all triggers in the current library and their corresponding table names

  SELECT tb2.name AS tableName,tb1.name AS triggerName FROM Sysobjects tb1 JOIN Sysobjects tb2 ON tb1.

  2022-06-01 14:47:23 Views: 259
• 

  Mysql finally adds + Java to connect to the database

  The Truncate table table name deletes all the data in the table directly. Unlike delete, this method cannot be selected using where, and can only be deleted. Truncate table users;Java connection database: package

  2022-06-01 14:47:22 Views: 216
• 

  Install DBD::Oracle, DBI and Ora2Pg under Linux

  Media download path: DBI: http://www.cpan.org/modules/by-module/DBI/DBD:http://www.cpan.org/modules/by-module/DBD/O

  2022-06-01 14:47:22 Views: 204
• 

  Use of PostgreSQL login tools pgAdmin and psql

  Postgresql-9.4 version: pgAdmin IIIpostgresql-11.5 version: pgAdmin4 double-click pgsql\ pgAdmin4\ bin\ pgAdmin4.exe to start pgA

  2022-06-01 14:47:22 Views: 293
• 

  Proxysql master-slave replication read-write separation configuration process record

  1. Environmental information software GitHub address: https://github.com/sysown/proxysql/ software official website: https://proxysql.com/ system version: [root@12c proxys

  2022-06-01 14:47:22 Views: 257
• 

  Summary of oracle dataguard daily maintenance commands

  1. Stop Standbyselect process, status from vastly manageable standby;-- check whether the slave library is using the application log to restore alter database recover ma

  2022-06-01 14:47:21 Views: 279
• 

  Oracle installation graphical interface displays putty+xming

  The following is the configuration of putty and Xming: 1, enter the hostname to be connected, port: 22 connection type: SSH2, login name, it is more important here, it is best to connect directly with oracle, login with other users and then su to oracle, login will occur.

  2022-06-01 14:47:19 Views: 299
• 

  MongoDB (2): add, delete and modify operation

  Additional commands: 1. Enter the front-end operation command. / mongo [ip: Port] description: local and port 270172 will be automatically selected by default, all libraries > show dbs; or show databases;3 will be displayed, and libraries > use will be selected.

  2022-06-01 14:47:11 Views: 204
• 

  Enumeration and demonstration of various recovery scenarios in oracle

  Recovery scenarios where SPFILE files are corrupted: scene recovery operations SPFILE files are corrupted: backup SQL > startup nomount;RMAN > restore spfile from'/ backup/ctl_XXXX'

  2022-06-01 14:47:11 Views: 252
• 

  Five problems to be solved in the Construction of Enterprise Private Cloud by OpenStack

  OpenStack has become a trend, but the release OpenStack is not perfect. In order to build a private cloud, enterprises must fully understand the shortcomings of the release OpenStack in advance and seek the help and cooperation of professional OpenStack providers.

  2022-06-01 14:47:08 Views: 269
• 

  Centos7 install mysql

  Reference: http://www.centoscn.com/mysql/2016/0315/6844.html to check whether mysql is installed: # rpm-qa | grep-I mysql//

  2022-06-01 14:47:08 Views: 234
• 

  Wang Gaoli: introduction to Redis

  For redis installation, please click here: Redis installation redis data structure 1. Stringstring is a simple type, which can be understood as the same type as Memcached, and one key corresponds to one value; supported operation also with Memcach.

  2022-06-01 14:47:08 Views: 260
• 

  Deployment of sql server database

  Overview of http://xiaorenwutest.blog.51cto.comSQL Server database deployment: database is now an essential storage tool in enterprises, which is used for member login, website, and dynamic web content transfer.

  2022-06-01 14:46:38 Views: 244
• 

  Minimum fee for Oracle OCM certification

  About the lowest price for the Oracle OCM exam: many training centers advertise the training price, each lower than the other. We need to note that the price evaluation criteria need to be established under the premise of ensuring the quality of Oracle training. Many training institutions claim that OCP

  2022-06-01 14:46:37 Views: 281
• 

  Oracle controls file movement

  Oracle Mobility Control File OS:Windowsoracle:10g Mobility Control File migrates the current control file from the current location to another new location. Six steps to control file movement: 1. Get the control file name: SQL > select statu

  2022-06-01 14:46:07 Views: 285
• 

  Redis-3.2 Master-Slave replication and Cluster Construction

  1. Redis master-slave building 1. Download and extract yum install-y gcc gcc-c++ pcre zlib pcre-devel tcl wget http://download.redis.i

  2022-06-01 14:46:07 Views: 220
• 

  ORACLE 12C Foundation

  1. CONSTRAND ID 0 is cdb,1 is cdb$root, 2 is pdb seed,3 and above is pdb2. Since the growth list is before 12c, Oracle can only implement this function through sequence sys@newtestCDB > c

  2022-06-01 14:46:01 Views: 216
• 

  Install mongodb under mac

  Using port to install, it's simple: jintekiMacBook-Pro:bin jinyonghua$ port install mongodbError: Insufficient privileges

  2022-06-01 14:46:00 Views: 222
• 

  7. PL_SQL PL_SQL-embed query statements, SQL statements, transaction statements, and cursor attributes in SQL programs

  There are mainly the following types of SQL statements that can be used in PL/SQL: SELECT query statements, DML statements, Transaction transaction statements and cursor properties. This paper will introduce the usage of these statements in PL/SQL one by one. I. query language

  2022-06-01 14:45:55 Views: 251