NAV: SLTechnology News&Howtos > Database >

• 

  Oracle Study-- PL/SQL Developer Software error

  Oracle Study-PL/SQL Developer Software error blog launched in 51cto and CSDN at the same time system environment: operating system: Windows XP (64) Software: PL/SQL Devoloper 8.

  2022-06-01 18:37:16 Views: 221
• 

  Oracle timestamp cannot display detailed data on the client side

  Use the following statement: O_CHAR (pubtime,'yyyymmdd HH:mm:ss'), for example: select id,TO_CHAR (pubtime,'yyyymmdd HH:mm:ss'), content

  2022-06-01 18:37:16 Views: 243
• 

  Basic operating commands of mongodb

  = = basic operation command of mongodb = DDL operation =

  2022-06-01 18:37:16 Views: 236
• 

  MySQL data types-date and time types

  1. Background * MySQL supports a variety of date and time data types, such as YEAR, TIME, DATETIME, TIMESTAMP, etc. * microseconds are supported in MySQL version 5.6.4 (support types: TIMTE, DATE

  2022-06-01 18:37:01 Views: 233
• 

  Dealing with the problem that the Backspace key can not be used under the session of sqlplus

  People who may have used sqlplus know that the direction keys and backspace keys cannot be used normally in the session interface after sqlplus is connected to Oracle. This is a troublesome point. There is often a sentence of sql written wrong, and you have to start all over again if you can't modify it.

  2022-06-01 18:37:01 Views: 300
• 

  Oracle Rookie Learning installs Oracle on RedHat 6.5

  Oracle rookie Learning installs Oracle 11G on RedHat 6.5. launch: http://www.arppinging.com/wordpress/?p=90 pre-installation preparation work upload database software to / tmp/

  2022-06-01 18:37:01 Views: 297
• 

  MYSQL password recovery for single instance and multi-instance

  1. In the MYSQL database of single instance: killall mysqldmysqld_safe-- skip-grant-tables & mysqlupdate mysql.user set password=

  2022-06-01 18:37:00 Views: 270
• 

  Detailed explanation of redis-trib.rb command

  The redis-trib.rb command explains that redis-trib.rb is an official management tool for Redis Cluster without additional download. It is located in the src directory of the source package by default, but because the tool is developed in ruby, you need to prepare relevant

  2022-06-01 18:37:00 Views: 294
• 

  Mysql error: Row size too large (& gt; 8126).

  Mysql version: mysql 5.6mysql engine: default InnoDB problem cause: because a defined role information table has nearly 300 columns, and most of them are blog data types, the data storage times error: Row size too large

  2022-06-01 18:37:00 Views: 264
• 

  Database connection for Java basic Learning

  Database operations mysql add, delete, check and change mysql > show databases; database display mysql > use java12 use database mysql > drop table person; delete table Query

  2022-06-01 18:37:00 Views: 224
• 

  Open source components: (4) write a simple ORM mapping BaseDAO.java with metadata and BeanUtils

  1. JDBC metadata can be used in jdbc: database metadata, parameter metadata, result set metadata (1) Database metadata can be obtained by getMetaData () method of Connection object.

  2022-06-01 18:36:59 Views: 293
• 

  Mesos: persistent volume used by the database

  Summary: Mesos provides a subtle, thoughtful API for many different user scenarios. Persistent volumes are a feature introduced by the new acceptOffers API. Persistent volumes allow users to build a database framework for Mesos, and Mesos can do anything that does not

  2022-06-01 18:36:58 Views: 263
• 

  How do I batch replace a specific character in a string?

  Two days ago, the leader suddenly gave me an excel file (the encoding of this file is only a simple one, such as' C001encoding, rather than a sql statement like the one in Table A), there is a code corresponding to rule_code, and the leader asked me to put the ori_sql column w in Table A.

  2022-06-01 18:36:58 Views: 275
• 

  Memo for asynchronous processing of oracle Dataguard database

  Before I got up, the damn phone rang. A stressful news: the dataguard database master is out of sync, so get up and work quickly. The first step is to check the alarm log log.xml. Open your eyes and look carefully, do not see any abnormal output; then use tools such as grep to filter one

  2022-06-01 18:36:56 Views: 206
• 

  Oracle manually deleted the library

  Today, because the insertion of Chinese is garbled, it is found that the character set is not ZHS16GBK, so I am going to delete and rebuild SYS@icsdb > alter database close;alter database close*. There is an error on line 1.

  2022-06-01 18:36:56 Views: 269
• 

  Summary of GoldenGate version compatibility knowledge

  In order to better understand the knowledge of OGG, the official documents are systematically summarized and studied. In the later stage, a series of OGG articles will be launched to record the knowledge learned by OGG. 1. GoldenGate version compatibility before installing and configuring OGG software, you need to adhere to OGG for

  2022-06-01 18:36:55 Views: 261
• 

  How to retrieve deleted data through BBED

  Project case: the customer deleted the important data of delete without backup. The customer contacted me and asked to restore the corresponding data. This time, the customer site is reproduced by experiment. Backup is above all else, back up first, and then operate to create the table: create table king (age num

  2022-06-01 18:36:54 Views: 292
• 

  Mysql Error1093 error

  Scene demonstration: mysql > create table test (id int,name varchar (12), primary key (id)); Query OK, 0 rows affected (0.

  2022-06-01 18:36:53 Views: 217
• 

  (01) getting started with Hibernate

  1. The position of Hibernate in SSH the role of SSH serial number technology the application layer framework technology of 1Struts based on mvc mode! 2Spring creates objects, handles object dependencies, and integrates frameworks! 3Hibernate persistence layer-based framework (data

  2022-06-01 18:36:50 Views: 214
• 

  12cR2_AWR related parameter setting

  Oracle 12cR2 performance optimization documentation. Https://docs.oracle.com/database/122/TDPPT/oracle-database-performance-method.htm

  2022-06-01 18:36:50 Views: 245