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  Goldengate re-or add synchronized partial tables

  1. Check the primary key, check that the table to be synchronized has a primary key, and if not, add the primary key; 2. Add additional logs for the table: dblogin userid goldengate, password goldengateadd trandata

  2022-06-01 12:07:07 Views: 251
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  Oracle enhanced grouping function

  The ROLLUP () function is an extension of GROUP BY grouping statistics, which can achieve the effect of summation of grouping statistics. Let's start preparing the environment for our experiment-- create a new table employee_salary and store data from the user hr.emplo

  2022-06-01 12:07:07 Views: 257
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  Oracle:impdp import waiting for statement suspended, wait error to be cleared

  Use the data pump impdp to transfer data to the development database, but it feels stuck when it is imported into INDEX. Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX---- view status, C

  2022-06-01 12:07:06 Views: 242
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  MyCat self-increasing primary key

  Global serial number is a new function provided by MyCAT. In order to realize the case of sub-library and sub-table, the primary key of the table is globally unique, but the default self-growing primary key of MySQL can not meet this requirement. The syntax of the global serial number conforms to the standard SQL specification, and its format is: next value

  2022-06-01 12:07:06 Views: 279
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  Which is easy to learn, sql or access?

  This article will explain in detail which is easy to learn about sql or access, and the content of the article is of high quality, so the editor will share it for you as a reference. I hope you will have a certain understanding of the relevant knowledge after reading this article. ACCESS is a basic software of office, which is simple and easy.

  2022-06-01 12:07:06 Views: 254
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  What is a SpringBoot transaction

  What is a SpringBoot transaction? Many novices are not very clear about this. In order to help you solve this problem, the following editor will explain it in detail. People with this need can come and learn. I hope you can gain something. Important concept autocommit mode for mysql databases, default

  2022-06-01 12:07:06 Views: 225
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  What is redis cluster configuration and management

  This article is to share with you what is redis cluster configuration and management, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article. Let's take a look at it with the editor. Redis is supported after version 3.0

  2022-06-01 12:07:05 Views: 212
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  How much redis cache data can be cached at most

  Today, I will talk to you about the maximum amount of redis cached data that can be cached. Many people may not know much about it. In order to make you understand better, the editor has summarized the following for you. I hope you can get something from this article. Redis plays a more and more important role in distributed applications.

  2022-06-01 12:07:05 Views: 239
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  SQLserver queries all tables and all columns below the table

  SELECT (case when a.colorder=1 then d.name else null end) table name, a.colorder field serial number, a.name field name, (case

  2022-06-01 12:07:05 Views: 270
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  What are the uses of redis

  In this issue, the editor will bring you about the usefulness of redis. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article. About Redis Redis is a high-performance key-value database

  2022-06-01 12:07:05 Views: 261
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  CentOS compilation and installation of MongoDB

  1. Environmental system CentOS6.4x64 minimizes installation of IP 192.168.3.33 2. Install [root@mongodb-2] # curl-O https://fastdl.mongodb.org/li

  2022-06-01 12:06:44 Views: 294
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  Analysis of COUNT () function

  With regard to the parsing of COUNT () function in Mysql database, most programmers and database engineers have different views on Count (1) and Count (*). Some say that Count (1) has better query performance than Count (*).

  2022-06-01 12:06:44 Views: 239
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  Integration of building nagios+nconf+cacti+npc in production environment

  System: CentOS6.5 kernel version system: 2.6.32-431.23.3.el6.x86_64 shuts down iptables, yum I before selinuxchkconfig iptables off installation

  2022-06-01 12:06:44 Views: 206
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  Multiple methods for backing up Mysql database

  The backup of Mysql database is the most important. In the process of production, the database will lose data due to hardware failure, software failure, *, misoperation and so on, but after precise backup, the data can be recovered completely. First, backup tools here introduce several commonly used backup methods c

  2022-06-01 12:06:44 Views: 207
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  Sql with oracle link server

  D:\ app\ Administrator\ product\ 11.2.0\ dbhome_1\ NETWORK\ ADMINtnsnamesORCL = (DESCRIPTION = (ADDRESS = (PR

  2022-06-01 12:06:43 Views: 254
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  Delete or backup toad to save the user name and password to connect to the database

  The Toad version is "Toad for Oracle 12.1." there is this connection window every time you open toad, but my next two connections are not in use now, but I can't find the delete option. Locally, there is C:\ Users\ one\ AppDa

  2022-06-01 12:06:37 Views: 223
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  Hbase installation of hadoop

  Description: hadoop installation: http://kexl908.blog.51cto.com/605006/812494Hbase connected to the above hadoop installation environment to continue the installation, the environment IP unchanged 1 Hbase software installation

  2022-06-01 12:06:32 Views: 274
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  Solaris 10 (x86) to build Oracle 11gR2 RAC-- configure system environment (2)

  Solaris 10 (x86) build Oracle 11gR2 RAC-- configure system environment (2) system environment: operating system: Solaris 10 (x86-64) Cluster: Oracle GRID 11.2.0

  2022-06-01 12:06:26 Views: 226
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  How to build an index when the amount of MongoDB data is large-- reduce the minimum impact of the business

  When the amount of data or requests is large, and direct indexing has a significant impact on performance, you can make use of replication sets (when the amount of data is large, it is generally an online environment, the use of replication sets is an inevitable choice or shards are used.) The downtime of some machines does not affect the working characteristics of the replication set, and then the index is established. Remarks: add

  2022-06-01 12:06:26 Views: 262
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  Summary of Oracle RAC installation steps:

  Summary of Oracle RAC cluster installation steps: 1. Install and configure the operating system, set operating system security policies, set services that do not need to boot automatically, and delete unnecessary accounts; 2. Planning and configuration server public network IP address (Public IP), virtual IP address

  2022-06-01 12:06:25 Views: 225