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  Review of Oracle system

  This article is for the learning process of personal experience and summary, non-authoritative, only for reference and sharing Oracle database, is currently one of the mainstream databases, why is it one of the mainstream databases, there are some mainstream databases but wordy (Mysql,DB2,SQL SERVER,Syb

  2022-06-01 10:03:52 Views: 209
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  PL/SQL programming of Oracle _ data types and defining variables and constants

  Basic data types-- 1. The numeric type NUMBER (PPMAE S) parameter P represents

  2022-06-01 10:03:52 Views: 300
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  System error 5 occurred in net start mysql. Access denied.

  After installing mysql-5.7.19 in Windows yesterday, I want to restart the system today, so I want to shut down mysql first and report this error when rebooting the host and shutting down in cmd > system error 5 occurred in net start mysql. Refuse to visit

  2022-06-01 10:03:51 Views: 222
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  12c archive_lag_targe forced log switching

  12c R1 test environment ARCHIVE_LAG_TARGET forces a log switch after the specified amount of time elapses.A 0 valu

  2022-06-01 10:03:51 Views: 275
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  Python determines whether the result returned by the database is empty.

  Python can use cursor.count () to determine whether the mongo query result is empty, and if it is 0, the query return result is empty. Conn = pymongo.MongoClient (host= "192.168.3.6)

  2022-06-01 10:03:51 Views: 276
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  The Learning of AIX system-- uninstalling Software errors

  AIX system learning-uninstall software error system environment: operating system: AIX 5.3.8Oracle: Oracle 10gR2 case study: HACMP installation failed, uninstall hacmp encountered the following error: [root@aix213 /] #

  2022-06-01 10:03:50 Views: 266
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  The problem of calling procedure with or without call in Access2010

  In today's class, I told the students about the procedure call in access2010. All the access2010 materials I have seen in my impression mentioned that the procedure call call can be omitted. But there are problems in class! First, the role of situational reproduction in the process of explanation.

  2022-06-01 10:03:48 Views: 280
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  Oracle Learning Notes (continued)

  Following the above Oracle Learning Notes PL/SQL data paging Java calls the stored procedure create table book (bookId number, bookName varchar) with no return value

  2022-06-01 10:03:48 Views: 255
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  C # displays the cursor dataset returned by the stored procedure

  1.-- Oracle creation package declares custom cursor types create or replace package pk_Var istype csr_tp is ref cursor;end;2,-- Oracle

  2022-06-01 10:03:48 Views: 251
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  DDM practice: a scheme for smooth expansion of database in a second

  Some of the contents of this article are excerpted from the product introduction of distributed database middleware (DDM) service of Huawei Cloud help Center. With the growth of business, the logical library storage space is insufficient and the concurrency pressure is great. At this time, the solution can smoothly expand the logical library of DDM instances, and increase the number of RDS instances.

  2022-06-01 10:03:44 Views: 252
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  Using Oracle ADF Faces in existing jsf web applications

  Oracle ADF Faces (adfFaces) provides rich UI components to simplify your web application development. You can understand the use of adfFaces by learning the sample code, which defines an API and a

  2022-06-01 10:03:44 Views: 248
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  57-1, 2, 3 NoSQL Foundation and MongoDB, Mongo

  02MongoDB basic application configuration environment: node1:192.168.1.121CentOS release 6.7[ root@node1 ~] # cd mongodb-2.6.4/ [root@node1

  2022-06-01 10:03:43 Views: 308
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  Zabbix installation

  System: centos 6.8Software package: mysql-5.6.35.tar.g nginx-1.10.3.tar.gz php-7.1.2.tar.gzlibmcrypt-2.5.7.tar.gz pcre-

  2022-06-01 10:03:43 Views: 299
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  Judgment of physical Writing & Media recovery & instance recovery & incremental checkpoint

  Detection of physical writes: select * from v$sysstat where lower (name) like 'physical writes%';physical writes 8 9 119 / /

  2022-06-01 10:03:43 Views: 257
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  Summary of oracle common commands

  Log in to oraclesqlplus / as sysdbaSQL > startup-- start oracle database SQL > shutdown immediate-- stop database conn smsdb/pas

  2022-06-01 10:03:42 Views: 245
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  Mysql- 5.7 binary installation

  1. Extract the installation package: tar-zxvf mysql-5.7.23-linux-glibc2.12-x86_64.tar.gz create mysql directory: mkdir-p / data/mysqlcd / data/m

  2022-06-01 10:03:42 Views: 203
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  Redis data backup and recovery

  The Redis SAVE command is used to create a backup of the current database. Syntax the basic syntax of the redis Save command is as follows: redis 127.0.0.1 SAVE instance redis 127.0.0.1 redis 6379 > SA

  2022-06-01 10:03:42 Views: 246
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  Oracle11g archiving mode

  Oracle 11g archiving mode to understand the archiving mode of oracle, you need to understand how oracle works. To put it simply, oracle records all data processing tasks (transactions), and everything is recorded in a log. To turn on archiving mode, to put it simply, it is

  2022-06-01 10:03:42 Views: 222
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  MySQL Cluster Manager 1.4 user's Manual-A2

  Table A.2 data node configuration parameters

  2022-06-01 10:03:39 Views: 255
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  Brief introduction of 4:GTID

  Summary: when using GTIDs, each transaction can be identified and tracked because it is committed on the original server and is applied by any slave; to put it simply, all transactions committed by master are applied once in slaves, and the data of the two are consistent.

  2022-06-01 10:03:38 Views: 218