oracle 12c database new features for dba

Access vector based functions through SQL and Python to improve programming speed and productivity. Distributed query processing and the use of RLE compression to deal with large data analysis in the capital market. Federal Road, Washington, October 27, 2014 –mcobject® announced that extremedb® Financial version 6.0 has been officially released, which is also an important upgrade to the capital market database system technology. The improvements incl

Tags: size Create drop string Lin Color runner json loadAtitit dbservicev4qb9 database query class library v4 new features V4 new Features security features, shielding the executeupdate , using version v2 SQL Exception conve

This month, the Chinese version of MySQL Database on Azure released two new features:1. master-Slave copy--read-only instancePrior to this, the MySQL database on Azure is also supported for master-slave replication, but the MySQL database on slave instance--azure that can on

this domain. Localstorage can only store simple format data key-value this data format, and Websql storage scheme provides a table similar to relational database, capable of manipulating the database in the form of SQL statements. Websql is also easy to use:you can read the Web SQL database specification for more details on how to use the API. You can read the a

encrypt the backup file during the backup process. Currently, the supported encryption algorithms include AES 128, AES 192, AES 256, and Triple DES. Certificates or asymmetric keys must be used for encryption during Backup.5. New designs for base EstimationThe base estimation logic, called the base estimator, has been redesigned in SQL Server 2014 to improve the quality of the query plan and therefore improve the query performance. The

Brief introduction SQL Server 2014 offers a number of exciting new features, but one of the most anticipated features I think is the memory database. When I attended the opening of SQL Pass Summit 2012 in Seattle last year, Microsoft announced that a memory database engine,

How to get started with the new MySQL database features stored procedures Tutorial In MySQL 5, the new feature of stored procedures is finally introduced, which will greatly enhance the database processing capability of MySQL. 　　In this article, you will be instructed to qui

The new ALTER Database SCOPED configuration (Transact-SQL) is used to configure the database-level configuration. This statement can configure the configuration of each database: Cleanup process Cache Set the MAXDOP parameter to configure primary and secondary Set the evaluation mode for the query opti

New Features of MySQL 5.0 database Stored Procedures When you submit a query, MySQL will analyze it to see if some optimization can be done to make it faster to process the query. This section describes how the query optimizer works. If you want to know the optimization methods used by MySQL, you can refer to the MySQL reference manual. Of course, the MySQL query

Once we mention the database, we will naturally think of Oracle. This company was founded in 1977 and was initially a database development company. It is invincible in the development field of Oracle databases. In 1984, relational databases were first transferred to desktop computers. Then, Oracle's next version, versi

Introduction: Oracle 10gThe availability is much higher than the previous version.Virtual Private DatabaseThe working method is to provide users with a local view of the table based on a series of defined standards by transparently changing requests for data. During running, all queries are appended with a predicate to filter the rows that the user can see. For example, if you are only allowed to view the account administrator SCOTT's account, VPD aut

Oracle database backup and recovery is not accessible to every Oracle database administrator. Oracle Database Backup has three methods, each of which has different recovery features. Th

Days ago,OracleThe company announced thatOracle DatabaseThe 11g version 2 and Oracle Real Application cluster launched the New Oracle VM Templates to help users quickly deploy high-availability virtualized databases. The new Oracle VM Templates released by

Briefly describe the process of adding a node in the Oracle 10203 for Solaris SPARC Dual-node environment. Shared storage is already configured on a third node, which focuses on the configuration on the operating system and on Oracle. This article adds a database instance on a new node. First make sure that the

level) => transaction A starts, update table 1. rowA but not submitted => transaction B updates table 1. rowA, blocked due to row locking => transaction A commit => transaction B reports A ORA-08177 error.(2) The initrans parameter of the updated table is too small. According to the official Oracle documentation, if the serialize isolation level is used, the minimum value of the initrans parameter of the table must be set to 3 (the default value is 1

Guidance:BecauseOracle Database BackupThere are three methods, each of which has different recovery features. Therefore, you should integrate database and file system backup, integrated logical backup and physical backup. I. Backup Policy 1. At the operating system level, a large disk array is used to automatically distribute each

Oracle The new experience of ORACLE's virtual Private database =============================================== Welcome everyone to exchange with me: small white enhydra_boy@tom.com Welcome to reprint, please keep this statement, thank you! ================================================ Before beginning the introduction of virtual Private

Oracle_home host_name================================================================================+asm1/u01/app/12.1.0.2/grid Lunarrac[Grid@lunarrac ~]$Create an ASM SPFile[Grid@lunarrac ~]$ SSSql*plus:release 12.1.0.2.0 Production on Sun Feb 14 19:08:33 2016Copyright (c) 1982, 2014, Oracle. All rights reserved.Connected to:Oracle Database 12c Enterprise Edit