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Label:In-memory database, which refers to the direct manipulation of database data in memory. Compared to the storage on the disk, memory data read and write speed is much higher, so it can improve the performance of the application. Microsoft's SQL Server 2014 was officially released on April 1, 2014, and the
An index is a database object used to accelerate database queries. The principle is to reduce the IO operations of the query to accelerate. Index types:• Clustered index: sort and store the data rows according to the key values of the data rows in the table or view. • Non-clustered index: it has a structure independent of data rows. • unique index: Make sure that the index key does not contain duplicate values. Indexes created on SQL
The syntax of the create statement is the same, and the data types are different. However, the syntax for creating a table using subqueries is different. SQL Server statements created using subqueries:Select empno, ename, Sal * 12 annsal, hiredate into dept30 from EMP where deptno = 30; Oracle uses query to create a table:Create Table dept30 Select empno, ename, Sal * 12 annsal, hiredate From EMP Where de
Label:In today's article I would like to talk about the cache pool extensions introduced in SQL Server 2014 (buffer pools Extensions). As we all know, in SQL Server, the cache pool is the primary memory consumer. When you read data from your store, the data is cached in the
Tags: multiple instance case adaptation MTU List host difference reference available memoryFirst, plan and successfully complete the installation of SQL Server 2014 1, planning systemBefore installing SQL Server, the first step should be a reasonable plan. The following are
Tags: properties LTE record recovery database varchar OBJECT_ID New entityMemory-Optimized tables are a new feature of SQL Server 2014, which can put tables in memory, which significantly improves DML performance.For memory-optimized tables, refer to the two Heroes article: SQL Ser
Label: AlwaysOn Enhanced Features SQL Server 2014 contains the following enhancements for AlwaysOn failover cluster instances and AlwaysOn availability groups: The Add Azure Replica Wizard simplifies the creation of hybrid solutions for AlwaysOn availability groups. For more information, see Using the Add Azure Replica Wizard (
How to remotely log on to the SQL Server 2014 Database: sql2014 Log on to the SQLServer (2014) database remotely for your reference. The details are as follows: Two computers with the same IP address and CIDR Block in the same LAN Configuration: Computer1: Windows 10, Install SQL
Comparison of several scenarios for high availability in SQL Server 2012, where AlwaysOn advantage is compared to several scenarios for SQL Server 2012 high availability and disaster recovery, replication, clustering, mirroring, what are the advantages of new technology AlwaysOn,This article will make a rough compariso
SQL Server, R2, 2014 fully supports TLS1.2 encrypted transferMicrosoft is pleased to announce that all major SQL Server client-driven and SQL Server distributions have supported transpo
SQL Server 2014 new features-buffer pool extension (Extension)Supported versionsBuffer pool Extension This feature is available only for 64-bit SQL Server enterprise/business intelligence/standard versions.Terminology interpretationBufferIn
The IT industry is already in the cloud, and more and more enterprise IT infrastructures will be deployed in public, private, or mixed clouds, and it will be important for the database to be the most important part of the IT infrastructure to be integrated into the cloud. SQL Server 2014 opens up the relationship between the public cloud and the organization, whe
Tags: SQL Server 2014 log shipping13.4 Fail-Over13.4.1 Fault LocationAs explicitly mentioned in the previous sections, log shipping consists of three basic jobs: backup jobs, copy jobs, and restore jobs. Use the previous festive log transfer monitoring function to locate which job has a problem:If there is a problem with the backup job, check the primary
This is my manuscripts in IT168, the original address: http://tech.it168.com/a2014/0620/1637/000001637358_all.shtml The IT industry has entered the cloud era, and more and more enterprise IT infrastructures will be deployed in public, private, or hybrid clouds, and the database as the most important part of the IT infrastructure and the cloud will become very important. SQL Server
Label:For SQL Server databases, performance has been a topic that is not always around. And when we analyze and study performance issues, the execution plan is one of the priorities we've been focusing on. We know that at compile time, SQL Server chooses a current best execution plan to execute the statement based on t
Label:In today's article, I'd like to talk about the cool boost in SQL Server 2014: Now you can finally suppress queries based on the IOPS you need! The resource governor (Resource Governor) was introduced from SQL Server 2008, but the functionality offered is limited: You c
Tags: MCTThe following series of official training courseware for SQL Server 2014 has been released.The required MCT (Microsoft Certified Instructor) can download these courseware by logging in to the official HTTPS://MOCL.ONE.MICROSOFT.COM/CWDL ID.10977b:updating Your SQL Server
Label:Original: How SQL Server 2014 promotes non-online online operationsIn today's article, I would like to talk about the online index Rebuild operations, and how they have been promoted in SQL Server 2014. As we all know, the o
Tags: SQL Server 2014 log shippingSQL Server 2014 Log Shipping Deployment (1): Log shipping Overviewhttp://281816327.blog.51cto.com/907015/1598309SQL Server 2014 Log Shipping Deployment
13.2 Deployment of log shipping13.2.1 system requirements for deployment log shippingThe deployment of SQL Server 2014 log shipping requires a hardware infrastructure that outlines these system requirements.InternetLog shipping does not necessarily require a Windows domain environment, but the Windows domain environment facilitates the configuration and managemen
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