sql server 2014 slow performance

Label:Recent work requires Oracle-based connectivity to SQLserver2014, and we can implement this by configuring the gateway. The essence of this gateway is achieved through Dblink. That is, SQL Server is modeled as a remote Oracle instance, which is handled by the gateway to receive, forward, and so on. This article briefly describes its configuration process.I. Introduction of installation Environment12.1.

configuration file that describes the computer's connection environment when you want to connect to the database engine, and then click Next. In the Name dialog box, enter a name and description for this rule, and then click Finish. Open access to SQL Server when using dynamic ports On the Start menu, click Run, type Wf.msc, and then click OK. In Windows Firewall with Advanced Security, in

There are many reasons for slow query speed in SQL Server databases. The following are common causes: 1. No index or no index is used (this is the most common problem of slow queryProgramDesign defects) 2. Low I/O throughput, resulting in a bottleneck effect. 3. the query is not optimized because no computing col

workaround for SQL Server 2014 failed to open user default database Logon failure error 4064Did a stupid thing in the evening, deleted the administrator account of the default database, followed by a header error.The solution is as follows:First step: Open the Command consoleWin+r open Run, input cmdThe second step: copy and paste the following commandSQLCMD-E-D

\MSSQL12. Mssqlserver\mssql\data\testmemorydbdirectory ')to filegroup fg_testmemorydb;The CONTAINS memory_optimized_data clause specifies the filegroup that is used to store the memory tuning table data. Specifies that's filegroup stores memory_optimized data in the file system. Only one memory_optimized_data filegroup are allowed per database. Second, create the memory tuning table In the Memory tuning table of SQL

Data Explorer is a new feature in SQL Server 2014 that will be released soon. With this feature, self-help business intelligence in enterprises will become more flexible and thus lower the threshold for business intelligence. Data Explorer Preview for Excel provides a new way for self-service Business Intelligence to discover, integrate, and extract Data. If you

Data Explorer is a new feature in the upcoming SQL Server 2014, which is a feature that makes self-service business intelligence in an enterprise more flexible and thus lowers the threshold for business intelligence. Data Explorer Preview for Excel provides a new way to discover data for self-service business intelligence, consolidate it, and refine it. If you a

Tags: PNG hint logs database restore recovery hit DB name statusUse a library to restore B library? Perform a restore of the B library in use, modify the database name when restoring, and restore an error, prompting the database for use. Delete B library, still hints are being used, feel like zombies ?? Restart SQL SERVER, because B library has been deleted, click the Restore button o

There are many causes for slow query speed of SQL Server databases. The following are common causes: 1. No index or no index is used (this is the most common problem of slow query and is a defect in programming) 2. Low I/O throughput, resulting in a bottleneck effect. 3. the query is not optimized because no computing