max degree of parallelism sql server 2014

SQL Server 2014 CTP2 publishes a feature for backup, which is native backup encryption. In view of the previously bad impact on the network database leakage events, is essentially a database backup leaked to the third party, SQL Server's original data backup can make even if the backup itself is stolen, without the enc

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

SQL Server 2014 introduces a memory database, which is a very good function. Data can be directly stored in the memory, which can be operated directly on the memory, greatly improving the performance. Today, I think of a problem. What happens if the table grows bigger and the database memory is insufficient. Because Microsoft's msdns writes the following content

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

Power query and power map are new features for Excel in power Bi, which was released by Microsoft shortly before WPC. With these two features, self-service bi will make it easier for you to discover and process data and enrich the visualization of your data. The predecessor of power query and power map are data explorer and Geoflow, both of which are mentioned in SQL Server

Brief introduction The column storage index already exists in SQL Server 2012, but only nonclustered column indexes are allowed in SQL Server 2012, which means that the column index refers to the underlying data on the original row storage index, and therefore consumes more storage space, But the biggest constraint in

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

Tags: modify share picture authentication 9.png LSE Connections bin Firewall andThis article scenario applies to the Microsoft SQL Server 2008/2012/2012 r2/2014 version, hereinafter referred to as MSSQLSERVER.MSSQL does not allow remote connections, and the SA account is disabled by default. If you want to connect MSSQLSERVER on a remote

Label:Writing:Pretend to have a table shop, which has a list of shopname, taking 100000 to 100,050 data. The writing of Row_number SELECT * from (SELECT Over (ORDER by Shopname) as R from Shop ) T WHERE R>100000 and R100050 The writing of Offset,fetch SELECT from Shop ORDER by Shopname OFFSET 100000 ROW FETCHNEXT Comparison:The difference in execution time can be clearly seen when 100,000 data are taken. Although the previous people have given a lot of arguments, I will stick to th

Brief introduction The column storage index already exists in SQL Server 2012, but only nonclustered column indexes are allowed in SQL Server 2012, which means that the column index refers to the underlying data on the original row storage index, and therefore consumes more storage space, But the biggest constraint in

One, database service command linenet start mssqlserver→ to open the native database servicenet stop mssqlserver→ the native database service.... pause ..... → Pause ... continue ..... → ContinueSecond, the file format. mdf format: Database storage file, with only one, to save data.. LDF format: Log file, automatic save operation Record, with and at least one.. sql file: Edit the file for writing the database programming language.III. Implications of

Tags: databaseA few months ago to bring their own demo environment all overturned (now also forget to overthrow, re-do the egg pain), ready to re-make a high-availability environment, ready to do their own high availability are done next to each other.SQL Server is the most multi-system backend database in Microsoft, so the backend database is made highly available, and then the front-end application. This series contains the high availability of the