openjson sql server 2014

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

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

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

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

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

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

SQL Server 2014 installation and Configuration guideChapter Catalogue1th. SQL Server 2014 overviewhttp://mssqlmct.blog.51cto.com/9951484/16164572nd. Planning for SQL

Configure Oracle Gateway 12 to connect to SQL Server 2014 In recent work, we need to connect to SQL Server 2014 based on Oracle. We can configure Gateway to implement this function. This Gateway is actually implemented through dbl

Label: When you use SQL Server 2014 for your initial installation, you may encounter situations where you cannot connect to (local). So, how do I fix this problem? steps to readTools/Materials SQL Server 2014 Method/

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