sql server enterprise core

The following step-by-step article describes how to configure shared disk Cluster for SQL Server on a red Hat Enterprise Linux system and its associated use (for test-only learning, basic article)I. Creating shared disks and ClusterMicrosoft Official configuration document: Https://docs.microsoft.com/en-us/sql/linux/

filegroup. Their backup order (a, C, B, a) reflects the business requirements of the database.Under the full recovery model, restoring a filegroup backup requires not only restoring the filegroup backup itself, but also restoring all log backups from the last full database backup to the target point in time of recovery. To ensure that the file remains consistent with the rest of the database. So the number of transaction log backups to recover will be large. To avoid this scenario, consider usi

of deleteDelete does not completely free up space, will it cause space leakage? You don't have to worry about it, but these pages will be reused when the tables are inserted into the new data, although they are not released. So these pages are not "leaked" and will be left to SQL Server for reuse.If you really want to use the DELETE statement, if the table has a clustered index, rebuild the index can be fr

Original: SQL Server Enterprise Platform Management Practice reading notes--about how SQL Server databases are restoredThis article is the backup method of the previous article, this article is about the restore scenario, in SQL

actions are automatically run if the free space is greater than 25%,sql server. So this feature prevents the data from requesting too much space and not using it. For a system with a very tight disk space, this setting is undoubtedly helpful. But from the database's own health and performance considerations, this setting is not recommended for multiple use. This is because:1.

SQL Server Enterprise Platform Management Practice reading notes--sql data file space usage and management in server1. Table and index storage structureBefore SQL Server2005, a table was stored in a B-tree or a heap. Each B-tree or heap has a record corresponding to the sysi

SQL 2000 does not know what is going on. When the Enterprise Manager is started, "MMC cannot open the file C:/program files/Microsoft SQL Server/80/tools/binn/SQL Server Enterprise Mana

15. Use Transact-SQL and Enterprise Manager to manage data tablesModifying a data table with a T-SQLUse Enterprise Manager to modify data tablesImpact of modifying a data tableDelete A data tableSummaryIn Chapter 10th, you have learned how to create a data table by defining data rows and data types. Once a data table is created, it may be modified, even if the da

Yesterday, I encountered a very strange file. SQL Server was well-used. I don't know how to suddenly see this error. I thought it was because SQL Server had missing any files and I re-installed it again, as a result, all the registries and temporary files are cleared and re-installed. The error persists. Very depressin

the data object Partition_number Partition code Rows Approximate number of rows of data hobt_id Storage unit ID of the heap or B-tree where the data is stored Let's find a database to look at the fragmentation situation:You can see that the arrows refer to this row of data, the theory should be a zone on it, but in fact it establishes two partitions ... So this situation can be considered to defragment, to rebuild, to release deb

In the. NET Core class library, use EF Core to migrate the database to SQL Server. coreef Preface If you just use EntityFramework Core as the orm framework, you may encounter database migration problems. At first, I was in ASP. NET Core