BARBARIN DAVID SQL Server Senior Consultant Pragmantic SA SQL Server Denali : New administration features

David BARBARIN SQL Server Senior Consultant at Pragmantic SA Collaborative solutions Business solutions Data Management and Business Intelligence

SQL Server Denali becomes SQL Server 2012

Installation enhancements

Smart setup : during installation update can be downloaded Compatibility with Windows Core : it’s now possible to install SQL Server on Windows Core edition Installation enhancements

Manageability enhancements SQL Server Management Studio

New interface is now based on the Visual Studio 2010 shell SSMS is improved by enhancements to tools and monitoring features Two keyboard shortcut schemes (Visual Studio 2010 compatible mode or shortcut from SQL Server 2008 R2) SSMS

Point-in-time restore has been improved by the addition of a visual timeline that allows you to identify a feasible point in time as a target time for a database restore operation Page Restore is available with GUI mode SSMS

Database Engine startup options are now configured by using a new Startup Parameters tab of SQL Server Configuration Manager Windows PowerShell is no longer installed by SQL Server Setup. The sqlps utility that is used to run Windows PowerShell (V2) sessions that include the SQL Server snap-ins SSMS

New and modified management views sys.dm_exec_query_stats sys.dm_os_volume_stats sys.dm_os_windows_info sys.dm_server_memory_dumps sys.dm_server_services sys.dm_server_registry SSMS

Overview of SSMS and tools demo…

High Availability and Performance Enhancements Always On

With the previous versions of SQL Server we can achieved high availability and disaster recovery by using : failover clustering database mirroring log shipping peer-to-peer replication Combination of the above technologies Always On

The existing solutions can achivied our goal but have drawback : Mirroring is one-to-one mapping making multiple secondaries unattainable. Log shipping does not provide zero failure Cluster topology have a SPOF (shared storage) Passive servers in the above solutions are not used to their full potential Always On

An integrated solution called AlwaysOn Always On Avaibility Groups are used for database protection and offer : Multi-database failover Multi secondaries Active Secondaries Integrated HA Management Always On

Overview of Always On demo…

High Availability and Performance Enhancements Failover Clustering

Multi subnets are supported by SQL Server 2012 Tempdb database can be hosted locally on each node server There is no longer the limit of 23 SQL Server instances on a consolidated failover cluster by the introducing of the SMB support Failover Clustering

High Availability and Performance Enhancements Indexes

There are no longer limitations with LOB for online rebuild Introduction of columnstore indexes : They can be used to significantly speed-up the processing time of common data warehousing queries. Columnstore indexes group and store data for each column and then join all the columns to complete the whole index. This differs from traditional indexes which group and store data for each row and then join all the rows to complete the whole index. Indexes

Columnstore index storage allow to minimize I/O Compression is more efficient

Index rebuild with LOB data and columnstore indexes demo…

High Availability and Performance Enhancements Indirect CHECKPOINT

Checkpoint is used to flushed dirty pages on the disk Reduce the recovery time. Checkpoint is triggered by differents events. The recovery intervall is a server level parameter Indirect checkpoints can be configured by database with ALTER DATABASE … SET TARGET_RECOVERY_TIME Indirect checkpoint

High Availability and Performance Enhancements Data Tuning Advisor

Plan cache option is now available as a option in Database Engine Tuning Advisor (DTA) workload. We don't need trace files/tables or manual workload, just we can use query plan cache which will select top 1,000 events for the analysis Data Tuning Advisor

Security Enhancements New Role Management

Possibility to create user defined server roles The system stored procedures sp_addsrvrolemember and sp_dropsrvrolemember are now deprecated. Use instead ALTER ROLE MEMBER New Role Management

Manage server role members demo…

Security Enhancements Provisioning During Setup

To enhance role separation, BUILTIN\administrators and Local System ( NT AUTHORITY\SYSTEM) are not automatically provisioned in the sysadmin fixed server role. SQL Server now supports Managed Service Accounts and Virtual Accounts when installed on Windows 7 or Windows Server 2008 R2 Provisioning During Setup

Configure a management account for the SQL Server service demo…

Security Enhancements Contained databases

Includes all database settings and metadata required to define the database and has no configuration dependencies on the instance Fully contained database vs Partially contained database Contained database users and Windows principals Contained databases

Overview of a contained database demo…

Security Enhancements Encryption

New hashing algorithms available SHA2_256 and SHA2_512 Certificats 4096 bytes against 3456 bytes in earlier versions Master keys EAS algorithm against 3DES in earlier versions Encryption

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