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#Sql server 2012 express edition with tools full
#Sql server 2012 express edition with tools download

The level change was due to an issue in sp_vupgrade_replication stored procedure.

Setting correct compatibility level for distribution database - After Service Pack Installation the Distribution database compatibility level changes to 90.

Can be useful when troubleshooting connectivity scenarios while, for example, deploying TLS 1.2

Add protocol tracing to SSL negotiation steps - Add bit trace information for successful/failed negotiation, including the protocol etc.

Better memory grant/usage diagnostics - New query_memory_grant_usage XEvent (backport from Server 2016 SP1).

This improvement introduces new XEvent action/filter columns equivalent to query_hash and query_plan_hash except they are defined as INT64 which can help correlating queries between XE and DMVs. Since SQL server does not have "unsigned bigint", casting does not always work. DMV defines them as varbinary(8), while XEvent defines them as UINT64.

Better correlation between diagnostics XE and DMVs - Query_hash and query_plan_hash fields are used for identifying a query uniquely.

Enhanced diagnostics in showplan XML - Showplan XML has been enhanced to expose information about enabled trace flags, memory fractions for optimized nested loop join, CPU time, and elapsed time.

#Sql server 2012 express edition with tools full

SP4 introduces a new Registry key, which supports the creation of a full dump for Replication Agents.

The default behavior requires complex troubleshooting steep for unhandled exceptions. Full dumps support for Replication Agents - Today if replication agents encounter an unhandled exception, the default behavior is to create a mini dump of the exception symptoms.Supportability and diagnostics improvements Change Tracking Cleanup - Improved change tracking cleanup performance and efficiency for Change Tracking side tables.Enable > 8TB for Buffer Pool - Enable 128-TB Virtual address space for buffer pool usage.Memory objects partitioned by node can by further promoted to be partitioned by CPU, where the number of partitions equals number of CPUs. The number of partitions equals the number of NUMA nodes. Unpartitioned memory objects can be dynamically promoted to be partitioned by node. The goal of dynamic promotion is to prevent potential bottlenecks and automatically partition a thread safe memory object. Dynamic Memory Object Scaling - Dynamically partition memory objects based on number of nodes and cores to scale on modern hardware.An improved cleanup procedure aims to eliminate some of these blocking or deadlock scenarios. Improved distribution agent cleanup procedure - An oversized distribution database caused blocking and deadlock situation.

#Sql server 2012 express edition with tools download

Service Pack 4 release notes Download pages The Service Packs are available online only, not on the installation media, and can be downloaded as follows: Each service pack is cumulative of prior service packs. This topic contains the aggregated release notes of the four service packs for SQL Server 2012. Applies to: SQL Server (all supported versions)