Workload on new OLTP production system involving table scans, and UPDATE and SELECT statements. 30% in terms of latency and duration as noted in Figure 1. Enterprise Hitachi AMS SAN storage array. 8% - 12% for average workloads. SQLIO on a SAP database server: Using 8-core server with ...
It is generally a good idea to map the measure group partitions to either separate SQL table partitions by using partition keys or onto a separate SQL table. Use partitioning wherever possible; this limits the amount of reprocessing that needs to be done based on your extraction, transformation,...
Expand table Latch modeKPSHUPEXDT KP Y Y Y Y N SH Y Y Y N N UP Y Y N N N EX Y N N N N DT N N N N NSQL Server superLatches and sublatchesWith the increasing presence of NUMA based multiple socket / multi-core systems, SQL Server 2005 introduced SuperLatches, also ...
Disk partitioning and configuration recommendations For SQL Server, you should use a RAID configuration. The deployed filesystem stripe unit (sunit) and stripe width should match the RAID geometry. For example, this is an XFS-based example for a log volume. ...
In SQL Server 2008, the Lookup transformation supports two connection types when connecting to the reference dataset: the Cache connection manager and the OLE DB connection manager. The reference dataset can be a cache file, an existing table or view, a new table, or the result of an SQL qu...
that insert data into different partitions of the same table. When using partitioning, the SWITCH statement is your friend. It not only increases parallel load speeds, but also allows you to efficiently transfer data. Please refer to the SQL Server Books Online articleTransferring Data ...
However, their impact may be limited if your queries are inefficient because of poor table design that results in too many join operations or in inefficient join operations. Schema design is a key performance factor. It also provides information to the server that may be used to optimize query...
The queue can simply be a SQL Server table. Each package should include a simple loop in the control flow: Pick a relevant chunk from the queue: "Relevant" means that is has not already been processed and that all chunks it depends on have already run. If no item is returned from ...
SQL Server Analysis Service Powershell Data modeling and database design. Indexing strategy Performance Optimization and Tuning Capabilities Partitioning data implementations Metadata management and repository usage. Database schema creation and management. ...
Table of Contents What is Microsoft SQL Server? Key Features of Microsoft SQL Server What is Oracle? Key Features of Oracle Benefits of connecting SQL Server to Oracle Steps for Connecting SQL Server and Oracle 1. Creating the mwrep User 2. Creating the Migration Repository 3. Capturing ...