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Malcolm McRoberts

My Library - 0 views

www.diigo.com/dqrnkuy

shared by Malcolm McRoberts on 28 Aug 13 - No Cached
  • I was having the same issue recently with IE10, added a timeout and got the result I wanted, the iFrame printed out instead of the parent page: <script type="text/javascript"> function selfPrint(){ self.focus(); self.print(); } setTimeout('selfPrint()',2000); </script> share|improve this answer answered Jan 23 at 23:14 James Moberg 30927 the timeout doesn't even have to be that long. – gawpertron Jan 24 at 14:08 1   This solved my problem too, but can someone explain why it works? – Todd Gibson Feb 7 at 18:19
  • Print iframe in IE
Malcolm McRoberts

Fact Tables - Kimball Group - 0 views

www.kimballgroup.com/...fact-tables

data warehousing fact tables kimball

shared by Malcolm McRoberts on 09 May 14 - No Cached
  • Fact tables are the foundation of the data warehouse. They contain the fundamental measurements of the enterprise, and they are the ultimate target of most data warehouse queries.
  • The grain is the business definition of what a single fact table record represents.
  • the grain is the description of the measurement event in the physical world that gives rise to a measurement.
Malcolm McRoberts

MongoDB Subscriptions | 10gen - 0 views

www.10gen.com/...mongodb-subscriptions

shared by Malcolm McRoberts on 08 Apr 13 - No Cached
  • How to Buy Contact sales to learn more about MongoDB Commercial Subscriptions, and how to buy. MongoDB Subscriptions Basic Standard Enterprise Edition MongoDB MongoDB MongoDB Enterprise SLA 4 Hours 1 Hour 30 Minutes Support 9am – 9pm local, M – F 24 x 7 x 365 24 x 7 x 365 License AGPL Commercial Commercial Emergency Patches Not Included Included Included Price $2,500 / Server / Year $5,000 / Server / Year $7,500 / Server / Year
  • Commercial License. Enterprises with restrictions around the AGPL license or those interested in OEM applications may prefer a standard commercial license, which is included in the MongoDB Standard and Enterprise Subscriptions.
  • MongoDB Enterprise is tested and certified on Red Hat
  • ...3 more annotations...
  • advanced security, purpose-built monitoring
  • MongoDB Subscriptions provide 24x7 access to support. Customers can ask 10gen's MongoDB experts an unlimited number of questions at any time of day.
  • Only data-bearing (i.e., mongod) nodes require server licenses
Malcolm McRoberts

Online analytical processing - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/...Online_analytical_processing

shared by Malcolm McRoberts on 07 Aug 13 - Cached
  • The usual interface to manipulate an OLAP cube is a matrix interface like Pivot tables
  • MOLAP stores this data in an optimized multi-dimensional array storage, rather than in a relational database
  • The problem of deciding which aggregations (views) to calculate is known as the view selection problem. View selection can be constrained by the total size of the selected set of aggregations, the time to update them from changes in the base data, or both. The objective of view selection is typically to minimize the average time to answer OLAP queries, although some studies also minimize the update time
  • ...1 more annotation...
  • Comparison[edit source | editbeta] Each type has certain benefits, although there is disagreement about the specifics of the benefits between providers. Some MOLAP implementations are prone to database explosion, a phenomenon causing vast amounts of storage space to be used by MOLAP databases when certain common conditions are met: high number of dimensions, pre-calculated results and sparse multidimensional data. MOLAP generally delivers better performance due to specialized indexing and storage optimizations. MOLAP also needs less storage space compared to ROLAP because the specialized storage typically includes compression techniques.[15] ROLAP is generally more scalable.[15] However, large volume pre-processing is difficult to implement efficiently so it is frequently skipped. ROLAP query performance can therefore suffer tremendously. Since ROLAP relies more on the database to perform calculations, it has more limitations in the specialized functions it can use. HOLAP encompasses a range of solutions that attempt to mix the best of ROLAP and MOLAP. It can generally pre-process swiftly, scale well, and offer good function support.
Malcolm McRoberts

SchemaSpy - 0 views

schemaspy.sourceforge.net

documentation html automated database sql visualization java

shared by Malcolm McRoberts on 27 Mar 14 - Cached
  • SchemaSpy is a Java-based tool (requires Java 5 or higher) that analyzes the metadata of a schema in a database and generates a visual representation of it in a browser-displayable format. It lets you click through the hierarchy of database tables via child and parent table relationships as represented by both HTML links and entity-relationship diagrams.
Malcolm McRoberts

Dimensional Relational vs. OLAP: The Final Deployment Conundrum - Kimball Group - 0 views

www.kimballgroup.com/...the-final-deployment-conundrum

olap relational

shared by Malcolm McRoberts on 06 Mar 14 - No Cached
  • The choice between deploying relational tables or OLAP cubes is not a trivial matter. Weigh these 34 pros and cons of each approach early in the design of your extract-transform-load system.
Malcolm McRoberts

Dimension (data warehouse) - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/...Dimension_(data_warehouse)

dimension warehouse

shared by Malcolm McRoberts on 02 Apr 14 - No Cached
  • A conformed dimension is a set of data attributes that have been physically referenced in multiple database tables using the same key value to refer to the same structure, attributes, domain values, definitions and concepts. A conformed dimension cuts across many facts.
  • Dimensions are often recycled for multiple applications within the same database. For instance, a "Date" dimension can be used for "Date of Sale", as well as "Date of Delivery", or "Date of Hire". This is often referred to as a "role-playing dimension".
Malcolm McRoberts

Schema crosswalk - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/...Schema_crosswalk

metadata mapping crosswalk

shared by Malcolm McRoberts on 29 Apr 14 - No Cached
  • A Schema crosswalk is a table that shows equivalent elements (or "fields") in more than one database schema. It maps the elements in one schema to the equivalent elements in another schema.
  • This type of "translating" from one format to another is often called "metadata mapping" or "field mapping," and is related to "data mapping," and "semantic mapping."
Malcolm McRoberts

Sentry - 0 views

www.cloudera.com/...sentry.html

Hadoop RBAC sentry

shared by Malcolm McRoberts on 28 Apr 14 - No Cached
  • Sentry Open Source, Fine-Grained Access Control for your Enterprise Data Hub Apache Sentry (incubating) is the next step in enterprise-grade big data security and delivers fine-grained authorization to data stored in Apache Hadoop
  • Improved Regulatory Compliance – Business teams can leverage the power of Hadoop while aligning with regulatory mandates like HIPAA, SOX, and PCI.
  • Role-Based Administration – Database administrators can unlock key role-based access control (RBAC) requirements and define what users and applications can do with data within a server, database, table, or view.
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