Document
... List of CTs that we have defined/implemented • VPartition – vertically partition into two tables with a 1:1 relationship • VMerge – vertically merge two tables with a 1:1 relationship • HPartition – horizontally partition based on the value in a column • HMerge – horizontally merge, and introduce a ...
... List of CTs that we have defined/implemented • VPartition – vertically partition into two tables with a 1:1 relationship • VMerge – vertically merge two tables with a 1:1 relationship • HPartition – horizontally partition based on the value in a column • HMerge – horizontally merge, and introduce a ...
The SELECT Command
... – Command prompt: Issuing statements one at a time or several in set or batch – Loading and running scripts, groups of SQL Server commands stored as file ...
... – Command prompt: Issuing statements one at a time or several in set or batch – Loading and running scripts, groups of SQL Server commands stored as file ...
RFGex Prediction 2009 pt1
... Relational systems are the databases we've been using for a while now. RDBMSs and systems that support ACIDity and joins are considered relational. Key-value systems basically support get, put, and delete operations based on a primary key. Column-oriented systems still use tables but have no joins ( ...
... Relational systems are the databases we've been using for a while now. RDBMSs and systems that support ACIDity and joins are considered relational. Key-value systems basically support get, put, and delete operations based on a primary key. Column-oriented systems still use tables but have no joins ( ...
designing a multidimensional data warehouse for
... Technical Architecture Design Where the business requirements answer the question "What do we need to do?" the architecture answers the question "How will we do it?" The technical architecture is the overall plan for what you want the data warehouse system to be when it's ready for serious use. It d ...
... Technical Architecture Design Where the business requirements answer the question "What do we need to do?" the architecture answers the question "How will we do it?" The technical architecture is the overall plan for what you want the data warehouse system to be when it's ready for serious use. It d ...
In-memory preprocessing of streaming sensory data – a partitioned
... to be loaded into the physical memory. This initial load might occur based on the data stored in the DRDB partition. Upon loading from the DRDB into the IMDB part data representation needs to be changed which demands high resources. In contrast, initial load can happen using memory image file of a c ...
... to be loaded into the physical memory. This initial load might occur based on the data stored in the DRDB partition. Upon loading from the DRDB into the IMDB part data representation needs to be changed which demands high resources. In contrast, initial load can happen using memory image file of a c ...
Introducing Enterprise NoSQL
... Rewind the information “as it actually was” in combination with “as it was recorded” at some point in time Provides increased insight into your business and mission Capture evolving schema as the shape of the data changes with changing time, a capability that has prevented relational bitemporal offe ...
... Rewind the information “as it actually was” in combination with “as it was recorded” at some point in time Provides increased insight into your business and mission Capture evolving schema as the shape of the data changes with changing time, a capability that has prevented relational bitemporal offe ...
Introduction Types of OLAP Servers Relational OLAP(ROLAP
... The pivot operation is also known as rotation.It rotates the data axes in view in order to provide an alternative presentation of data.Consider the following diagram showing the pivot operation. ...
... The pivot operation is also known as rotation.It rotates the data axes in view in order to provide an alternative presentation of data.Consider the following diagram showing the pivot operation. ...
Designing Distributed Data Warehouses and OLAP Systems
... Furthermore, as dialogue objects over a data warehouse lead to views over a view, it may be questioned, whether it makes sense to take a holistic approach to data warehouse design or whether it might be better to replace the data warehouse by a collection of materialised views on the operational dat ...
... Furthermore, as dialogue objects over a data warehouse lead to views over a view, it may be questioned, whether it makes sense to take a holistic approach to data warehouse design or whether it might be better to replace the data warehouse by a collection of materialised views on the operational dat ...