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Difference between data warehouse and datamart?
A data warehouse has multiple functional areas whereby a centralized organizational unit is responsible for implementing it. On the contrary, data marts focus on particular functional areas hence are simple forms of a data warehouse.
Data formats and data collection?
Data formats: It is formating all data file from pcs.whatever it is not use.suppose when data is full,and some data we want to delete it.. Data collection: It is the collection of new data file.when new data is collecting..
Which of these is an example of a type of technology used to collect data-?
Metadata is "data about data". There are two "metadata types;" structural metadata, about the design and specification of data structures or "data about the containers of data"; and descriptive metadata about individual instances of application data or the data content.
Definition of ungrouped data?
Ungrouped data is data that is not grouped in a specific order. Grouped data is a set of data that has unique characteristics in common.
Primary data secondary data?
primary data structures
How many Datamart stores exist in the world?
Datamart does not appear to be a store name. There are millions of stores selling datamart type storage, but accurate figures are not currently available.
Difference between data warehouse and datamart?
A data warehouse has multiple functional areas whereby a centralized organizational unit is responsible for implementing it. On the contrary, data marts focus on particular functional areas hence are simple forms of a data warehouse.
What is they meaning of normalised?
What is the the meaning of your question
What is EN08 normalised steel?
According to BS 970 080M40, EN08 normalised steel is a medium strength steel. Suitable for stressed pins, shafts studs, keys etc. Available as rolled or normalised. Supplied as square bar, or round bar or flat.
What are the properties of EN08 normalised steel?
properties of en08
What is Oman's population and population density?
Oman population in 2013 is 3,632,444 (UN data). Population structure: - 23% of people are under 15 years old; - 74% of people are between 15 and 64 years old; - 3% of population are older than 64; Data source: Open Datamart
What can be understood under a database?
Your question does not make any sense. A database is a collation of related raw data stored in flat, normalised tables (in electronic format). This data is accessed by an application which does so using the principles of relational calculus so that answers to questions asked over the data are mathematically provably correct.
What is denormalisation?
The process of taking a normalised schema and making it nonnormalised is called denormalisation
What is beam area of antenna?
it is the integral of the normalised power pattern over sphere (4pie.st)
What are the different modules in data warehousing?
1. Data Marts design(Modelling) -- contains dimension and fact tables 2. ETL (extract transform load) -- how to load data from multiple db to datamart with transformation logic. e.g. using Informatica, Microsoft SSIS, Data Stage 3. Business Intelligence - Reporting e.g. BO,Cognos etc
What is the definition for standard form?
Somewhat paradoxically, this term does not have a standard definition! The definition below is based on the UK use of the term.The standard form, also known as the scientific form, is the representation of a number in the form a*10b where b is an integer and a is a real number.If, additionally, 1 ≤ a < 10, then the number is said to be in normalised scientific form. However, scientific form that is not normalised is rarely used. As a result it is usually assumed that a number in scientific form is in normalised scientific form.
When were school uniforms made?
12th centuary 16th centuary is when they became more popular and were very normalised by the 18th centuary
