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What is an Entity ? An entity is s physical representation of a logical grouping of data. Entities can be tangible, real things, such as a P... -
The scope of analysis for a query is extra data that you can retrieve from the database to give more details on the data returned by each of...
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What is datawarehouse? A data warehouse is built on relational database that is designed for query and analysis rather than for transaction ... -
SAP yesterday announced a significant upgrade of its BusinessObjects BI OnDemand offering that both consolidates the vendor's software-a...
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What is Data mart? A subset of data warehouse that is stored in a smaller database and that is oriented toward a specific purpose or data ...
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CHAPTER 1-DATA MODELING CONCEPTS The Role of Data Modeling Data modeling tasks provide the most benefit when performed early in the developm... -
What is an Entity ? An entity is s physical representation of a logical grouping of data. Entities can be tangible, real things, such as a P...
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CHAPTER 1-DATA MODELING CONCEPTS The Role of Data Modeling Data modeling tasks provide the most benefit when performed early in the developm...
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Oracle/PLSQL: IS NULL In other languages, a null value is found using the = null syntax. However in PLSQL to check if a value is null, you m...
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SAP yesterday announced a significant upgrade of its BusinessObjects BI OnDemand offering that both consolidates the vendor's software-a...