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What is transaction?
Transaction is a unit of program implementation that accesses and possibly updated several data items.
Define Query Processing Query processing is the process of selecting the best plan or strategy to be employed in responding to a database request. The plan is then executed to
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
Define raid? Briefly explain it? A range of disk organization methods, collectively called redundant arrays of independent disks (RAID) o Improvement of reliability throug
Discuss how the bi-directional Implementations are made. In bi-directional implementation of the association, a pair of references must implement every link. The declarations a
A TDMS project plan is not a typical Information Technology project plan; therefore, a traffic data project has several unique characteristics: Traffic data management system
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
What is Enterprise Resource Planning (ERP), and what kind of a database is used in an ERP application? Enterprise Resource Planning (ERP) is an information system used in manuf
Having clause This clause is used for producing conditions on grouped information. Example: Find maximum salary and department number of those departments where maxim
case study
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
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