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Define Forms Based Interfaces? Forms-Based Interfaces - A forms-based interface display a form to each user. Forms are commonly designed and programmed for naive users and inte
Explain the systems development life cycle. This is the traditional method to develop, maintain, and replace information systems that contains the project identification and se
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
Define the term- Actors and Data Stores Actors: An actor is the active object which drives data flow graph by producing or consuming values. Actors are attached to inputs a
write a short note on participation role? Participation role: roles are indicating in E-R diagram by labelling the lines that connect diamonds to rectangles.
Develop Database academic assignment Project Description: For a provided set of instructions in a case study design Entity Relationship Diagram. - Entity Relationship Diag
Describe the types of attributes? Types of attributes: An attribute's category determines the type of values that are permitted in the attribute. For instance, the value vers
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
Prove that a relation which is 4NF must be BCNF. Ans Let R be in 4NF. Suppose it is not in BCNF. Hence, there exists an FD X→Y in R such that x is not a super key. Although
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
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