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Evaluate, compare and contrast the two methods of relational database design namely top down method and Bottom up method. What will be your choice if you are asked to select a method? Justify your choice.
What is data definition language? Explain it in detail? The SQL DDL allows specification of not only a set of relations, but also information after each relation, containing
Define the terms 1) physical schema 2) logical schema. Physical schema: The physical schema explains the database design at the physical level, which is the lowest lev
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
Describe multi key files
Define Serializable schedule Serializable schedule: An interleaved schedule of much more than one transaction is known as a serializable schedule, if it is equal to some serial
discuss the purpose of the concurrency control?
List and also explain the dissimilar stages of DDLC ?
I have a homework assignment due today by midnight. I need help understanding databasse normalization and determining the type of form violation & how to fix the violation.
notes about update opreation
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
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