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An instance of relational schema R (A, B, C) has distinct values of A including NULL values. then A is a candidate key or not?
If relational schema R (A, B, C) has distinct values of A including NULL values A is not a candidate key.
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
i would like to ask if you will do assignment of database number of words 1500 and how much
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
Describe different steps of the object-oriented design process. The broad steps of the object-oriented design process are: a. Define context and modes of use of the system
Define and differentiate between ordered indexing and hashing. Ans: Ordered indexing: To gain fast random access to records in a file, we can make of an index structure. Every
A Data Model in software engineering is an abstract model that organizes and documents the business data for interaction between team members and is used as a plan for creating
List some instances of collection types? a) sets b) arrays c) multisets
What do you understand by ACID? - ACID (Atomicity Consistency Isolation Durability) is a quality sought after in a reliable database. Here's the relevance of each quality:
What is a records management consultation? Our organization is an authority for disseminating your specific requirements and giving you with a solution to effectively manage yo
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