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Explain retrieval in QBE?
Retrieval in QBE : A "GUI" for expressing queries.
But has influenced many projects Especially PC Databases: Paradox, Access, etc.
What are the difference between clustered and a non-clustered index? A clustered index is a special type of index that reorders the way records in the table are physically stor
Explain trigger? Trigger: A database trigger is procedural code which is automatically executed within response to certain events on a particular table in a database. Trigger
What is relationship instance ? Relationship Instance - A relationship is a relation between two or more entities. An instance of relationship set is a set of relationships.
Describe the development process of Object oriented methods Object oriented methods have roots which are strongly anchored back in the 60s, functional and structured methods we
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
Differentiate between Procedural and non procedural languages ? Procedural and non procedural languages - A procedural language specifies the operations to be performed on th
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
#questiontypes of keys examples..
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