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What is Stored Procedure?
A stored procedure is a named group of SQL statements that have been previously formed and kept in the server database. Stored procedures accept input parameters so that a single procedure can be used over the network by several clients using dissimilar input data. And when the procedure is modified, all clients automatically get the new version. Kept procedures decrease network traffic and improve performance.
What is a trigger
Draw the precedence graph of the following schedule and determine whether the schedule is serializable. (Note that all instructions, except lock and unlock, are omitted. We assume
Explain pipelining. Ans: In order to describe pipelining in simple terms, think of it as breaking down processor functions into smaller and smaller parts. For instance,
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 a candidate key? Minimal super keys are known as candidate keys.
Explain three main attributes of data.
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
Explain mechanism of nested queries? SQL gives a mechanism for nesting subqueries. A subquery is a select from where expression that is nested within one more query. A common u
What is an ER diagram? Why is it used in Database management system (DBMS)?
Two-way Associations Mostly, associations are travel in both directions, although not usually with same frequency. There are three approaches for the implementation. In
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