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Briefly describe the different kinds of users of a DBMS.
Ans: Different sorts of DBMS users are:
(a) Software Engineers: These are the people accountable for developing application programs by using DBMS.
(b) End users: These are the people whose jobs need access to the database for querying, updating, and producing reports.
(c) Database Administrator: They are accountable for authorizing access to the database, coordinating and monitoring its use.
(d) Database designers: They are accountable for identifying data to be stored in the database.
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
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
er diagtram for icici
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
Let consider the given partial relation EMP. Let us make some sub-queries for them EMPNO ENAME JOB SAL DEPTNO 7566
(a) Provide the description of the following ODMG schema in the Object Definition Language (ODL). (b) Based on the above object database, write the following queries i
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
Consider the following database containing five transactions. Let min_sup = 60%. Mine all frequent itemsets using Apriori and FP-growth algorithm. Compare the efficiency of the t
Parallelism of transaction execution: A transaction can be divided into various sub-queries that can operate on fragments in parallel. This enhances the degree of concurrency in t
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