Which of the following is not a consequence of concurrent operations?
Lost update problem.
Correct Answer :
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The ____ operator joins two or more conditions and displays rows only if that rows data satisfies all…
The normal form that is not necessarily dependency preserving is
Create a table with the following attributes: Employee(EMPNO integer, EMPNAME of 10 characters)
The keyword to eliminate duplicate rows from the query result in SQL is
Processed data is called _____
Tree structures are used to store data in
Which of the following is not comparison operator?
Shadow paging has
The collection of information stored in a database at a particular moment is called as ......
DBMS helps achieve
Which one is true statement :
The part of a database management system which ensures that the data remains in a consistent state is
Union operator is a :
An advantage of views is
Protection of data from unauthorized Disclosure results in loss of _______
In an E-R diagram double lines indicate
An advantage of the database management approach is
A relational database developer refers to a record as
A list consists of last names, first names, addresses and pin codes. If all people in the list have…
Consider the join of relation R with a relation S. If R has m tuples and S has n tuples, then the maximum…
_____ First proposed the process of normalization.
In b-tree the number of keys in each node is than the number of its children.
Which of the following is a reason to model data?
Use of UNIQUE while defining an attribute of a table in SQL means that the attribute values are
The size of a data item is called its _______, which can be a field of some record or may be a larger…
A data type or format is specified for each _________
Which of the following addressing modes permits relocation without any change over in the code?
Between DRAM and magnetic disk storage another form of memory, called ______ memory is becoming common…
______defines the structure of a relation which consists of a fixed set of attribute-domain pairs.
A table can have only one
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