The default level of consistency in SQL is
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______is a preferred method for enforcing data integrity
A table can have only one
Which of the following addressing modes permits relocation without any change over in the code?
Consider the join of relation R with a relation S. If R has m tuples and S has n tuples, then the maximum…
What is a disjoint less constraint?
Protection of data from unauthorized Disclosure results in loss of _______
The normal form that is not necessarily dependency preserving is
A relation is in attribute of other composite key. if an attribute of a composite key is dependent on…
Which one is correct statement?Logical data independence provides following without changing application…
operator is used to compare a value to a list of literals values that have been specified.
Maximum height of a B+ tree of order m with n key values is
A _____ is used to define overall design of the database
Relationships among relationships can be represented in an-E-R model using
The fact that all employees of a particular organization should not have salaries more than $10000 is…
Which of the following is not a property of transactions?
Employees in a company are each assigned their own office, i.e. for each employee there exists a unique…
The middleware databases in which the business rules act are applicable to _______ tier architectures
In multiple granularity of locks SIX lock is compatible with
The metadata is created by the
The _______ is a set of programs to use and / or modify this data.
Which of the following is not a recovery technique?
The values of the attribute describes a particular
The data in the database at a particular moment of time is called the _______
Use of UNIQUE while defining an attribute of a table in SQL means that the attribute values are
______contains information that defines valid values that are stored in a column or data type.
______is a special type of integrity constraint that relates two relations & maintains consistency across…
Which of the following relational algebraic operations is not from set theory?
The clause in SQL that specifies that the query result should be sorted in ascending or descending order…
HSAM stands for .
The set of all values that can be taken by the attribute is called as _______ of the attribute.
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