Database Management System Question
Database Management System Question With Answer & Solution
Que. - clause is an additional filter that is applied to the result.
Que. - joins are SQL server default
Que. - The is essentially used to search for patterns in target string.
Que. - A indicates an absent value that may exist but be unknown or that may not exist at all.
Que. - If the attribute phone number is included in the relation all the values need not be entered into the phone number column. This type of entry is given as
Que. - The predicate in a where clause can involve Boolean operations such as and. The result of true and unknown is false and unknown is while unknown and unknown is
Que. - Using the clause retains only one copy of such identical tuples.
Que. - The result of unknown is unknown.
Que. - Aggregate functions are functions that take a as input and return a single value.
Que. - A Boolean data type that can take values true, false, and
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