Question
Which of the following is used to uniquely identify a
record in a database table?Solution
"A Primary Key uniquely identifies each record in a database table. It ensures no two records have the same value in the specified field. A table can have only one primary key. Primary keys cannot contain NULL values. Used for indexing and referencing."
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What will come in place of the question mark (?) in the following series?
2, 5, 14, 41, 122, 365, ?
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