What is an attribute called when it can hold more than one value for a single entity instance, such as multiple phone numbers for a person? MCQ with Answer and Explanation
Which SQL command deletes all rows from a table without deleting the structural schema, cannot be rolled back easily in some systems, and does not fire delete triggers?
Explanation:
TRUNCATE is a DDL command that quickly removes all records from a table by deallocating the data pages, bypassing row-level logging and triggers while leaving the table structure intact.
Explanation:
Data refers to raw, unorganized, and unprocessed facts, figures, or symbols that do not convey a specific meaning on their own. When data is processed and organized, it becomes information.
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