A simple snapshot is based on a query that does not contains GROUP BY clauses, CONNECT BY clauses, JOINs, sub-query or snapshot of operations. - A complex snapshots contain at least any one of the above.
Tell me what is a Record in a Database?
Tell us what are the different types of SQL commands?
Tell me why DBAs don’t like cursors?
Explain me what is the difference between Union and Union All command?
Explain me what is a Primary Key?
Tell us what is a Trigger?
Tell us what is the difference between an inner and outer join?
Tell me referential integrity and where it can be enforced?
Tell us what is SQL?
Tell me what are Operators available in SQL?
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