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The NOT EXISTS keyword will be true if:any row in the subquery meets the condition. all rows in the subquery fail the condition. both of
The NOT EXISTS keyword will be true if:any row in the subquery meets the condition. all rows in the subquery fail the condition. both of these two conditions are met. neither of these two conditions is met.
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Database Reliability Engineering Designing And Operating Resilient Database Systems
Authors: Laine Campbell, Charity Majors
1st Edition
978-1491925942
