Examlex
The _____statement in SQL combines rows from two queries and returns only the rows that appear in the first set but not in the second.
Obsessive-Compulsive Disorders
A mental health condition characterized by unwanted, recurring thoughts (obsessions) and repetitive behaviors (compulsions) that an individual feels compelled to perform.
Intrusive Thoughts
Unwelcome, often distressing, thoughts or images that suddenly appear in a person's mind without the intention to think them.
Repetitive Behaviors
Actions performed repeatedly in a similar manner, often observed in various psychological disorders but also in everyday activities and rituals.
Anxiety Disorders
A category of mental health disorders characterized by significant fear or anxiety that impacts a person's daily functioning.
Q11: The PL/SQL block starts with the _
Q12: The _ fragment condition indicates that each
Q13: How can queries be written to perform
Q21: If you have not yet used the
Q35: One important inheritance characteristic is that all
Q35: Which of the following is a well-defined
Q36: Working with data in the data cache
Q49: Database performance is one of the least
Q56: A single-user database system automatically ensures _
Q62: _ requires that all operations of a