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Bulk loader utilities are able to execute statements much faster than an equivalent sequence of
- Retrieval statements
- Insert statements
- Projection statements
- Selection statements
A subquery type named as scalar subqueries can be defined without
- Variables
- Projection
- Aggregates
- Selection
Bulk loader that is said to be special relational database products, utilities allow data to be read from
- Extracted text files
- Readable text files
- Formatted text files
- Archived text files
SQL subqueries named to be scalar are useful in update statements, they can be defined in the
- Select clause
- From clause
- Where clause
- Set clause
Relations containing null values are handled by SQL by adding a defined truth value of
- True
- False
- Unknown
- Existence
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SQL Query Interview Questions and Answers MCQs
- Statement used to write a relational query is said to be
- In SQL, relations cannot define a null value for a
- Use of SQL keyword distinct is not allowed to be called in combination of
- In SQL, command used to remove a relation from database is said to be
- Command defined by SQL to drop a trigger is said to be