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The SQL BETWEEN operator is used to:
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The SQL BETWEEN operator is used to:
Write-ahead logging (WAL) requires that a log record be written to stable storage:
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A partial dependency exists when a non-key attribute depends on:
A self-join is a query in which a table is:
A subquery in SQL is:
A checkpoint in database recovery is used to:
Timestamp-based concurrency control orders transactions according to their:
A functional dependency X to Y means that:
The SQL ROLLBACK statement is used to:
The purpose of the SQL COMMIT statement is to:
A transitive dependency exists when a non-key attribute depends on:
The SQL LIKE operator is used for:
Sharding in databases refers to:
The relational algebra projection operation (pi) is used to:
A surrogate key is a primary key that is:
OLTP systems are optimized for:
A schema in a relational database describes:
The relational algebra selection operation (sigma) is used to:
A dirty read occurs when a transaction reads data that:
Physical data independence refers to the ability to change the:
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