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Showing 1–12 of 12 questions
Which structure best fits highly scalable document storage with flexible, evolving schemas?
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Which SQL clause filters rows after grouping and aggregation have been applied?
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Which property guarantees a transaction is treated as a single indivisible unit?
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Which key uniquely identifies each row and references a primary key elsewhere?
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Which normal form removes transitive dependencies between non-key attributes?
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Which SQL statement belongs to Data Definition Language (DDL)?
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Which TWO statements are Data Manipulation Language (DML) commands? (Select two.)
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Which TWO characteristics describe a NoSQL key-value store? (Select two.)
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Which TWO are benefits of using stored procedures? (Select two.)
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DRAG DROP
Match each SQL category to its primary purpose.
Items to match: Data Definition Language, Data Manipulation Language, Transaction Control Language, Data Control Language.
Answer is in the explanation below.
CORRECT TEXT
The SQL keyword used to permanently save all changes made by the current transaction is ______.
Answer is in the explanation below.
DRAG DROP
Match each deployment phase to its main activity.
Items to match: Planning phase, Design phase, Implementation phase, Deployment phase.
Answer is in the explanation below.
