Database Fundamentals Challenge

Froggy Jumps

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Test your database knowledge.

Créé par

Carlos Henrique Ramalho Rodrigues

Brazil

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Database Fundamentals Challenge


Froggy Jumps Database Fundamentals ChallengeVersion en ligne Test your database knowledge. par Carlos Henrique Ramalho Rodrigues 1 What does ACID stand for in databases? a Accuracy, Cohesion, Isolation, Durability b Atomicity, Consistency, Isolation, Durability c Atomicity, Consistency, Integration, Durability 2 What does ACID stand for in databases? a Accuracy, Cohesion, Isolation, Durability b Atomicity, Consistency, Isolation, Durability c Atomicity, Consistency, Integration, Durability 3 What does ACID stand for in databases? a Accuracy, Cohesion, Isolation, Durability b Atomicity, Consistency, Isolation, Durability c Atomicity, Consistency, Integration, Durability 4 Which SQL clause filters rows before grouping? a FILTER b HAVING c WHERE 5 Which normal form reduces data repetition by separating into related tables? a Fourth Normal Form (4NF) b Third Normal Form (3NF) c First Normal Form (1NF) 6 What is a primary key? a A unique identifier for each row in a table b A foreign reference to another table c A reserved SQL keyword 7 Which index type speeds up range queries? a Hash index b B-tree index c Bitmap index 8 In relational databases, what is a foreign key? a A key used to sort a table b A column that references a primary key in another table c A redundant column with no relation 9 What does SQL stand for? a Systematic Query Language b Structured Query Language c Sequential Query Language 10 Which operation joins two tables on a related column? a Attach b Join c Merge 11 Which constraint ensures a value must be unique in a column? a NULL constraint b CHECK constraint c UNIQUE constraint 12 What is denormalization primarily used for? a Improving read performance by reducing joins b Eliminating indexes c Enforcing data integrity

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Database Fundamentals Challenge

Froggy Jumps

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Database Fundamentals ChallengeVersion en ligne

par Carlos Henrique Ramalho Rodrigues

What does ACID stand for in databases?

What does ACID stand for in databases?

What does ACID stand for in databases?

Which SQL clause filters rows before grouping?

Which normal form reduces data repetition by separating into related tables?

What is a primary key?

Which index type speeds up range queries?

In relational databases, what is a foreign key?

What does SQL stand for?

Which operation joins two tables on a related column?

Which constraint ensures a value must be unique in a column?

What is denormalization primarily used for?