41. The process of combining data from multiple databases into a single, coherent view is called:
A) Data Integration
B) Data Aggregation
C) Data Normalization
D) Data Validation
42. Which SQL keyword is used to sort the result set in ascending order?
A) ASC
B) ORDER
C) SORT
D) BY
43. In a relational database, an index is used to:
A) Create a relationship between two tables
B) Define the primary key for a table
C) Speed up data retrieval
D) Ensure data integrity
44. Which normal form allows a table to have non-key attributes that depend on other non-key attributes?
A) First Normal Form (1NF)
B) Second Normal Form (2NF)
C) Third Normal Form (3NF)
D) Fourth Normal Form (4NF)
45. Which SQL function is used to find the minimum value in a column?
A) MIN()
B) AVG()
C) COUNT()
D) MAX()
