NECO Computer Studies 2024 Objective — Question 38

Which of the following statements about index is true? It is a data structure

• A. A. that reduces the speed of data retrieval operations on a database table
• B. B. used to quickly locate data without searching every row in a table every time a database table is accessedCorrect
• C. C. created using only two rows of a database table to uniquely identify each record
• D. D. that allows relational database to split and store data in different tables, while linking disparate items