Databases are used to find data in large sets, store large informational sets, and answer the questions that are present in the data set. Thus, options a, c, and d are correct.
A database is a systematized compilation of the information and the data set that is stored physically on electronic devices like a computer system. DBMS controls the databases.
Databases can be based on the hierarchy, or network, or can be object-oriented. They store the electronic form of the data set in an organized manner.
Therefore, databases stores data sets.
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