BBA MIS — practice questions
22 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice BBA MIS in the app →A firm's sales records sit in neat rows and columns and are easy to search. Data like that is called:Emails, videos and social posts have no predefined shape and need advanced techniques to analyse. Those are:A company collects, stores and processes its data with one main software tool. That tool is a:An analyst needs the standard language for querying and managing a relational database. She writes:A team picks a database that abandons the traditional table structure altogether. That kind of database is:Every row in a customer table needs one field that identifies it uniquely. That field is the:An order table points at the customer table, and the reference must match a real customer. The pointing field A designer organises the data so each fact is stored only once and duplication disappears. That technique is:In a large cloud system an analyst deliberately adds redundant data so queries run faster. That step is:Before building, a designer writes down the tables, their columns and the data types. That definition is the:A designer draws entities, their attributes and the relationships between them on one picture. That picture isOn such a diagram, students and classes are entities. A student's name and date of birth are:Queries on a large table run slowly, so the team builds a structure that speeds retrieval. That structure is aA firm pulls data from several source systems and stores it together for reporting. That combined store is a:Another store keeps huge volumes of raw data in their original format until somebody needs them. That store isTransactions protect consistency and integrity through four properties: atomicity, consistency, isolation and:A record still points at another record that has been deleted. That dangling record is called:A manager asks what data integrity actually means. It refers to the accuracy and:Sensitive records must be protected both while stored and while moving across the network. The measure used isRoutine database work includes performance tuning, security enforcement and, above all, regular:A cloud provider copies data to several geographic locations so a hardware failure cannot lose it. That practiIn a table of employees, entering the employee ID gives you the name and address. That relationship is a: