Distinguish between primary and secondary sort keys.
Answer to relevant QuestionsDistinguish between the conceptual level, the logical level, and the physical level of database architecture.Distinguish betweena. Data description language (DDL).b. Data manipulation language (DML).c. Data query language (DQL).The West Company maintains a master accounts receivable disk file. Approved applications for new charge accounts are keyed to disk. The resulting file is sorted and processed against the master file.The current master disk ...Organizing and maintaining a database are more complicated than organizing and maintaining independent files because a database provides more data retrieval functions and performs more operations. A DBMS may have three ...Consider the following relation:CLASS- LIST (COURSE#, CLASS- ROOM, STUDENT#, STUDENT- MAJOR)a. Assuming that each student can have only one major is this relation normalized? If so, is it in first, second, or third normal ...
Post your question