Question: What is a foreign key Discuss its importance to a
What is a foreign key? Discuss its importance to a relational database.
Answer to relevant QuestionsDiscuss the advantages of a database accounting system versus a manual accounting system.Identify the relationship between the following tables.a. one-to-one b. one-to-many c. many-to-many1. STUDENT table and COURSE table2. TEACHER table and STUDENT table3. EMPLOYEE table and DEPARTMENT tableYou have been called in as a consultant to act as a liaison between the accountants and the IT professionals at a company. The accountants are complaining that they must re-enter all the customer information each time an ...Discuss the relationship of queries to database forms and reports used by the accounting interface.When RDBMS processes the following SQL SELECT statement:1. What tables are accessed?2. What fields are retrieved when the query is run?3. What is the search criterion?SELECT Customer No, Customer Name, Invoice No, Date FROM ...
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