3.How would you implement a 1:M relationship in a database composed of two tables? Give an example.

Q: On what attributes should indexes be defined to speed upthis query? Give the reasons?

A: Actually, given question regarding query.

Q: Which of the following is false: A. Tables are joined by using primary key/foreign key combinations…

A: The following statement is false B. A primary key can consist of more than one attribute

Q: 2. A table is in 2NF if it is in 1NF and it includes no partial dependencies: a)True b) False 3) A…

A: 2. Because it contradicts the definition of a table in second Nomal form, it is untrue. When a table…

Q: Give four reasons to create an instance of your relational schema with sample data?

A: Given: Give four reasons to create an instance of your relational schema with sample data?

Q: Implement a new independent entity phone in the Sakila database. Attributes and relationships are…

A: There is only one error in the above code and that is the ALTER TABLE command on the address table.…

Q: re there any other database relationships besides 1 M and 1:1? If so, describe the relationship and…

A: Required: Are there any other database relationships besides 1 M and 1:1? If so, describe the…

Q: KimTay Pet Supplies database design (see Figure 2-1) to support the following requirements. A…

A: the solution is an given below :

Q: Perhaps it would be useful to have a summary of the advantages of utilising tables in databases. How…

A: A database is a structured collection of data that is organized, stored, and managed to facilitate…

Q: The reasons why using a normalised version of the Index metadata relation could result in poor…

A: Index metadata in the context of databases refers to the data about the indexes in a folder. This…

Q: Indicate the changes (using the shorthand representation) that you would need to make to the…

A: Question 1.) Indicate the changes (using the shorthand representation) that you would need to make…

Q: 5.6 LAB - Implement independent entity (Sakila) Implement a new independent entity phone in the…

A: First check whether phone_id column exists in your customer, staff, and store table or not. If…

Q: Q2. (4 points) Assume we have the following two tables and their instances: CREATE TABLE…

A: After running the following query DELETE FROM Project P WHERE P.pid=100 or P.pid=200 New instances…

Q: Indicate the changes you need to make to the design of the BITS database to support the following…

A: the answer is given below:-

Q: How about a summary of the benefits associated with using tables in relational databases? Perhaps…

A: In a relational database, data is stored in one or more tables (or "relations") of columns and rows,…

Q: Which database relation(s) could be joined with the result of the query of the previous inquiry to…

A: Question 1RENAME loan (loan_number1, branch_name1, amount1) SET DIFFERENCE loan, loan_number1…

Q: StayWell also rents out properties on a weekly basis to students attending summer school in the…

A: For this database design, there will be 3 tables - student , property, rental. Student_no is primary…

Q: How about we make a list of why utilizing tables in databases is useful? what is your take on NULL…

A: Using tables in a database can be useful for organizing and storing data in a structured way.…

Transaction Processing

Transaction processing is a computational style generally performed by server computers, which supports interactive applications (apps). Transaction processing is also known as information processing, which divides the work into indivisible and individual operations called transactions. The transaction is a set of tasks; a single task is considered as the minimum processing unit that cannot be divided again.