What is the primary key, candidate keys, foreign keys, and non-key columns in these two tables?

Q: List unique first (first_name) and last names (last_name) of customers (CUSTOMER table) who rented a…

A: In this question, we are asked to write a SQL query to fetch the unique first and last names who…

Q: The team wants to track potential list of users who may have forgotten their items on the cars.…

A: SELECT U.USER_FIRST_NAME, U.USER_LAST_NAME, T.TRAVEL_START_TIME, T.TRAVEL_END_TIME  FROM USERS U…

Q: Select the best answer from the given choices: To add a new attribute (column) to an existing table,…

A:

Q: What are the considerations for using the CAST and CONVERT functions for data type conversions in…

A: In the world of SQL (Structured Query Language), data type conversions are a fundamental aspect of…

Q: Note that primary keys are in BOLD. Note also that attributes with the same name in different tables…

A: Here have to determine about SQL statement of given problem statement.

Q: The Car Maintenance team also wants to store the actual maintenance operations in the database. The…

A: DELETE CASCADE: - When we constitute a foreign key using this option, it deletes the referencing…

Q: The number of times the table structure has been altered by SQL queries. Which major changes need to…

A: Yes, by tracking modifications in the history table and using SQL commands, you can keep a record of…

Q: The head of hospital auditing wants to know which patients were charged the most for a treatment.…

A: The solution is given below with demo data inserted into table

Q: the HR department needs the department name, manager first name, manager last name, and job title.…

A: SQL: SQL stands for Structuref Query Language. It is used to access and manipulate the database…

Q: Change to use the database frozenfood Alter table customerOrder add column total as data type…

A: Note: As per our guidelines we can able to solve only three questions. So, please re-post the…

Q: If something is transitive, what does that entail? What is the rule for converting tables from the…

A: Answer is

Q: Using the output shown in Figure P7.12 as your guide, generate a list of customer purchases,…

A: Here we have to write an SQL query to have the given table/list of data in the fig. P7.12, Key…

Q: How do primary key, candidate key, and superkey differ?

A: In the context of relational databases, a primary key, candidate key, and superkey are all used to…

Q: For every order that has been received, display the order ID, the total dollar amount owed on that…

A: In this answer I will be providing the SQL query.

Q: What use cases are best suited for the CROSS APPLY function in SQL?

A: The CROSS APPLY function in SQL is a powerful tool used to combine rows from two or more tables…

Q: Which clause can be used to restrict or filter the groups returned by a group function- based query?

A: The HAVING Clause is used to filter data from groups depending on a condition that is specified in…

Q: Create a View to show all the first and last names of managers and the count of their employees.…

A: ANSWER:-

Q: List the names of all Staff members who hold a faculty position and have a salary of $45,000 or…

A: SQL Space: To leave the space while displaying the data ,a function called space is used. Syntax:…

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.