Considering Student and Student_Courses relations shown above, discuss when Union, Inner Join, Left Outer Join, Right Outer Join, and Full Outer Join should be used and provide examples using the above relations.

Q: The Entity Relationship Data Model (Identify the primary key and the foreign key) Represent the…

A: The Entity Relationship Data Model (Identify the primary key and the foreign key) Represent the…

Q: Provide an example of a 3 table OUTER join. Explain how it works and what the order of of the joins…

A: OUTER join OUTER join indicates all the rows are included in the output irrespective of whether…

Q: For the database  Figure, write a query to find the ID of each employee with no manager. Note that…

A: Query using an outer join is as follows, select ID from employee natural left outer join manages…

Q: Using the STUDENT and PROFESSOR tables, illustrate the difference between a natural join, an…

A: Student and Professor table are given below: Student Table: Professor Table:

Q: Using the STUDENT and PROFESSOR tables, illustrate the difference between a natural join, an…

A: PRODUCT operator: It is used to find the Cartesian product of two attributes present in the…

Q: Design any two queries that apply inner join and left join depending on your relational schema.

A: Given: Customers (id, name, shops_id) Products (id, name, price, manufacturing_company) Orders (id,…

Q: Please produce a set of normalized relations from the following table: INVOICE Invoice Customer…

A: The primary key for the given relation is {Invoice#, CustomerID#} The functional dependency possible…

Q: Please produce a set of normalized relations from the following table: INVOICE Invoice Customer…

A: Q1. The primary key for the given relation is {Invoice#,CustomerID#} The functional dependencies…

Q: List of all available JOIN types and explain each Join Type with some example business case.

A: Q: List of all available JOIN types and explain each Join Type with some example business case.

Q: In your own words, describe the data that is returned by the 4 basic types of joins : inner join,…

A: In your own words, describe the data that is returned by the 4 basic types of joins : inner join,…

Q: Using the company schema, when creating the "works_on" table, the foreign key should be specified…

A: Foreign key specified The foreign key is used for linking two tables together. It is also known as…

Q: how is the ProductID field in the Product table specified to be required? Why is it a required…

A: Given: Required attribute

Q: Parking_Number Car_Model Course Marketing lent_ID 2 Toyota 4 BMW Business IT Оpel Ford Hyundai…

A: Given that using the join statement select records that matching in both tables limited to…

Q: uppose that the following are true: all id column are primary keys in whichever table they are the…

A: Answer is given below .

Q: Composite primary key can be defined at table level only. Select one: True False

A: As per the question asked the, the proper solution of the question is given in below step:

Q: Write a query to display the name of the department that has the maximum staff count order by…

A: As per the given problem statement we have to develop a SQL query  to display the name of the…

Q: Q3. Based on the type of relationship, determine which table contains the foreign key.

A: Based on the type of relationship,determine table contains the foreign key

Q: A(n) _____ join will select only the rows with matching values in the common attribute(s)

A: The Answer :

Q: Explain the difference between an inner join and an outer join.

A: The join clause is a special keyword in a SQL (Structured Query Language), which is used to combine…

Q: For the database of Figure 4.12, write a query to find the ID of each employee with no manager. Note…

A: Query using an outer join: SELECT ID, person_name, street, city FROM employee FULL OUTER JOIN…

Q: For the database of Figure 4.12, write a query to find the ID of each employee with no manager. Note…

A: Query using an outer join: SELECT ID, person_name, street, city FROM employee FULL OUTER JOIN…

Q: For the database of Figure 4.12, write a query to find the ID of each employee with no manager. Note…

A: Query using an outer join is as follows, select ID from employee natural left outer join manages…

Q: 1. In your own words, describe the data that is returned by the 4 basic types of joins : inner join,…

A: given data is  In your own words, describe the data that is returned by the 4 basic types of joins :…

Q: Write a query to display the name of the department that has the maximum staff count order by…

A: As per the given problem statement we have to develop a SQL query  to display the name of the…

Q: Write a query to display the name of the department that has the maximum staff count order by…

A: As per the given problem statement we have to develop a SQL query  to display the name of the…

Q: Write a query to display the name of the department that has the maximum staff count order by…

A: As per the given problem statement we have to develop a SQL query  to display the name of the…

Q: Write a query to display the name of the department that has the maximum staff count order by…

A: As per the given problem statement we have to develop a SQL query  to display the name of the…

Q: Write a query to display the name of the department that has the maximum staff count order by…

A: Here ,we write Query to display the name of department that  has maximum staff count order by…

Q: Write a query to display the name of the department that has the maximum staff count order by…

A: As per the given problem statement we have to develop a SQL query  to display the name of the…

Q: TUDENT Student# Std-Name Address   1 Smith Jeddah   2 Bob Buraidah   3 Alice Dammam…

A: The code has given

Q: Can an outer join be easily implemented when joining more than two tables? Why or why not?

A: Outer join is not easily implemented in more than two tables.

Q: explain the difference between and outer and inner join. Use an example.

A: Join clause: The join clause is a special keyword in a SQL (Structured Query Language), which is…

Q: EMPLOYEE, and PROJECT tables using common attributes. Sort the results by project value.  In the…

A: Given:- Using the EMPLOYEE, JOB, and PROJECT tables in Figure P7.1, write the  SQL code that will…

Q: Q.No . Consider the following relations:  EMP_NO EMP_NAME EMP_GRADE  JOB_ID DEPTNO START_DATE…

A: Objective: Two relations are given EMP and DEPT including several attributes. We need to write the…

Q: Write a query to display the block number and number of departments in each block and give an alias…

A: To display the block number and number of department in each block.

Q: Write a query to display the block number and number of departments in each block and give an alias…

A: Given,  the query needs to display block number and number of departments in each block The table to…

Q: Write a query to display the name of the department that has the maximum staff count order by…

A: As per the given problem statement we have to develop a SQL query  to display the name of the…

Q: Q. Consider the following relations:  EMP_NO EMP_NAME EMP_GRADE  JOB_ID DEPTNO START_DATE EMP…

A: Since multiple questions are asked,solving 1,2,3 repost remaining. 1. SELECT EMP_NAME||', '||JOB_ID…

Q: Q.. Consider the following relations:  EMP_NO EMP_NAME EMP_GRADE  JOB_ID DEPTNO START_DATE…

A: Since multiple questions are asked,solving 1,2,3 repost remaining. 1. SELECT EMP_NAME||', '||JOB_ID…

Q: A(n) _____ join will select only the rows with matching values in the common attribute(s).…

A: A(n) _____ join will select only the rows with matching values in the common attribute(s).

Q: Write a query to display the name of the department that has the maximum staff count order by…

A: To write a query to display the name of the department that has the maximum staff count order by…

Q: illustrate using students and professor tables what outer join is

A: Let’s consider two tables Students and Professor. Table: Students

Q: With the three join types included with the outer join classification (LEFT OUTER JOIN, RIGHT OUTER…

A: Outer join: Outer join is the joining method in which that gets all rows with matching values in…

Q: Step 1. Draw an ER diagram for the story below. Use the ERD tool only. Draw Relations in Oracle…

A: Using ERD tool

Q: What are the types of join and explain each?

A: JOIN The term JOIN is used to connect one or more rows from two tables or more than two tables. The…

Q: What are the types of join and explain each?

A: Given: What are the types of join and explain each?

Q: What are the types of join and explain each?

A: The solution to the given problem is below.

Q: Display the CID, CName, RID and RType from both tables using the NATURAL JOIN clause.

A: The SQL NATURAL JOIN is a type of EQUI JOIN and is structured in such a way that, columns with the…

Q: Rewrite the query below to exclude vendors from TN or KY: SELECT VENDOR.V_CODE,…

A: I have given an answer in step 2.

Q: Update the emp table to set the commission of all employees to SR 1000 who are working as managers

A: Syntax: UPDATE table_nameSET column1 = value1, column2 = value2, ...WHERE condition;