consider the database below and answer the query. pk refers to primary key and FK refers to foreign key. Employee(Employee_id(PK), First_name, Last_name, Email, Phone_number, Hire_Date, Job_ID(FK) COmmision_pct, manager_id, department_id(FK)) Departments(Department_id(PK), dept_name, manager_id(FK), location_id) Locations(Location_id(PK), street_address,
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consider the
Employee(Employee_id(PK), First_name, Last_name, Email, Phone_number, Hire_Date, Job_ID(FK) COmmision_pct, manager_id, department_id(FK))
Departments(Department_id(PK), dept_name, manager_id(FK), location_id)
Locations(Location_id(PK), street_address, postal_code, city, state_province, country_id)
Jobs(Job_id(PK), job_title, min_salary, max_salary)
write a pl/sql script to create a trigger that prints"the department name is changed from IT to sales" whenever the department is changed from IT to sales
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- Delete the OWNER_INDEX 3 index from the OWNER table.Closely examine the following tables and use it to answer the questions that follow: department course student_type student_category Student registration registration_type Suppose that the following are true: - all id column are primary keys in whichever table they are - the dept_id in course table is foreign key that is referencing the id column in the department table - the foreign keys stud_type_id, stud_cat_id in the student table are referencing the id columns in the student_type and student_category tables respectively. - the coursecode and stud_id columns in the registration table are foreign keys in the course and student tables respectively. 1. Design an Entity Relationship Diagram for the system above. 2. Write query that would return the names and contacts of all Local students. 3. Write a query that would return names, contact and locations of all departments that has a location text with Ave 3 as part of it. [hint: use the LIKE clause with “_” or “%”] 4. What would…The database should contain the following six tables: Artists (artist_id: char(30), artist_name: char(30), artist_pop: int(5))Tracks (track_id: char(30), track_name: char(30), duration: int(10), tempo:real) Record (artist_id: char(30), track_id: char(30))Users (user_id: char(30), user_name: char(30), age: int(5), nationality: char(30), num_track_listened: int(10))Listen (user_id: char(30), track_id: char(30))Follow (user_id: char(30), artist_id: char(30), follow_date: datetime) Write a single SQL query for each request below. Find the ids of those users who have listened to at least one track but have not followed any artists. Find the ids and names of those users who have listened to some tracks recorded by the artist named 'Adele'. Find the ids and names of those users who have not listened to any track recorded by the artist named 'Adele'. Use ''NOT EXISTS'' to answer this query.
- consider the database below and answer the query. pk refers to primary key and FK refers to foreign key. Employee(Employee_id(PK), First_name, Last_name, Email, Phone_number, Hire_Date, Job_ID(FK) COmmision_pct, manager_id, department_id(FK)) Departments(Department_id(PK), dept_name, manager_id(FK), location_id) Locations(Location_id(PK), street_address, postal_code, city, state_province, country_id) Countries(Country_id(PK), Country_name, region_id) Jobs(Job_id(PK), job_title, min_salary, max_salary) write a pl/sql script (using cursor and %TYPE) query to show the ames of all the departments which are not located in US or Canadaconsider the database below and answer the query. pk refers to primary key and FK refers to foreign key. Employee(Employee_id(PK), First_name, Last_name, Email, Phone_number, Hire_Date, Job_ID(FK) COmmision_pct, manager_id, department_id(FK)) Departments(Department_id(PK), dept_name, manager_id(FK), location_id) Locations(Location_id(PK), street_address, postal_code, city, state_province, country_id) Jobs(Job_id(PK), job_title, min_salary, max_salary) write a pl/aql script to create a procedure the string accordingly, if the employee is receiving any commision(COMMISSION_PCT) or not. the argument of the profedure is Empl_id. also, write the procedure callconsider the database below and answer the query. pk refers to primary key and FK refers to foreign key. Employee(Employee_id(PK), First_name, Last_name, Email, Phone_number, Hire_Date, Job_ID(FK) COmmision_pct, manager_id, department_id(FK)) Departments(Department_id(PK), dept_name, manager_id(FK), location_id) Locations(Location_id(PK), street_address, postal_code, city, state_province, country_id) Jobs(Job_id(PK), job_title, min_salary, max_salary) write a pl/sql script (using cursor and %TYPE) query to show the ames of all the departments which are not located in US or Canada
- consider the database below and answer the query. pk refers to primary key and FK refers to foreign key. Employee(Employee_id(PK), First_name, Last_name, Email, Phone_number, Hire_Date, Job_ID(FK) COmmision_pct, manager_id, department_id(FK)) Departments(Department_id(PK), dept_name, manager_id(FK), location_id) Locations(Location_id(PK), street_address, postal_code, city, state_province, country_id) Jobs(Job_id(PK), job_title, min_salary, max_salary) wirte a function (with one argument : department name) that calculates and returns the total number of employees who are not working in IT department and earning more than $5000. write an appropriate call also. COMP 214 pl/sqlConsidering Vaccination Database, write queries to: Display the Subject CNIC, Name, Contact, Dose1 Center, and Dose2 Center as shown below: CNIC Name Contact Dose1 Center Dose2 Center 22401-6645321-1 Nasir 3409991112 Lachi Kohat 2 14301-6045321-5 Shahab 3409991112 kohat 3 Dara The subjects who have been vaccinated different types in Dose1 and Dose2. For instance, subjects who were vaccinated ‘Sinovac’ in the first dose, while Pfizer in the second dose.How many Viles of each type have been consumed so far. How many subjects are vaccinated from expired viles. Suggest the name of Incharge for the best performance award based on the highest number of subjects vaccinated on a single dayClosely examine the following tables and use it to answer the questions that follow:departmentstudent_type student_categorycourseStudentregistration registration_typeSuppose that the following are true:- all id column are primary keys in whichever table they are- the dept_id in course table is foreign key that is referencing the id column in the department table- the foreign keys stud_type_id, stud_cat_id in the student table are referencing the id columnsin the student_type and student_category tables respectively.- the coursecode and stud_id columns in the registration table are foreign keys in the courseand student tables respectively.1. Design an Entity Relationship Diagram for the system above.2. Write query that would return the names and contacts of all Local students.3. Write a query that would return names, contact and locations of all departments that has alocation text with Ave 3 as part of it. [hint: use the LIKE clause with “_” or “%”]4. What would be the result returned…
- Assume you have a vehicle table with a surrogate key vehicle_id column and VIN (Vehicle Identification Number) column and some other columns. You want to designate a unique index on the vehicle_id and VIN columns because together they filter on the joining column with the highest cardinality (or degree of uniqueness). Write the syntax to add a unique index on the vehicle_id and VIN columns triggered by joins on the surrogate key column?Consider the following relational schema and answer the following questions. Employee (Employee_Id, First_Name, Last_Name, Email, Phone_Number, Hire_Date, Job_Id, Salary, Commission_Pct, Manager_Id, Department_Id) Write a query to get the difference between the highest and lowest salaries. Write a query to find the manager ID and the salary of the lowest-paid employee for that manager. Write a query to get the department ID and the total salary payable in each department. Write a query to get the total salary, maximum, minimum, average salary of employees (job ID wise), for department ID 90 only. Write a query to get the average salary for all departments employing more than 10 employees.name of table 1 Staff_info: Staffid (pk) Fname Lname Dob Genderid Course_code (fk) Gender_info: Genderid (pk) gender Course_info: Course_code (pk) Course_name Departid (fk) Depart_info: Departid (pk) Depart_name using the information above develop a database using mysql workbench and connect the tables to each other using the propper fk (foreign key) and pk (primary key) database name should be connectstaff