The relational schema shown below is part of a hospital database. The primary and foreign keys are highlighted in bold. Patient (patientNo, patName, patAddr, DOB) Ward (wardNo, wardName, wardType, noOfBeds) Admission (patientNo, wardNo, admissionDate) Drug (drugNo, drugName, costPerUnit) Prescribed (patientNo, rugNo, unitsPerDay, startDate, finishDate)

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: LIST THE FIRST AND LAST NAMES OF ALL OWNERS WHO OWN A TWO-BEDROOM PROPERTY. USE THE IN OPERATOR IN…

A: Considering there are 2 tables:-  OWNER: which holds the OWNER_NUM, FIRST_NAME, and LAST_NAME…

Q: Using the Bowlers and Bowler_Scores tables, list the BowlerID, bowler name, and raw score for each…

A: The given problem requires us to find the BowlerID, bowler name, and raw score for each bowler who…

Q: What is difference between switch case and where clause is SQL.

A: What is difference between switch case and where clause in sql.

Q: Write correlated and noncorrelated subqueries and understand when to use each.

A: This question argues about correlated and noncorrelated subqueries and understand when to use each.

Q: . If the Employees table contains a foreign key named dept_id, is it likely that the values in this…

A: Employee contains primary key of department as foreign key.  This means there is one to many…

Q: SQL compile a list of all orders placed on day X by calculating the total number of repairs and the…

A: Solution:   Note :  You didn't mention the table schema so assume by myself.   Given,

Q: List all book titles that have never been borrowed by any borrower.

A: The SQL program for the given problem is as follows: use demo;Create table Book(ISBN varchar(30) Not…

Q: List every column in the Condo_UNIT table and its associated typ

A: The, database is a used to stores the data.

Q: mysql> select * from item_db; | item_code | item_name 2 B 8 10 33 85 200 500 9 6 rows in set (0.00…

A: The number of orders made for the item with code '200' directly from the provided item_db table.…

Q: Use a subquery to find employees' last names and hire date from the employees table whose manager is…

A: Let us see the answer:-

Q: Depending on the table: EMP, Write down SQL statement that counts how many employees that their…

A: We have to write a SQL query that counts how many employees that their names have "li" at any place…

Q: Write SQL server procedure to insert record for below table  employees(employee_id, first_name,…

A: First We need to Create an employee table by below Query CREATE TABLE employees ( employee_id…

Q: How many distinct visit reasons start with the word "Pain"? Name the result column as NumPainReason.…

A: SELECT COUNT(DISTINCT VisitReason) AS NumPainReason FROM VisitWHERE VisitReason LIKE 'Pain%';

Q: Find the minimum number of students needed to guarantee that 11 of them were born in the same month.

A: Answer to the above question is in step2.

Q: a distinct difference between subqueries correlated and uncorrelated

A: Solution :- In the above question, the statement is mention in the above given question   Need to…

Q: What exactly is a sub procedure?

A: Sub procedures is a type of procedures

Q: ? List each order number and the date it shipped. SQL comm

A: Solution - In the given question, we have to write the SQL command for the given query.

Q: Which restriction may be used to ensure that a book's category is included when it is added to…

A: Introduction: Inventory refers to the raw materials utilized in manufacturing and the finished…

Q: what is the necessary field in order table in access

A: Tables are the underpinning of an Access data set. Access stores information in tables. This example…

Q: Check the current stock to see what categories of books are available. Once per category only…

A: Because of this, we make use of the DISTINCT clause so that we may get rid of data set by getting…

Q: 1. Which customers live in New Jersey? List each customer’s last name, first name, and state.

A: The solution is given in next step: Let's say that the table's name is Customer for the moment.

Q: database HR Display the last name, salary, and commission for all employees who earn…

A: /* Creation of EMP table, I am creating column EMP_FIRST_NAME and EMP_LAST_NAME instead of…

Q: How can you pick partial table contents?

A: Solution:- We can pick partial table contents by naming the desired fields and by placing…

Q: Select employee first name, concatenate it with job, find length of department id, find location of…

A: Select employee first name, concatenate it with job, find length of department id, find location of…

Q: What is execution sequence of clauses in sql?

A: In SQL, the execution sequence of clauses is vital for comprehending how a query is processed. Each…

Q: Find the album title, band name, format, and total length of all albums released since January 1,…

A: SQL : In order to update, insert, delete, create and alter database tables and views, among other…

Q: Is there a distinct difference between subqueries correlated and uncorrelated?

A: Subqueries correlated and Uncorrelated: As if the subquery were assessed on each row of the table in…

Q: For each different job_id group in the employee table, show the average salary and job_id for the…

A: SELECT Average_salary,              Job_id  FROM employees  WHERE EXISTS (SELECT *…

Q: Use SQL and TAL Distributors database to complete the following questions: List the customer…

A: SELECT statement :-    It is used to retrieve information from the table or database. The syntax for…

Q: How many patients in the database have been diagnosed with acute bronchitis (ICD9Code = 466) and…

A: Count Query :- SELECT COUNT(column_name) FROM table_name WHERE condition; Groupby Query :-…

Q: How can you get the alternate records from the table in the SQL?

A: Question. How can you get the alternate records from the table in the SQL? Answer. If you want to…

Q: Mr. Rohan has constructed a table called'student,' which contains information such as the student's…

A: Tip A primary column (or a set of columns) is used to uniquely identify rows in a table and database…

Q: What’s the basic difference between the ROLLUP and CUBE extensions of the GROUP BY clause?

A: The GROUP BY clause is used to group aggregate function outcomes according to a given column. The…

Q: What will be the field size for the ProductLineName field in the Product table? Why?

A: The field size is 40.

Q: What is the average distance and average maximum group size for each type of trip?

A: "SELECT" command: The "SELECT" command is used to retrieve data in a database. Syntax for selecting…

Q: List the names of the production companies and the titles of their movies. This time, include all…

A: Given that, The names of the tables are Movie and Production Assume that, The attributes of Movie…

Q: Explain the purpose of correlated subquery.

A: The purpose of the correlated subquery is given below.

Basic SQL Queries

Structured Query Language is the full form of SQL. It is a high-level language used to communicate with a relational database. It is used for creating, storing and accessing contents of a relational database. SQL is used to write the queries which are executed using database engines like Oracle, SQL Server and so forth.