For every completed or 'open service request for janitorial work', list the condo id, description, and status.

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: Display user name and their city who have booked their tickets not by using HDFC bank for any of the…

A: Introduction To the Question: The Schema for the database is given in which we have  a various…

Q: For each order, list the order ID, customer ID, order date, and most recent date among all orders.…

A: Given data For each order, list the order ID, customer ID, order date, and most recent date among…

Q: List the customer number, customer last name, and customer first name of each customer that lives in…

A: A command to list the customer number, customer last name, and customer first name of each customer…

Q: Alter the INVOICE_LINE table by adding the INVOICE_NUM column as a foreign key referencing the…

A: Alter table : used to modify column, add column/columns, add constraints, drop column, rename, drop…

Q: Insert into the LARGE_PROPERTY table the office number, address, bedrooms, floors, monthly rent, and…

A: We need to insert some columns from property table to largeproperty table whose square footage is…

Q: Q2: Do these queries: 1. Show department name and instructor name who is having salary greater than…

A: Due to company policies I am compelled to solve only one question and that is the first question.…

Q: Based on the ERD below, display the assignment number, employee number and assigned hours for either…

A: Here we are joining three tables ASSIGNMENT, EMPLOYEE, and JOB and the assigned job is either 501 or…

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: 4. List all customers (last name, first name and zip code) whose zip code is missing (unknown).

A: 4. Answer: SELECT LastName, FirstName, ZipCode FROM Customer WHERE ZipCode IS NULL;

Q: List the number of customers living at each state that is included in the Customer_T table.

A: Query:-

Q: Update the rent of PROPERTY_ID=1 to 1200 using the COLOMBIA_CITY_PROPERTY VIEW.

A: Answer to the above question is in step2.

Q: |The Employee table has the following columns: • ID - integer, primary key FirstName -…

A: Below im writing the statement

Q: Every guide receives their first review 6 months after their hire date. List the guide’s last name,…

A: SQL query to display all the list of the guide’s last name, first name, hire date, and his/her first…

Q: Write a query to list all client ID(name and last names) and client type who have never checked out…

A: Given: Write a query to list all client ID(name and last names) and client type who have never…

Q: Display only unique last_name from students table.

A: This question comes from Database Management System which is a paper of Computer Science. Let's…

Q: Query list of all our customers full name and email. Show those whose customer id is either…

A: The above question is solved in step 2:-

Q: Add the OWNER_NUM column as a foreign key in the CONDO_UNIT table.

A: to Add the OWNER_NUM column as a foreign key in the CONDO_UNIT table, the script is mentioned in…

Q: Write query "List the title and ISBN of all books using the BOOKS table"

A: Query to display all the records of the books table:   SELECT ISBN, BOOK_TITLE FROM BOOKS;

Q: Find and display what type of rank players played in a tournament organized by omer khalid. Q#5…

A: Database Management System(DBMS) is a software for storing and retrieving users data while…

Q: Write Queries for the following: a. List all student whose Surname begins with b or end with a or…

A: Question 3 is answered as per the guidelines, please repost other questions. The data inserted into…

Q: Write a query to display the rental number, rental date, movie title, and detail fee for each movie…

A: According to the given schema, first create a table Movies and insert some records in the table.…

Q: Write a query to display the customer code, first name, last name of all customers who made more…

A: Select: The SELECT statement is used to select data from a database. SELECT Syntax SELECT…

Q: 1. Delete the customer(s) who not ordering. 2. Update CITY_NAME of CUSTOMER table for all customers.…

A: As per our guidelines, we are supposed to answer only 1st three parts. Kindly repost the remaining…

Q: Display only the products (name and ID) that have a quantity greater than the average quantity of…

A: Displaying   the products (name and ID) that have a quantity greater than the average quantity of…

Q: Find out the total sales, minimum sales, maximum sales and the number of invoices during the 2nd…

A: Overview : The COUNT() function returns the number of rows that matches a specified criterion. The…

Q: Complete the query to get the number of employees working in the department ‘HR’.       ______…

A: Given, We have to complete the given SQL query to get the number of employees working in the…

Q: Salary from highest to lowest  Sorting emp name alphabet

A: Please find the answer below

Q: Change the MONTHLY_RENT column in the LARGE_PROPERTY table to reject null values

A: You can insert NULL value for a data and you can restrict that it shouldn't allow null values by…

Q: Delete all the employees in the department that has less than 3 employees using sql

A: Explanation: The deletion is based on “DEPTNO” in “EMPLOYEE” table. “delete” command is used to…

Q: From the above student table, find the students whose status is registered but not postponed using…

A: We are going to find those students whose status is registered but not Postponed. And we are going…

Q: The name of the students that has the highest total credit. table =student students have >>…

A: Table  name - student The table student has  id,name, department_name, total_credit are the entites.…

Q: Write a query to list the book title, checkout date, checkout due date and checkout in date for each…

A: According to the information given:- We have to write a query on the basic of mention need.

Q: Display the state of customers, the total and the average purchase amounts of each state in 2017…

A: Solution is in Step 2.

Q: List all customers who were referred to the bookstore by another customer. List each customer's last…

A: The way the question is put up. It is very likely that the question is of SQL language.  Also, you…

Q: List the item ID, description, and on-hand value of each item whose number of units on hand is more…

A: Subquery : A subquery is a query that is nested inside a SELECT , INSERT , UPDATE , or DELETE…

Q: If a subquery is used in the FROM clause of a query, how are the subquery’s results referenced in…

A: Results of a sub query used in FROM clause The FROM clause is used to list tables and any joins…

Q: What will be the output of the given queries on the given table shown below: Student(SID,…

A: Given Table: Student(SID, NAME,CLASS, SECTION) Requirement: Find the output when the following query…

Q: What is the most common visit reason of patients in their 20s (Age 20–29)? • Report the visit reason…

A: The ask is to write a SQL query to display most common reason alongwith its number of occurrences.

Q: d (column H) first. What is the average Sales Price for all the properties with 2or as and more than…

A: <Use LIST worksheet>   Now by calculating the "Days on Market in column L by finding the…

Q: List staff_id, last_update and amount from payment. Find the sum amount by each staff_id and assign…

A: Find the required query given as below :

Q: List student names and total reservations for all students whose have reservad a book more then one…

A: The question is to list student names and total reservations for all students whose have reserved a…

Q: List the item ID, description, and category for each pair of items that are in the same category.…

A: ANSWER:-

Q: Display all last name of students table who did not input their address or telephone and…

A: Display all last _name of students table who did not input their address or telephone and mobile_…

Q: Write a query that returns all customers listed in the orders table who placed orders on the most…

A: The answer is given below.

Q: Use Employees table to display the department id and highest salary with the column name "Highest…

A: The Answer is

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.