I NEED HELP WITH THIS QUESTION FOR MY DATABASE MANAGEMENT CLASS FOR SQL DEVELOPER In reporting total_sale by each REP including those who made no sale, which Table joins should be left join. And how to show zero in your report instead of null for reps with no sale.

In this part of the guide, we will demonstrate how to work with a real SQL database.

How do you ensure that user-defined functions in SQL maintain data consistency?

Use the given database to output the results of the following SQL queries: b.) SELECT ∗FROM course AS C INNERJOIN instructor AS I ON C.dept name = I.dept nameWHERE I.ID = 45565; c.) SELECT dept name, building, name, IDFROM department LEFTJOIN instructor ON budget = salary;

I am having problems finding the answers to this assignment ( Lab 5:2 StayWell Student Accommodation).  Please explain how to solve (tasks 5-8) and the sql code needed to get the desired results.   Task 5 - Repeat task four, but this time use the EXISTS operator in your query. Task 6 - List the property IDs of any pair of properties that have the same number of bedrooms.  For example, one pair would be ID 2 and property ID 6, because they both have 4 bedrooms.  The first property ID listed should be the major sort key and the second property ID should be the minor sort key. Task 7 - List the sq footage, owner number, owner last name and owner first name for each property managed by the StayWell-Columbia City Office. Task 8 - Repeat task 7, but this time include only those properties with three bedrooms.

This doesn't answer the question I asked. This is for a different section. I got a solution for this question but it answered a different section. Could I please have a My SQL eer diagram that sets up the following queries. All books that are checked out are due back in two weeks, with no exceptions. The late fee is 50 cents per day. The librarian would like to have a query that generates an overdue book list each day so she can telephone the miscreants. The library would like a query to search for a book by its title and see if it is currently checked out. Sometimes members can’t remember the full name of the book so the query needs to be able to search by a part of the title. The library would like a query that can show them the Top 10 most popular books checked out over a particular date range. The library would like to know the most popular day of the week for library members to visit the library and check out books. The library would like to know which book categories are the most…

In a sql database give an example of a search problem that will work with an inner join and will not work with an outer join. How would you write the query? Why does the search fail or succeed?

Adjust my query to find TOTAL population, my query only find the individuals population  given  In the database built by using city.csv, find and post the total population of Tampa and Miami.  In the database built by using city.csv, find and post the total population of the biggest five cities.

I want to write the SQL to create the tables for the ERD attached, but I also want to add this to the tables: rental date, due date, and return date so that I can support overdue queries. I also want it so each table has primary keys and foreign keys. I want it so the tables have at least 4 rows of data. How can I do this? Thank you for your help as I learn more about SQL and table creation.

What happens if the processor sends a request to the cache while a write buffer block is being written back to main memory?