reference: http://www.tutorialspoint.com/sql important: constrains: SQL constraints are used to specify rules for the data in a table. If there is any violation between the constraint and the data action‚ the action is aborted by the constraint. In SQL‚ we have the following constraints: NOT NULL - Indicates that a column cannot store NULL value UNIQUE - Ensures that each rows for a column must have a unique value PRIMARY KEY - A combination of a NOT NULL and UNIQUE. Ensures that
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SQL Assignment A. Single Table Queries 1. Compose a query to list the number of customers in each state. In the result table‚ your query should show state and the number of customers in each state. Sort the results by state in ascending order. 2. For each product that had been ordered‚ we would like to know the total quantity that had been requested. List the most popular product first and the least popular product last. In the result table‚ show the product ID and the total quantity that had
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SQL Queries I. Give a database schema for a library management system as the following picture. [pic] 1. How many copies of the book titled Database Fundamentals” are owned by the library branch whose name is "University of Delhi"? 2. How many copies of the book titled The Lost Tribe are owned by each library branch? 3. Retrieve the names of all borrowers who do not have any books checked out. 4. For each book that is loaned out from the " University of Delhi " branch
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Chapter 3: Table Normalization and Windows Azure SQL Database Review Questions 1. What are the conditions for a table to be a relation? Each cell in a table must contain a single value‚ there should be no duplicated rows‚ and all the cells in a column must contain the same type of data 2. How do you link a table to another table? Link tables based on a relationship connecting the entities with common column in each table 3. What is functional dependency? Give an example of functional dependency
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HISTORY OF DATABASE MANAGEMENT SYSTEM With the progress in technology in the areas of processors‚ computer memory‚ computer storage and computer networks‚ the sizes‚ capabilities‚ and performance of databases and their respective DBMSs have grown in orders of magnitudes. The development of database technology can be divided into three eras based on data model or structure: navigational‚ SQL/relational‚ and post-relational. The two main early navigational data models were the hierarchical model
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Table Queries SQL Server Database - Kudler Fine Foods Week 2 POS/410\ April‚ 09 2012 Create Database USE [master] GO /****** Object: Database [Jeff Thompson Sr - POS 410 - IA - KVO] Script Date: 03/27/2012 09:23:56 ******/ CREATE DATABASE [Jeff Thompson Sr - POS 410 - IA - KVO] ON PRIMARY ( NAME = N’Jeff Thompson Sr - POS 410 - IA - KVO’‚ FILENAME = N’D:\MSSQL10_50.MSSQLSERVER\MSSQL\DATA\Jeff Thompson Sr - POS 410 - IA - KVO.mdf’ ‚ SIZE = 2048KB ‚ MAXSIZE = UNLIMITED‚ FILEGROWTH
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1. INTRODUCTION 1.2 OUTLINE OF PROJECT FEES MANAGEMENT SYSTEM will provide a view‚ submit‚ online payment‚ uploading various documents and other mislenious resources. This view will be based on the categories like attendance view and daily activities. Further the University management student personnel can add/update/remove the resources or an automatic removal of accessing features when the time limit completes. The System will also have an ADMIN who has full-fledged rights with regards to managing
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Crore as of 08/Aug/2012 and the consortium of lenders headed by State Bank of India has termed the firm as a Non Performing Asset. The increasing in aviation turbine fuel price‚ undercutting of ticket prices to win customer base‚ improper managerial accounting‚ and glamorous life style of owner has made Kingfisher to run n to deeper losses and ground its low cost fleet Kingfisher Red. Over the course of time from its launch in 2005‚ Kingfisher Airlines has lost its reputation among its customers and employees
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1/28/2015 sql lab @ home 2 | SQL LAB @ HOME SQL LAB @ HOME search Classic Flipcard Magazine Mosaic Sidebar Snapshot Timeslide sql lab @ home 12 sql lab @ home11 sql lab @ home 10 sql lab @ home 2 1. Display the details of all the customers. (Use the AdventureWorks database) select * from [Sales].[Customer] sql lab @ home 9 sql lab @ home 8 2. Display the ID‚ type‚ number‚ and expiry year of all the credit cards in the following format. (Use the AdventureWorks database) sql lab @ home 7
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SQL-QUERIES 1. Display all the information of the EMP table? A) select * from emp; 2. Display unique Jobs from EMP table? A) select distinct job from emp; B) select unique job from emp; 3. List the emps in the asc order of their Salaries? A) select * from emp order by sal asc; 4. List the details of the emps in asc order of the Dptnos and desc of Jobs? A)select * from emp order by deptno asc‚job desc; 5. Display all the unique job groups in the descending order? A)select distinct job from emp order
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