Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
You have a table that contains the following fields: MemberLastName, MemberFirstName, Street, City, State, ZipCode, and MembershipFee. There are 75,000 records in the table. What indexes would you create for the table, and why would you create these indexes?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Trending nowThis is a popular solution!
Step by stepSolved in 2 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- create database GA2gouse GA2gocreate table salesman(salesman_id int primary key, name varchar(30), city varchar(20), commission varchar(30));insert into salesman (salesman_id, name, city, commission) values (5001, 'James Hoog', 'New York', 0.15); insert into salesman (salesman_id, name, city, commission) values (5002, 'Nail Knite', 'Paris', 0.13); insert into salesman (salesman_id, name, city, commission) values (5005, 'Pit Alex', 'London', 0.11); insert into salesman (salesman_id, name, city, commission) values (5006, 'Mc Lyon', 'Paris', 0.14); insert into salesman (salesman_id, name, city, commission) values (5007, 'Paul Adam', 'Rome', 0.13); insert into salesman (salesman_id, name, city, commission) values (5003, 'Lauson Hen', 'San Jose', 0.12); Create table Customer (customer_id int primary key, cust_name varchar(30), city varchar(10), grade varchar(30), salesman_id int,CONSTRAINT FK_salesman_id FOREIGN KEY (salesman_id) REFERENCES salesman(salesman_id));insert into customer…arrow_forwardSQL CODE FOR For the players who show up in Batting, Bowling, and Fielding tables, create a list that shows their names, runs they have scored, wickets they have taken, and catches they have taken? table is in picture (bowling table is same as batting and fielding )arrow_forwardQ2:Write a row-level trigger that executes before updating a project’s location in the project table. The trigger changes the department number of the project to 4 if the location is in ‘Stafford’. SQLarrow_forward
- 1-Write the syntax to insert into a relational table called students the address column references an object table called addresses that was created using an address_type. Other columns exist in the students table, but you are only inserting into the ones below. Aliases used should be the first letter of the table name, eg students would be s, addresses would be a Relational Table Name students attribute student_id attribute surname attribute addressarrow_forwardTask 3: The Car Maintenance team wants to insert and store the following maintenance types to the MAINTENANCE_TYPES table: ID: 1; Description: Tire Change; Price: 50 ID: 2; Description; Oil Change; Price: 45 ID: 3; Description; Full Cleaning; Price: 100 ID: 4; Description; Gas Pump Change; Price: 145 Add the four maintenance types to the MAINTENANCE_TYPES table.arrow_forwardEmployee SearchCreate an application that connects to the Personnel.mdf database that you created in Programming Problem 1. The application's form should display the Employee table in a DataGridView control. The application should let the user specify a name in a text box and then search for that name in the Employee table. The application should display any rows that contain a full or partial match of the specified name. Need help with my code. Not properly pulling up the names. SQL code: SELECT Id, Name, Position, HourlyPay FROM dbo.Employee WHERE Name LIKE '%' C# Code: using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms; namespace Name_Search{public partial class Form1 : Form{public Form1(){InitializeComponent();} private void employeeBindingNavigatorSaveItem_Click(object sender, EventArgs…arrow_forward
- Assume that a database has a table named Stock, with the following columns:Column Name TypeTrading_Symbol nchar(10)Company_Name nchar(25)Num_Shares intPurchase_Price moneySelling_Price moneyWrite a Select statement that returns the Trading_Symbol column only from the rows where Purchase_Price is greater than $25.00.arrow_forwardIn the BOOK_PRICING database, the Category field should be marked as obsolete. Make sure the column has been marked as unavailable.arrow_forwardGo to the w3schools website’s SQL browser IDE. This is where you canwrite and test your SQL code using their databases. Once you are happywith it, paste your code in a text file named Student.txt and save it in yourtask folder.● Write the SQL code to create a table called Student. The table structure issummarised in the table below (Note that STU_NUM is the primary key):Attribute Name Data TypeSTU_NUM CHAR(6)STU_SNAME VARCHAR(15)STU_FNAME VARCHAR(15)STU_INITIAL CHAR(1)STU_STARTDATE DATECOURSE_CODE CHAR(3)PROJ_NUM INT(2)● After you have created the table in question 1, write the SQL code to enterthe first two rows of the table as below:STU_NUMSTU_SNAMESTU_FNAMESTU_INITIALSTU_STARTDATECOURSE_CODEPROJ_NUM01 Snow John E 05-Apr-14 201 602 Stark Arya C 12-Jul-17 305 11● Assuming all the data in the Student table has been entered as shownbelow, write the SQL code that will list all attributes for a COURSE_CODE of305.…arrow_forward
- 6.7 LAB - Create Vehicle and EventVehicle tables The California DMV's completed table diagram is presented in the zyBook. The following is a portion of the table di Vehicle VehicleID TypeCode R YearNumber R MakeCode R ModelName R PlateID R VehicleEvent StateCode R -restrict- • VehicleID RegistrationDate -restrict- • EventNumberarrow_forwardYou have a table that contains the following fields: Last Name, First Name, Street, City, State, and Postal Code. There are 50,000 records in the table. What indexes would you create for the table? You have a table that contains the following fields: Book ISBN Number, Book Title, Author Last Name, Author First Name, Publication Year, and Publisher Name. There are 75,000 records in the table. What indexes would you create for the table?arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Database System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. SudarshanPublisher:McGraw-Hill EducationStarting Out with Python (4th Edition)Computer ScienceISBN:9780134444321Author:Tony GaddisPublisher:PEARSONDigital Fundamentals (11th Edition)Computer ScienceISBN:9780132737968Author:Thomas L. FloydPublisher:PEARSON
- C How to Program (8th Edition)Computer ScienceISBN:9780133976892Author:Paul J. Deitel, Harvey DeitelPublisher:PEARSONDatabase Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781337627900Author:Carlos Coronel, Steven MorrisPublisher:Cengage LearningProgrammable Logic ControllersComputer ScienceISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education