Answered: Explain the factors that need to be…

Engineering

Computer Science

Explain the factors that need to be considered for creating an index on a specific table column.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Related questions

Q: Create data base 4 table about Oscar Award : 1-actor 2-actress 3-movie 4-Nominations

A: Here are the tables regarding Oscar:

Q: Creating a table with following information: Name of table: Worker, columns and data types:…

A: The CREATE TABLE statement is used to create a new table in a database.

Q: Specify the features of a working SQL database.

A: The answer is given below step.

Q: When is it not a good idea to establish an index for a table?

A: Please refer to the following step for the complete solution of the problem above.

Q: lter table product so that column productlype is an integer instead of a varchar, not null should be…

A: Lets see the solution.

Q: A column (or group of columns) that exist to create relationships between two tables, linking to the…

A: Option (d) is correct option. Foreign key.

Q: Refer the below schema and create the SCHEDULE. Column Constraint Constraint name Reference table -…

A: Required: By following the given schema create the SCHEDULE table Create function is used to…

Q: Designing Tables Consider the following guidelines when designing your tables: Use descriptive names…

A: Create database TableCreation; Create table Employee(emp_id(int 10) not null, emp_firstName(varchar…

Q: How do you create primary key in excel database

Q: Creating factory Database SUPPLIER CUSTOMER Id ld CompanyName FirstName ContactName LastName City…

A: How to Add a New Column with ALTER TABLE To add a new column, you first need to select the table…

Q: Based on the ERD below, display all columns in the JOB table for those job descriptions that have…

A: 2) Query to display all columns in the JOB table for those job descriptions that have both analysts…

Q: 1. a) Create a table Staff Column Name Datatype Constraint Sid Number(3) Primary Key Varchar2(30)…

A: To write query statement to create a table for staff details.

Q: Examine this product table's column definitions: pid number primary key pname varchar2(50) You must…

A: The Select statement is used in SQL to obtain a subset of rows and columns in a database. The…

Q: ITEM (ITEM ID, DESCRIPTION, ON HAND, CATEGORY, LOCATION, PRICE, NUM, INVOICE _ DATE, CUST PRICE))…

Q: Question 16 RK Create a SQL routine that produces a graphical output such as a chart. Full…

A: Node or edge tables can be created under any schema in the database, but they all belong to a single…

Q: Create a list showing only the Employee ID, Sales, and Projected Sales columns sorted from highest…

A: The query selects the specified columns from the EmployeeSales table and orders the result set based…

Q: Create the Student table with following details: Data type Number Varchar(25) Field Constraint Sid…

A: We are assuming that the field book_id references a table by name of Book which has book_id as its…

Q: When creating DB tables that contain foreign key references to other tables, you must: first create…

A: Ans 1: When creating DB tables that contain foreign key references to other tables , you must : a)…

Q: Create Library table with following schema: Field Data type Number Varchar(25) Constraint Вookid…

A: CREATE TABLE Library ( Bookid INT PRIMARY KEY, Bname Varchar(25), Price INT NOT NULL,…

Q: another name for tab

A: Lets see the solution.

Q: What SQL command should you use to obtain specific rows from a database table?

A: INTRODUCTION: SQL is a database programming language for retrieving and managing data in relational…

Q: Q16) List the V_CODE and V_NAME of vendors that provide products Q8) List the product description,…

A: Structured Query Language is abbreviated as SQL or also pronounced as See-Qwell. It is developed for…

Q: What is a piece of software that allows you to create tables and produce queries to find…

A: SQL

Q: WEEK 9 SQL ASSIGNMENT Part I: Complete the following exercise: Create the following table with…

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

Q: CREATE INDEX ItemIndex1 ON Orderline (TaskID) What is the SQL query to display the index that I…

A: Here, The query is given to create an index.

Q: Which are the primary key in the following tables

A: A primary key is the column or columns that contain values that uniquely identify each row in a…

Q: How is the number of columns in a Web table determined? What adjustment do you have to make when a…

A: Explanation: Table property allow the web developers to present the data in rows and columns…

Q: DBA time is saved thanks to the DBMS's query optimisation procedures.

A: Dear learner, hope you are doing well, I will try my best to answer this question. Thank You!!

Q: What are two ways to store query data?

A: The two ways we can store query data are: Relational databases NoSQL databases let's see it…

Q: Copying and pasting data between tables requires a specialized command.

A: Copying and pasting data between tables is a common task in database management. This operation is…

Q: create Table Name: PRODUCTS…

A: Given: create Table Name: PRODUCTS FIELD NAME DATA TYPE…

Q: Use the query box below to answer the questions, saving your query for each question. When you are…

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

Q: Excel Tables Which of the following are benefits of using an Excel Table ? (Select THREE that apply)…

A: The objective of the question is to identify the three benefits of using an Excel Table from the…

Q: which of these cannot be defined in a table design view in MC acess a field name a foriegn key…

A: Introduction: Here we are required to explain which of these following cannot be defined in a table…

Question

Explain the factors that need to be considered for creating an index on a specific table column.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Introduction:

VIEW

Step 2: Factors to Consider when Creating an Index:

VIEW

Solution

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

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

drow ER deigram for this table
When you create a Details view, what determines the type of control to which a column is bound?
Explain Attributes.
SQL script which is the physical design for this database ### Animals This table contains the following data about all animals in the zoo. - animal ID (primary key) - animal name - animal birthdate - species - habitat (foreign key) [1 habitat to many relationship] ### Habitats This table contains data about the habitats in the zoo. Each animal lives in a specific habitat. The habitat table should include the following data - habitat name, foreign key) - habitat location ### Database CREATE DATABASE zoo; Write queries to create the tables. Be sure to include primary keys for each table and the required foreign keys and referential integrity actions. Add appropriate indexes. This database requires at least 2 indexes in addition to those automatically created by MySQL.
Computer Science PHP - SQL
SQL FOR THERES TABLES
A specific command is required in order to copy data inside tables as well as copy data across tables.
Copying and pasting data across tables requires the use of a specific command.
question Design a SOQL query with inline soql to display the Account history data. Design the history Query for account. Salesforce Development, Query, SOQL
Which of the following is not true about PIVOT() queries Group of answer choices the base query can retrieve data using an extensive set of INNER JOINS the base query can JOIN a maximum of three tables the base query can be used to pre-process data such as using a GROUP BY() the base query can be used to change the column names that will be displayed
Excel Tables - Structured Reference What does the "@" symbol represent in a Structured Reference to an Excel table? OPTIONS: A reference to the header row of the table A reference to the entire table of data A reference to the current column of the table A reference to the current row of the table
JANUARY DATA MANAGEMENT SHORTAND NOTATION FOR RELATIONAL SQL TABLES Notation Underlined Example Meaning The attribute(s) is (are) a primary key The attribute(s) is (are) a foreign key referencing relation R CREATE TABLE R A or A, B A cany SQL type>, B cany SQL type>, C cany SQL type>, D cany SQL type>, E cany SQL type>, A or A", B* Superscript name of relation PRIMARY KEY(A), As an example, the schema FOREIGN KEY (E) REFERENCES S(F) ): R(A, B, C, D, E') S(E, G, H) CREATE TABLE S F , G cany SQL type>, H cany SQL type>, PRIMARY KEY(F)) corresponds to the following SQL tables: EXERCISE Consider the following relational schema, representing five relations describing shopping transactions and information about credit cards generating them [the used notation is explained above]. SHOPPINGTRANSACTION (Transld, Date, Amount, Currency, ExchangeRate, CardNbrREDITCARD, StoreldSTORE) CREDITCARD (CardNbr, CardTypeCARDTYPE, CardowneroWNER, ExpDate, Limit) OWNER (Ownerld, Name, Surname, BirthDate,…