Database Systems: Design Implementation & Management
11th Edition
ISBN: 9781305850378
Author: Coronel
Publisher: Cengage
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 11, Problem 2RQ
What index should you create? Write the required SQL commands.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Which SQL Command is used to delete a
table from the database:
a) Update
b) Alter
c) Drop
d) Select
simple database composed
following
les: PATI
DRUG, and
PRESCRIPTION, is now loaded with this assignment and you are ready to start. Please explore
the database and then write the appropriate SQL command to answer the following questions.
1. List all the rows in which the prescription dates occur on or after November 14.
2. How many doctors provide prescriptions with 30 tablets in total?
3. List doctor's details where specialty is either Dermatology or Neurology. (Use IN
operator). List the results by the first name in ascending order and the last name in
descending order
4. Find all patients rows whose first names include 'George' (Assume case sensitivity).
5. List number of patients that do not have a phone number.
6. How many drugs with price < 40$?
7.
How many prescriptions are generated for each patient, limit the listing to patients who
have more than 2 prescriptions?
8. List number of female patients born in 1970
9. List the drug codes and prices (rounded to one decimal place).…
sql question
Write an UPDATE statement that modifies the Customers table. Change the password column to “reset” for every customer in the table.
Chapter 11 Solutions
Database Systems: Design Implementation & Management
Ch. 11 - Prob. 1RQCh. 11 - What index should you create? Write the required...Ch. 11 - What is the focus of most performance-tuning...Ch. 11 - What are database statistics, and why are they...Ch. 11 - How are database statistics obtained?Ch. 11 - What database statistics measurements are typical...Ch. 11 - How is the processing of SQL DDL statements (such...Ch. 11 - In simple terms, the DBMS processes a query in...Ch. 11 - If indexes are so important, why not index every...Ch. 11 - What is the difference between a rule-based...
Ch. 11 - Prob. 11RQCh. 11 - What are some general guidelines for creating and...Ch. 11 - Prob. 13RQCh. 11 - Prob. 14RQCh. 11 - Prob. 15RQCh. 11 - SELECT SELECT EMP_LNAME, EMP_FNAME, EMP_AREACODE,...Ch. 11 - Problem 1 and 2 are based on the following query:...Ch. 11 - Using Table 11.4 as an example, create two...Ch. 11 - Problems 46 are based on the following query:...Ch. 11 - Problems 46 are based on the following query:...Ch. 11 - Prob. 6PCh. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 15 and 16 are based on the following...Ch. 11 - Problems 15 and 16 are based on the following...Ch. 11 - Problems 1721 are based on the following query:...Ch. 11 - Problems 1721 are based on the following query:...Ch. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Problems 1721 are based on the following query:...Ch. 11 - SELECT SELECT P_CODE, P_DESCRIPT, P_PRICE,...Ch. 11 - Problems 2224 are based on the following query:...Ch. 11 - Problems 2224 are based on the following query:...Ch. 11 - Problems 25 and 26 are based on the following...Ch. 11 - Problems 25 and 26 are based on the following...Ch. 11 - Prob. 27PCh. 11 - Problems 27 and 28 are based on the following...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...
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
- please use sql to answer the following question an erd has been add a) Add a new row in the ORDERS table with the following data: Order# = 1021, Customer# 1009, and Order date = today’s date. Modify the zip code on order 1017 to 33222. Save the changes permanently to the database. Apply commit Add a new row in the ORDERS table with the following data: Order# = 1022, Customer# =2000, and Order date = today’s date. Describe the error raised and what caused the error.arrow_forwardSQL Problem- How do I create this and provide code please.arrow_forwardMS SQL server Create a Stored Procedures with the name of “usp_CalculateTotals”. usp_CalculateTotals should take three parameters: a client’s social security number (input parameter), mode (input parameter), and the total (output parameter). If the mode is 1, it should calculate the total balance of all the accounts of the client. If the mode is 2, it should calculate the total withdrawal amounts the client has done, and if the mode is 3, it should calculate the total deposit amounts the client has done. Implement the stored procedure below:arrow_forward
- Answer fast please, I need answer only but fastarrow_forwardExplain the purpose of the CHECK clause within a CREATE TABLE SQL command. Explain the purpose of the WITH CHECK OPTION in a CREATE VIEW SQL command.arrow_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 your create for the table?arrow_forward
- Which of the following functions can be used to include NULL values in calculations? (refer to the tables in the JustLee Books database.)a. SUMb. NVLc. MAXd. MINarrow_forwardPLZ help with the following question USE ORACLE SQL or SQL LIVE Create an Oracle sequence to generate values for volunteer numbers. The sequence should startwith 9000 and increment by 10. Do not cache any values. The databse: CREATE TABLE Packinglist( List_ID INT NOT NULL, Name VARCHAR(50), Description VARCHAR(100), PRIMARY KEY(List_ID)); CREATE TABLE Task( Task_Code INT NOT NULL, List_ID INT, Task_Description VARCHAR(100), Type VARCHAR(30), Status VARCHAR(20), PRIMARY KEY(Task_Code), FOREIGN KEY(List_ID) REFERENCES Packinglist(List_ID)); CREATE TABLE Volunteer( Vol_ID INT NOT NULL, Name VARCHAR(50), Telephone NUMBER, Address VARCHAR(100), PRIMARY KEY(Vol_ID)); CREATE TABLE Assignment( Vol_ID INT, Task_Code INT, Start_Time TIME, End_Time TIME, PRIMARY KEY(Vol_ID, Task_Code), FOREIGN KEY(Vol_ID) REFERENCES Volunteer(Vol_ID), FOREIGN KEY(Task_Code) REFERENCES Task(Task_Code)); CREATE TABLE Package( Pack_ID INT NOT NULL, Task_Code…arrow_forwardWhat is an index in SQL? Also write it's syntax.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781305627482Author:Carlos Coronel, Steven MorrisPublisher:Cengage Learning
Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781285196145Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos CoronelPublisher:Cengage Learning
A Guide to SQLComputer ScienceISBN:9781111527273Author:Philip J. PrattPublisher:Course Technology Ptr
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Cengage Learning
A Guide to SQL
Computer Science
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Course Technology Ptr
SQL Basics for Beginners | Learn SQL | SQL Tutorial for Beginners | Edureka; Author: edureka;https://www.youtube.com/watch?v=zbMHLJ0dY4w;License: Standard YouTube License, CC-BY