Modern Database Management
13th Edition
ISBN: 9780134773650
Author: Hoffer
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 5.2RQ
Match the following terms to the appropriate definitions:
_____referential integrity constraint
_____SQL:2016
_____null value
_____scalar aggregate
_____
_____catalog
_____schema
_____host language
- list of values
- description of a
database - missing or nonexistent value
- descriptions of database objects of a database
programming language in which SQL commands are embedded- established in relational data models by use of foreign keys
- current standard for relational query and definition language
- single value
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One of the junior database developers has encountered some errors in a query they are working on.
The junior developer has requested some assistance from you to solve their errors.
Consider the following PL/SQL query:
turn serveroutput ondeclaring cust customer.first_name%Type;prod product.product%Type;cursor info isselect cust.first_name || ', ' || cust.surname CUSTOMER, p.productfrom customer cust, billing b, product_billing pb, product pwhere cust.customer_id = b.customer_idwhere b.bill_id = pb.bill_idand p.product_id = pb.product_idand p.price > 10000ordering by p.price;beginsfor rec in infoloopingcust:= rec.CUSTOMER;prod:= rec.product; dbms_output.put_line('CUSTOMER: ' || cust || chr(13) || 'PRODUCT: ' || prod);dbms_output.put_line('------------------------------------');end loop;end;
Q.2.1 The code above has errors. Identify the errors and rewrite the code so that it would produce a valid output for the junior database developer.
This assignment is aimed at building an understanding of how to improve performance within databases by taking advantage the computers hardware by modifying MS SQL settings
Prerequisites:
Completion of Assignment 1B, reading of Module Readings and Slides.
Run the following query to understand how much Memory is currently in use in the database:
SELECT
physical_memory_in_use_kb/1024 AS sql_physical_memory_in_use_MB,
large_page_allocations_kb/1024 AS sql_large_page_allocations_MB,
locked_page_allocations_kb/1024 AS sql_locked_page_allocations_MB,
virtual_address_space_reserved_kb/1024 AS sql_VAS_reserved_MB,
virtual_address_space_committed_kb/1024 AS sql_VAS_committed_MB,
virtual_address_space_available_kb/1024 AS sql_VAS_available_MB,
page_fault_count AS sql_page_fault_count,
memory_utilization_percentage AS sql_memory_utilization_percentage,
process_physical_memory_low AS sql_process_physical_memory_low,
process_virtual_memory_low AS…
Hey experts, please help me out on this :( xx
Sample database:
For all the implemented tasks, your report or output must include a listing of all PL/SQL statements processed. To achieve that put the following SQL*Plus commands in all your scripts:SPOOL file-nameSET ECHO ONSET FEEDBACK ONSET LINESIZE 100SET PAGESIZE 200SET SERVEROUTPUT ONat the beginning of SQL script andSPOOL OFFat the end of SQL script.
Chapter 5 Solutions
Modern Database Management
Ch. 5 - Define each of the following terms: data...Ch. 5 - Match the following terms to the appropriate...Ch. 5 - Prob. 5.3RQCh. 5 - Prob. 5.4RQCh. 5 - Prob. 5.5RQCh. 5 - Prob. 5.6RQCh. 5 - List six potential benefits of achieving an SQL...Ch. 5 - Prob. 5.8RQCh. 5 - Distinguish among data definition commands, data...Ch. 5 - Prob. 5.10RQ
Ch. 5 - Prob. 5.11RQCh. 5 - Explain the purpose of indexing in database...Ch. 5 - What are the potential consequence of...Ch. 5 - Prob. 5.14RQCh. 5 - Explain and provide at least one example Of how to...Ch. 5 - Prob. 5.16RQCh. 5 - What is the difference between COUNT, COUNT...Ch. 5 - What is the evaluation order for the Boolean...Ch. 5 - If an SQL statement includes a GROUP BY clause,...Ch. 5 - Prob. 5.20RQCh. 5 - Prob. 5.21RQCh. 5 - Prob. 5.22RQCh. 5 - Explain why SQL is called a set-oriented language.Ch. 5 - When would the use of the LIKE key word with the...Ch. 5 - Prob. 5.25RQCh. 5 - Prob. 5.26RQCh. 5 - In what order are the clauses of an SQL statement...Ch. 5 - Within which clauses of an SQL statement can a...Ch. 5 - Prob. 5.29RQCh. 5 - Prob. 5.30RQCh. 5 - Prob. 5.31RQCh. 5 - Explain the difference between the WHERE and...Ch. 5 - Prob. 5.33RQCh. 5 - Write a database description for each of the...Ch. 5 - Analyze the database to determine whether or not...Ch. 5 - Prob. 5.36PAECh. 5 - To enforce referential integrity, before any row...Ch. 5 - Write SQL data definition commands for each of the...Ch. 5 - Write SQL commands for the following: Create two...Ch. 5 - Write SQL queries to answer the following...Ch. 5 - Write SQL queries to answer the following...Ch. 5 - Write SQL queries to answer the following...Ch. 5 - Write SQL queries to answer the following...Ch. 5 - Prob. 5.44PAECh. 5 - Prob. 5.45PAECh. 5 - Prob. 5.46PAECh. 5 - What is the average Read score for all students?...Ch. 5 - Prob. 5.48PAECh. 5 - What are the TutorIDs for tutors who have not yet...Ch. 5 - Prob. 5.50PAECh. 5 - Prob. 5.51PAECh. 5 - Prob. 5.52PAECh. 5 - Prob. 5.53PAECh. 5 - Prob. 5.54PAECh. 5 - How many tutors have an Active status in the...Ch. 5 - Prob. 5.56PAECh. 5 - Modify the Product_T table by adding an attribute...Ch. 5 - Enter sample data of your own choosing into...Ch. 5 - Add an order to the Order_T table and include a...Ch. 5 - Use the Pine Valley database to answer the...Ch. 5 - Prob. 5.61PAECh. 5 - Prob. 5.62PAECh. 5 - Prob. 5.63PAECh. 5 - Prob. 5.64PAECh. 5 - Prob. 5.65PAECh. 5 - Prob. 5.66PAECh. 5 - Prob. 5.67PAECh. 5 - Modify query in P&E 5-67 by considering only those...Ch. 5 - Prob. 5.69PAECh. 5 - Prob. 5.70PAECh. 5 - Prob. 5.71PAECh. 5 - Prob. 5.72PAECh. 5 - Prob. 5.73PAECh. 5 - Prob. 5.74PAECh. 5 - Prob. 5.75PAECh. 5 - Prob. 5.76PAECh. 5 - Prob. 5.77PAECh. 5 - Assume that for those materials the ID of which...Ch. 5 - Prob. 5.79PAECh. 5 - Prob. 5.80PAECh. 5 - Prob. 5.81PAECh. 5 - Prob. 5.82PAECh. 5 - Prob. 5.83PAECh. 5 - Prob. 5.84PAECh. 5 - Prob. 5.85PAECh. 5 - Prob. 5.86PAECh. 5 - Prob. 5.87PAECh. 5 - Prob. 5.88PAECh. 5 - Prob. 5.89PAECh. 5 - Prob. 5.90PAECh. 5 - Prob. 5.91PAECh. 5 - Prob. 5.92PAECh. 5 - Prob. 5.93PAE
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