Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 1, Problem 7P
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Data sources present in the given file structure:
- Employee data includes employee name, employee number like ID and mobile number.
- Project data includes its number, name, and time utilized. The project data cannot be determined using the Employee data...
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When you use the word "metadata," what precisely do you mean by that? The following is an explanation of what metadata is in the context of a data set: When may it be advantageous to make use of the metadata that has been taken from a result set?
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The particular indexing technique used is chosen by a variety of distinct parameters.
Chapter 1 Solutions
Database Systems: Design, Implementation, & Management
Ch. 1 - Prob. 1RQCh. 1 - Prob. 2RQCh. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - Prob. 5RQCh. 1 - Prob. 6RQCh. 1 - Prob. 7RQCh. 1 - Prob. 8RQCh. 1 - Prob. 9RQCh. 1 - Prob. 10RQ
Ch. 1 - Prob. 11RQCh. 1 - Prob. 12RQCh. 1 - Prob. 13RQCh. 1 - What are some basic database functions that a...Ch. 1 - Prob. 15RQCh. 1 - Prob. 16RQCh. 1 - Prob. 17RQCh. 1 - Prob. 1PCh. 1 - Prob. 3PCh. 1 - Prob. 4PCh. 1 - Prob. 5PCh. 1 - Prob. 6PCh. 1 - Prob. 7PCh. 1 - Prob. 8PCh. 1 - Prob. 9PCh. 1 - Prob. 10PCh. 1 - Using your schools student information system,...
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- Access path A database table is composed of records and fields hold data. Data is stored in records. A field is a part of a record and contains a single piece of data for the subject of the record. The access path for finding the list of books is AUTHOR: AuthorID, Lname BOOKAUTHOR: AuthorID, ISBN BOOKS: Pubdate, ISBNarrow_forward_______________ is a special purpose programming language for accessing and manipulating data stored in a relational database.arrow_forwardBizMic Multiples BizMic Multiples is an IT company that manages the Gauteng Province database system. In the past, they built a system that stores and accesses records of all the SA citizens in Gauteng Province in a direct access table. A direct access table involves the creation of a big array and uses phone numbers as an index in the array. As time goes on and the population continues to grow, it has now become very difficult to access a record from the traditional method. The system has now become very slow due to a large amount of records stored in it. The BizMic Multiples IT Company has consulted with an auditing firm who recommended a system that uses an array that stores pointers to records corresponding to a given record. This system, known as Hash Data Structures or simply Hash Table, is intended to improve on the existing system. As the lead IT intern at BizMic Multiples, your unit (you and your team members) is saddled with the responsibility of overseeing the success of the…arrow_forward
- When you say "metadata," what do you mean exactly? In the context of a data set, the following is a definition of metadata: When might it be helpful to use information pulled from a set of results?arrow_forwardIf you mention "metadata," what exactly do you mean? Within the context of a data set, metadata is defined as follows: When may it be useful to use metadata extracted from a result set?arrow_forward1. A language that provides a set of operations to support the basic data manipulation operations on the data held in the database is known as. a) DML b) DLD c)DLL d) DDLarrow_forward
- When would it be reasonable to make the assumption that two select statements drawn from the same database are consistent with one another? What type of circumstances would warrant such a reasonable assumption?arrow_forwardWhat is the primary purpose of an index in a database?arrow_forwardThe Database Technique is the preferred approach in the business sector nowadays when it comes to database construction. Take into account the following three justifications for why this approach is better than the File Approach:arrow_forward
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