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CHAPTER 2 Exploring Relational Database Components
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Logical/Physical Database
Design Components
The logical database design ... Deleting database objects
c. Adding new database objects
d. Adding data items to existing database objects
e. Deleting data items from existing database objects
CHAPTER 1 Database...
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... row are called aggregate functions. The following table shows
aggregate functions that are commonly used in relational databases:
Function Name Description
AVG Calculates the average value for a ... printer profile
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beauty of relational databases is that we need n...
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... redundant data in tables
•
Storing summarized data in tables
Note also that normalization is intended to remove anomalies from databases that
are used for online transaction-processing systems. Databases ... Databases that store historical
data used solely for analytical purposes are not as subject to insert, update, and de
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lete anomalies. Chapter 12 contains more information on dat...
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... Final Exam 325
Chapter 1 325
Chapter 2 325
Chapter 3 326
Chapter 4 326
Chapter 5 326
Chapter 6 326
Chapter 7 326
Chapter 8 327
Chapter 9 327
Chapter 10 327
Chapter 11 327
Chapter 12 327
Index 329
CONTENTS
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Tuesday, ... models, a brief his
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tory of databases, and the rationale for focusing on the relational model.
Properties of a Database...
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... that ends every SQL statement.
In Oracle, a transaction is automatically started for each database user session as soon
as the user connects to the database. At any time, the database user can ... table’s data.
The ALTER TABLE Statement
The ALTER TABLE statement may be used to change many aspects of the definition
of a database table. Again, there is a wide variation in implementation a...
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... profile
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The Data Flow Diagram
The data flow diagram (DFD) is the most data centric of all the ... profile
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11. The basic components of a f...
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8. View names:
a. May be identical to one of the table ... several proprietary XML databases
on the market. However, businesses have been reluctant to abandon relational data
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bases and undergo a major paradigm shift in the way they o...
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... even to a different version of the same vendor’s database).
Connecting Databases to Java Applications
Java started as a proprietary programming language (originally named Oak) that was
developed ... that
binds the API to the particular database and platform, and a definition known as the
ODBC data source contains the information necessary for a particular application to
connect with...
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CHAPTER 12 Databases for Online Analytical Processing
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Data Marts
A data mart is a subset of a data warehouse ... Default screen
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Here are some reasons for creating a...
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J
Java applications, connecting databases to,
24 1 24 2
Java Database Connectivity, 24 1 24 2
Java Relational Binding, 24 2
Java SQL, 24 2
JDBC, 24 1 24 2
joining, 14
inner joins, 72 74, ... privilege examples, 26 4
transaction support in, 27 7 27 8
middleware, 24 2
minimum cardinality, 28 , 183–184
model database, 26 1
models, database, 2
modules, 55
MOLAP datab...