Articles for CIW Database Specialist 1D0-441
Database Modeling
Database creation emphasizes on three phases or models: Conceptual, Logical, and Physical. To create a well-defined database, one must be able to create these three phases successfully. If there is a flaw in any of these phases, then implementation of the database will not be successful.
The......
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Database Normalization
A database plays a very important role in any business. All organizations, whether big or small, keep records of their business activities. A database is a systematic representation of data. Data is organized in the form of rows and columns so that it can be searched and accessed easily.......
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Database Transaction and Security
First of all, we need to understand what is a transaction in a database ? and how does it affect the database?
A transaction is a group of actions such as insert, update, and delete performed on the database to change the state of a database. After a transaction is performed......
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JDBC
The introduction of the Java language is required before introducing the concept of JDBC. Java is an object-oriented programming language. It incorporates all the objected-oriented concepts such as polymorphism, abstraction, encapsulation, etc. Java is a platform independent language because it......
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Relational Algebra
Algebra is a formal structure, which consists of sets, and operations performed on these sets. Relational algebra is a formal structure for manipulating relations. There are various relational operators for manipulating relations. These operators take two tables, perform the operation, and......
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Skills required for CIW 1D0-441
CIW stands for Certified Internet Webmaster. The exam 1D0-441 aims at testing the knowledge of individuals in a database. The exam objectives include planning and designing of a relational database, relational algebra, and JDBC API to connect to a relational database.
Following skills are......
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Things to Practice for CIW 1D0-441
The 1D0-441 Database Specialist exam is designed for all those who are interested in database applications and want to make a career in databases. After passing this certification exam, an individual is also eligible to take up the following two more exams: CIW Certified Instructor: It is meant......
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What are aggregate functions?
Aggregate functions are used to perform mathematical computations on a single or a range of values. SQL provides some aggregate functions that allow the user to compare the values in a database. The table below provides a summary of the aggregate functions:
Function Detail SUM......
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What are derived data?
Derived data are values that have been obtained by performing some calculations on database values. For example, a table contains Hours and Wages per hour as attributes. In order to find out the total wages of each worker, the following calculation has to be performed to obtain the total wages:......
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What are stored procedures?
Stored procedures are precompiled SQL routines that are stored on a database server. They are a combination of multiple SQL statements that form a logical unit and perform a particular task.
Stored procedures provide the capability of combining multiple SQL statements and improve speed due to......
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1D0-441 PrepKit at a Glance
| Includes | Free | Buy |
|---|---|---|
| Version | 8.01.05 | |
| Practice Tests | 1 | 4 |
| 30 | 280 | |
| Quiz | 15 | 130 |
| Final Test | No | Yes |
| Articles, How Tos.., Tips | Yes | Yes |
| Study Notes | 10 | 81 |
Tips and How Tos for 1D0-441 exam
