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Questions and Answers
Which file is used to store information that remains constant for a long time
Which file is used to store information that remains constant for a long time
In 2NF which form of dependency is removed
In 2NF which form of dependency is removed
Which of the following is a valid character constant
Which of the following is a valid character constant
the output of a query is in form of a
the output of a query is in form of a
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which of the following is used to associate entities with one another
which of the following is used to associate entities with one another
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An attribute is also known as
An attribute is also known as
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what is tge variable that is used by a function to receive an argument
what is tge variable that is used by a function to receive an argument
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which of the following is used to write a character to a file
which of the following is used to write a character to a file
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To find all names start with M from student table, the criteria is
To find all names start with M from student table, the criteria is
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in which loop statement terminator is a part of its syntax
in which loop statement terminator is a part of its syntax
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Study Notes
Database Fundamentals
- A file used to store information that remains constant for a long time is a database file.
Normalization
- In 2NF (Second Normal Form), partial dependency is removed.
Character Constants
- A valid character constant is enclosed in single quotes.
Query Output
- The output of a query is in the form of a table.
Entity Relationships
- Foreign keys are used to associate entities with one another.
Attributes
- An attribute is also known as a column.
Functions
- The variable that is used by a function to receive an argument is a parameter.
File Operations
- fputc is used to write a character to a file.
Query Criteria
- To find all names starting with M from the student table, the criteria is "WHERE name LIKE 'M%'".
Loop Statements
- In a do-while loop, the terminator is a part of its syntax.
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Description
Test your understanding of database normalization by answering this question about 2NF. Learn what type of dependency is removed in 2NF and improve your database design skills.
