Indexes for Grade 12
Quiz
•
Other
•
10th Grade
•
Practice Problem
•
Easy
WestwoodPark School
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a B-tree index?
A B-tree index is a type of tree used in computer graphics.
A B-tree index is a data structure used for sorting data in a database.
A B-tree index is a data structure used to organize and retrieve data in a database.
A B-tree index is a method for compressing data in a database.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Hash index?
A hash index is a data structure used in computer science to quickly locate data in a database.
A hash index is a data structure used to store data in a database.
A hash index is a method used to sort data in a database.
A hash index is a type of encryption algorithm used to secure data in a database.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Bitmap index?
A Bitmap index is a data structure that uses a bitmap to represent the presence or absence of a value in a column of a database table.
A Bitmap index is a data structure that uses a hash table to represent the presence or absence of a value in a column of a database table.
A Bitmap index is a data structure that uses a linked list to represent the presence or absence of a value in a column of a database table.
A Bitmap index is a data structure that uses a binary tree to represent the presence or absence of a value in a column of a database table.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Clustered index?
A clustered index is a type of index in a database that determines the physical order of data in a table.
A clustered index is a type of index that is created automatically for every table in a database.
A clustered index is a type of index that only allows read operations on a table.
A clustered index is used to sort data in a table based on a non-unique column.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Non-clustered index?
A non-clustered index is a type of index that is used for sorting data in a database.
A non-clustered index is a separate structure that contains a sorted list of key values and a pointer to the location of the actual data.
A non-clustered index is a data structure that stores data in a random order.
A non-clustered index is a method used to organize data in a database by grouping similar items together.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which index is commonly used in relational databases?
Hash index
Bitmap index
Clustered index
B-tree index
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which index is best for equality searches?
hash index
b-tree index
bitmap index
clustered index
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