Database Normalization |
Database Normalization #1 - 1NF |
Easy |
5 |
Problem |
Solution |
Database Normalization |
Database Normalization #2 - 1/2/3 NF |
Easy |
5 |
Problem |
Solution |
Database Normalization |
Database Normalization #3 |
Hard |
5 |
Problem |
Solution |
Database Normalization |
Database Normalization #4 |
Medium |
5 |
Problem |
Solution |
Database Normalization |
Database Normalization #5 |
Medium |
5 |
Problem |
Solution |
Database Normalization |
Database Normalization #6 |
Medium |
5 |
Problem |
Solution |
Database Normalization |
Database Normalization #7 |
Medium |
5 |
Problem |
Solution |
Database Normalization |
Database Normalization #8 |
Medium |
5 |
Problem |
Solution |
Database Normalization |
Database Normalization #9 |
Hard |
5 |
Problem |
Solution |
Database Normalization |
Database Normalization #10 |
Medium |
5 |
Problem |
Solution |
Indexes |
Index Architecture Types |
Multiple Choice Question |
2 |
Problem |
Solution |
Indexes |
Indexes - 2 |
Multiple Choice Question |
2 |
Problem |
Solution |
Indexes |
Indexes - 3 |
Multiple Choice Question |
2 |
Problem |
Solution |
Indexes |
Indexes - 4 |
Multiple Choice Question |
2 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Map Reduce Advanced - Count number of friends |
Hard |
30 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Map Reduce Advanced - Matrix Multiplication |
Hard |
50 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Map Reduce Advanced - Relational Join |
Hard |
40 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Querying XML Datastores with XPath - 1 |
Easy |
10 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Querying XML Datastores with XPath - 2 |
Easy |
10 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Querying XML Datastores with XPath - 3 |
Easy |
15 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Querying XML Datastores with XPath - 4 |
Easy |
15 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Querying XML Datastores with XPath - 5 |
Easy |
15 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Querying XML Datastores with XPath - 6 |
Easy |
15 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Querying XML Datastores with XPath - 7 |
Easy |
20 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Querying XML Datastores with XPath - 8 |
Medium |
15 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Querying XML Datastores with XPath - 9 |
Hard |
15 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Querying XML Datastores with XPath - 10 |
Medium |
15 |
Problem |
Solution |
NoSQL - XML, MapReduce |
Querying XML Datastores with XPath - 11 |
Medium |
15 |
Problem |
Solution |
OLAP |
OLAP Cube Metadata |
Multiple Choice Question |
5 |
Problem |
Solution |
OLAP |
OLAP Names |
Multiple Choice Question |
5 |
Problem |
Solution |
OLAP |
OLAP Operation Types |
Multiple Choice Question |
5 |
Problem |
Solution |
OLAP |
OLAP Operations - 1 |
Multiple Choice Question |
5 |
Problem |
Solution |
OLAP |
OLAP Operations - 2 |
Multiple Choice Question |
5 |
Problem |
Solution |
OLAP |
OLAP Performance |
Multiple Choice Question |
5 |
Problem |
Solution |
OLAP |
The Total View |
Multiple Choice Question |
5 |
Problem |
Solution |
Relational Algebra |
Basics of Sets and Relations #1 |
Easy |
5 |
Problem |
Solution |
Relational Algebra |
Basics of Sets and Relations #2 |
Easy |
5 |
Problem |
Solution |
Relational Algebra |
Basics of Sets and Relations #3 |
Easy |
5 |
Problem |
Solution |
Relational Algebra |
Basics of Sets and Relations #4 |
Easy |
5 |
Problem |
Solution |
Relational Algebra |
Basics of Sets and Relations #5 |
Easy |
5 |
Problem |
Solution |
Relational Algebra |
Basics of Sets and Relations #6 |
Easy |
5 |
Problem |
Solution |
Relational Algebra |
Basics of Sets and Relations #7 |
Easy |
5 |
Problem |
Solution |
Relational Algebra |
Database Query Languages |
Multiple Choice Question |
2 |
Problem |
Solution |
Relational Algebra |
Procedural Languag |
Multiple Choice Question |
2 |
Problem |
Solution |
Relational Algebra |
Relational Algebra - 3 |
Multiple Choice Question |
2 |
Problem |
Solution |
Relational Algebra |
Relational Algebra - 4 |
Multiple Choice Question |
2 |
Problem |
Solution |
Relational Algebra |
Relations - 1 |
Multiple Choice Question |
2 |
Problem |
Solution |
Relational Algebra |
Relations - 2 |
Multiple Choice Question |
2 |
Problem |
Solution |
Set and Algebra |
Databases - Differences |
Medium |
5 |
Problem |
Solution |
Set and Algebra |
Databases - Natural Joins |
Medium |
5 |
Problem |
Solution |
Set and Algebra |
Databases - Keys |
Medium |
5 |
Problem |
Solution |
Set and Algebra |
Databases - Relational Calculus |
Medium |
5 |
Problem |
Solution |