B-tree index, hash index, bitmap index

Database Indexing Strategies

Optimize query performance through strategic index design and implementation

Interactive Index simulator

Experiment with different index types and see how they affect query performance in real-time.

Sample Data Table: employees
ID Name Department Salary Age City
Current Indexes:
No indexes created

Index Visualization

B-Tree
Hash
Bitmap
Composite
B-Tree Index Structure
3x

Query Performance Tester

Build Your Query
SELECT * FROM employees WHERE id = 123;

Performance Comparison

Practice Scenarios

Choose a scenario to practice indexing strategies:

Indexing Strategies Quiz

Which index type is best for exact match queries on primary keys?
  • A) B-Tree Index
  • B) Hash Index
  • C) Bitmap Index
  • D) Composite Index

Index Statistics

1000
Total Rows
0
Indexes
-
Avg Query Time
0 KB
Index Size

Index Types Guide

ā€¢ Best for range queries
ā€¢ Supports ORDER BY
ā€¢ Balanced tree structure
ā€¢ General purpose
ā€¢ O(1) exact matches
ā€¢ No range queries
ā€¢ Perfect for primary keys
ā€¢ Memory efficient
ā€¢ Low zF4 columns
ā€¢ Excellent for AND/OR
ā€¢ Data warehousing
ā€¢ Compact storage

Performance Tips

šŸŽÆ Quick Tips:
ā€¢ Index frequently queried columns
ā€¢ Avoid over-indexing
ā€¢ Monitor index usage
ā€¢ Consider composite indexes
ā€¢ Regular maintenance required

Quick Actions

Related Topics

Query Optimization Performance Tuning Database Design

Index Performance Comparison

Index Type Exact Match Range Query Sorting Storage Maintenance Best Use Case
B-Tree Excellent Excellent Excellent Moderate Moderate General purpose, OLTP
Hash Excellent Poor Poor Low Low Exact lookups, primary keys
Bitmap Excellent Good Good Very Low High Low zF4, analytics
Composite Excellent Excellent Excellent High High Multi-column queries