Database Design and Modeling

  1. Physical Database Design
    1. Physical Design Objectives
      1. Performance Optimization
        1. Storage Efficiency
          1. Access Path Selection
            1. Resource Utilization
            2. Storage Structures
              1. File Organization Methods
                1. Heap Files
                  1. Unordered Storage
                    1. Simple Implementation
                      1. Sequential Access
                      2. Sequential Files
                        1. Ordered Storage
                          1. Sorted Access
                            1. Range Queries
                            2. Indexed Files
                              1. Direct Access
                                1. Multiple Access Paths
                                2. Hashed Files
                                  1. Key-Based Access
                                    1. Uniform Distribution
                                      1. Hash Functions
                                    2. Record Formats
                                      1. Fixed-Length Records
                                        1. Variable-Length Records
                                          1. Record Clustering
                                          2. Block and Page Management
                                            1. Buffer Management
                                              1. Page Replacement Policies
                                                1. Block Size Considerations
                                              2. Indexing Strategies
                                                1. Index Fundamentals
                                                  1. Purpose and Benefits
                                                    1. Access Path Optimization
                                                      1. Query Performance Impact
                                                      2. Index Types
                                                        1. Primary Indexes
                                                          1. Clustered Organization
                                                            1. Physical Ordering
                                                            2. Secondary Indexes
                                                              1. Non-Clustered Organization
                                                                1. Logical Ordering
                                                                2. Dense vs Sparse Indexes
                                                                  1. Coverage Differences
                                                                    1. Storage Trade-offs
                                                                  2. Index Structures
                                                                    1. B-Tree Indexes
                                                                      1. Balanced Tree Structure
                                                                        1. Range Query Support
                                                                          1. Maintenance Operations
                                                                          2. B+ Tree Indexes
                                                                            1. Leaf Node Linking
                                                                              1. Sequential Access
                                                                                1. Most Common Type
                                                                                2. Hash Indexes
                                                                                  1. Equality Searches
                                                                                    1. Fast Access
                                                                                      1. Limited Range Support
                                                                                      2. Bitmap Indexes
                                                                                        1. Low Cardinality Data
                                                                                          1. Boolean Operations
                                                                                            1. Data Warehouse Use
                                                                                          2. Multi-Column Indexes
                                                                                            1. Composite Indexes
                                                                                              1. Column Order Importance
                                                                                                1. Partial Index Usage
                                                                                                2. Index Selection Guidelines
                                                                                                  1. Query Pattern Analysis
                                                                                                    1. Selectivity Considerations
                                                                                                      1. Maintenance Overhead
                                                                                                        1. Storage Requirements
                                                                                                      2. Data Types and Storage
                                                                                                        1. Numeric Data Types
                                                                                                          1. Integer Types
                                                                                                            1. TINYINT
                                                                                                              1. SMALLINT
                                                                                                                1. INT
                                                                                                                  1. BIGINT
                                                                                                                  2. Floating Point Types
                                                                                                                    1. FLOAT
                                                                                                                      1. DOUBLE
                                                                                                                        1. Precision Considerations
                                                                                                                        2. Decimal Types
                                                                                                                          1. DECIMAL
                                                                                                                            1. NUMERIC
                                                                                                                              1. Fixed-Point Arithmetic
                                                                                                                            2. Character Data Types
                                                                                                                              1. Fixed-Length Strings
                                                                                                                                1. CHAR
                                                                                                                                  1. Storage Padding
                                                                                                                                  2. Variable-Length Strings
                                                                                                                                    1. VARCHAR
                                                                                                                                      1. Storage Efficiency
                                                                                                                                      2. Text Types
                                                                                                                                        1. TEXT
                                                                                                                                          1. CLOB
                                                                                                                                            1. Large String Storage
                                                                                                                                            2. Unicode Support
                                                                                                                                              1. Character Set Considerations
                                                                                                                                                1. Collation Rules
                                                                                                                                              2. Date and Time Types
                                                                                                                                                1. DATE
                                                                                                                                                  1. TIME
                                                                                                                                                    1. DATETIME
                                                                                                                                                      1. TIMESTAMP
                                                                                                                                                        1. Time Zone Handling
                                                                                                                                                        2. Binary Data Types
                                                                                                                                                          1. BINARY
                                                                                                                                                            1. VARBINARY
                                                                                                                                                              1. BLOB
                                                                                                                                                                1. Large Object Storage
                                                                                                                                                                2. Specialized Types
                                                                                                                                                                  1. Boolean
                                                                                                                                                                    1. JSON
                                                                                                                                                                      1. XML
                                                                                                                                                                        1. Spatial Types
                                                                                                                                                                      2. Table Partitioning
                                                                                                                                                                        1. Partitioning Benefits
                                                                                                                                                                          1. Performance Improvement
                                                                                                                                                                            1. Maintenance Efficiency
                                                                                                                                                                              1. Parallel Processing
                                                                                                                                                                              2. Partitioning Methods
                                                                                                                                                                                1. Range Partitioning
                                                                                                                                                                                  1. Date Ranges
                                                                                                                                                                                    1. Numeric Ranges
                                                                                                                                                                                      1. Partition Pruning
                                                                                                                                                                                      2. List Partitioning
                                                                                                                                                                                        1. Discrete Values
                                                                                                                                                                                          1. Category-Based
                                                                                                                                                                                          2. Hash Partitioning
                                                                                                                                                                                            1. Even Distribution
                                                                                                                                                                                              1. Load Balancing
                                                                                                                                                                                              2. Composite Partitioning
                                                                                                                                                                                                1. Multiple Methods
                                                                                                                                                                                                  1. Sub-Partitioning
                                                                                                                                                                                                2. Partition Management
                                                                                                                                                                                                  1. Adding Partitions
                                                                                                                                                                                                    1. Dropping Partitions
                                                                                                                                                                                                      1. Partition Maintenance
                                                                                                                                                                                                    2. Views and Materialized Views
                                                                                                                                                                                                      1. View Concepts
                                                                                                                                                                                                        1. Virtual Tables
                                                                                                                                                                                                          1. Query Abstraction
                                                                                                                                                                                                            1. Security Benefits
                                                                                                                                                                                                            2. View Types
                                                                                                                                                                                                              1. Simple Views
                                                                                                                                                                                                                1. Complex Views
                                                                                                                                                                                                                  1. Updatable Views
                                                                                                                                                                                                                    1. Read-Only Views
                                                                                                                                                                                                                    2. Materialized Views
                                                                                                                                                                                                                      1. Physical Storage
                                                                                                                                                                                                                        1. Query Performance
                                                                                                                                                                                                                          1. Refresh Strategies
                                                                                                                                                                                                                            1. Complete Refresh
                                                                                                                                                                                                                              1. Incremental Refresh
                                                                                                                                                                                                                                1. On-Demand Refresh
                                                                                                                                                                                                                                  1. Automatic Refresh
                                                                                                                                                                                                                                2. View Optimization
                                                                                                                                                                                                                                  1. Query Rewriting
                                                                                                                                                                                                                                    1. View Merging
                                                                                                                                                                                                                                      1. Predicate Pushdown