Query & Optimization
Welcome to the comprehensive guide for querying and optimizing data in Tacnode. This section covers everything from basic data operations to advanced features like vector search, full-text search, and time travel queries.
What You'll Learn
📚 Complete Guide Contents
Core Operations
- Data Operations - Essential SELECT, INSERT, UPDATE, and DELETE operations with examples
- Grouping Sets, Rollup, and Cube - Advanced grouping techniques for multi-dimensional analysis
Search Capabilities
- Full Text Search - Implement powerful text search capabilities across your data
- Vector Search - Leverage AI-powered semantic search with vector embeddings
- PostGIS - Work with geospatial data using PostGIS extensions
Advanced Features
- User-Defined Functions - Create custom functions using PL/Python and PL/pgSQL
- Time Travel - Query historical data states for analysis and recovery
- Approximate Computing - Achieve faster analytics with controlled accuracy trade-offs
Performance Tuning
- Query Tuning - Diagnose performance issues and optimize query execution
- SQL Statement Analysis - Monitor query performance with pg_stat_statements
- SQL Hints - Fine-tune query execution plans with pg_hint_plan
🚀 Getting Started
If you're new to Tacnode, we recommend starting with Data Operations to understand the fundamentals, then exploring the advanced features based on your specific use cases.
Quick Navigation by Use Case
📊 Analytics & Reporting
- Start with Grouping Sets, Rollup, and Cube for complex aggregations
- Use Approximate Computing for faster results on large datasets
- Implement Time Travel for historical analysis
🔍 Search & Discovery
- Explore Full Text Search for traditional text search
- Try Vector Search for AI-powered semantic search
- Use PostGIS for location-based search
⚡ Performance Optimization
- Begin with Query Tuning for systematic optimization
- Monitor with SQL Statement Analysis for insights
- Fine-tune with SQL Hints for specific query plans
🛠️ Custom Development
- Create User-Defined Functions for custom business logic
- Leverage specialized data types and operations for your domain
Data Query, Update and Delete
Master essential data operations in Tacnode including SELECT, INSERT, UPDATE, DELETE, MERGE, TRUNCATE, and VIEW commands with practical examples.
Full Text Search
Complete guide to implementing full-text search in Tacnode using trigram matching, tsvector, tsquery, and ranking functions.
Vector Search
Complete guide to implementing vector search in Tacnode using IVFFlat and HNSW indexes for efficient similarity search and retrieval.
Grouping Sets, Rollup, and Cube
Master advanced SQL grouping capabilities in TacNode with GROUPING SETS, ROLLUP, and CUBE for multi-dimensional data analysis and reporting.
Time Travel
Discover Tacnode's Time Travel feature to easily query historical data and enhance your analysis with our comprehensive guide.
Approximate Computing
Learn how to perform approximate computing queries in Tacnode to achieve faster and resource-efficient data analysis with step-by-step guidance.
PostGIS
Complete guide to geospatial data analysis in Tacnode using PostGIS extension for spatial queries, geometric operations, and location-based analytics.
Query Tuning
Complete guide to diagnosing slow queries and optimizing performance in Tacnode with monitoring tools, execution plans, and tuning strategies.
SQL Statement Analysis
Monitor and analyze SQL query performance in Tacnode using the pg_stat_statements extension for database optimization and performance tuning.
SQL Hints
Master query optimization in Tacnode using pg_hint_plan extension for custom execution plans, join control, and performance tuning.
User-Defined Functions (UDF) Management
Comprehensive guide to creating, managing, and deploying custom functions in TacNode using PL/Python and PL/pgSQL for advanced data processing capabilities.