PostgreSQL Database Development

# Postgresql Advanced

This document provides comprehensive guidelines for postgresql advanced development and best practices.

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## Database Design

1. **Normalization**
   - Normalization and denormalization strategies
   - Implement proper normalization and denormalization strategies
   - Follow best practices for optimal results

2. **Entity-relationship**
   - Entity-relationship modeling
   - Implement proper entity-relationship modeling
   - Follow best practices for optimal results

3. **Primary**
   - Primary and foreign key constraints
   - Implement proper primary and foreign key constraints
   - Follow best practices for optimal results

4. **Check**
   - Check constraints and business rules
   - Implement proper check constraints and business rules
   - Follow best practices for optimal results

5. **Proper**
   - Proper data type selection
   - Implement proper proper data type selection
   - Follow best practices for optimal results

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## Advanced SQL

6. **Window**
   - Window functions for analytical queries
   - Implement proper window functions for analytical queries
   - Follow best practices for optimal results

7. **Common**
   - Common Table Expressions (CTEs)
   - Implement proper common table expressions (ctes)
   - Follow best practices for optimal results

8. **Recursive**
   - Recursive queries
   - Implement proper recursive queries
   - Follow best practices for optimal results

9. **JSONB**
   - JSONB operations and indexing
   - Implement proper jsonb operations and indexing
   - Follow best practices for optimal results

10. **Full-text**
   - Full-text search capabilities
   - Implement proper full-text search capabilities
   - Follow best practices for optimal results

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## Indexing Strategies

11. **B-tree**
   - B-tree indexes for standard queries
   - Implement proper b-tree indexes for standard queries
   - Follow best practices for optimal results

12. **GIN**
   - GIN indexes for arrays and JSONB
   - Implement proper gin indexes for arrays and jsonb
   - Follow best practices for optimal results

13. **GiST**
   - GiST indexes for geometric data
   - Implement proper gist indexes for geometric data
   - Follow best practices for optimal results

14. **Partial**
   - Partial indexes for filtered data
   - Implement proper partial indexes for filtered data
   - Follow best practices for optimal results

15. **Composite**
   - Composite indexes for multi-column queries
   - Implement proper composite indexes for multi-column queries
   - Follow best practices for optimal results

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## Performance Optimization

16. **Query**
   - Query plan analysis with EXPLAIN
   - Implement proper query plan analysis with explain
   - Follow best practices for optimal results

17. **Index**
   - Index usage and optimization
   - Implement proper index usage and optimization
   - Follow best practices for optimal results

18. **Table**
   - Table partitioning strategies
   - Implement proper table partitioning strategies
   - Follow best practices for optimal results

19. **Connection**
   - Connection pooling with PgBouncer
   - Implement proper connection pooling with pgbouncer
   - Follow best practices for optimal results

20. **Query**
   - Query optimization techniques
   - Implement proper query optimization techniques
   - Follow best practices for optimal results

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## Stored Procedures & Functions

21. **PL/pgSQL**
   - PL/pgSQL procedural language
   - Implement proper pl/pgsql procedural language
   - Follow best practices for optimal results

22. **Function**
   - Function creation and management
   - Implement proper function creation and management
   - Follow best practices for optimal results

23. **Triggers**
   - Triggers for data integrity
   - Implement proper triggers for data integrity
   - Follow best practices for optimal results

24. **Custom**
   - Custom aggregate functions
   - Implement proper custom aggregate functions
   - Follow best practices for optimal results

25. **Exception**
   - Exception handling
   - Implement proper exception handling
   - Follow best practices for optimal results

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## Data Types & Features

26. **JSONB**
   - JSONB for semi-structured data
   - Implement proper jsonb for semi-structured data
   - Follow best practices for optimal results

27. **Arrays**
   - Arrays for list data
   - Implement proper arrays for list data
   - Follow best practices for optimal results

28. **UUID**
   - UUID for unique identifiers
   - Implement proper uuid for unique identifiers
   - Follow best practices for optimal results

29. **Geometric**
   - Geometric types for spatial data
   - Implement proper geometric types for spatial data
   - Follow best practices for optimal results

30. **Custom**
   - Custom enumerated types
   - Implement proper custom enumerated types
   - Follow best practices for optimal results

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## Transactions & Concurrency

31. **ACID**
   - ACID properties understanding
   - Implement proper acid properties understanding
   - Follow best practices for optimal results

32. **Transaction**
   - Transaction isolation levels
   - Implement proper transaction isolation levels
   - Follow best practices for optimal results

33. **Deadlock**
   - Deadlock prevention and handling
   - Implement proper deadlock prevention and handling
   - Follow best practices for optimal results

34. **Row-level**
   - Row-level locking strategies
   - Implement proper row-level locking strategies
   - Follow best practices for optimal results

35. **Optimistic**
   - Optimistic vs pessimistic locking
   - Implement proper optimistic vs pessimistic locking
   - Follow best practices for optimal results

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## Backup & Recovery

36. **pg_dump**
   - pg_dump for logical backups
   - Implement proper pg_dump for logical backups
   - Follow best practices for optimal results

37. **Continuous**
   - Continuous archiving with WAL
   - Implement proper continuous archiving with wal
   - Follow best practices for optimal results

38. **Point-in-time**
   - Point-in-time recovery (PITR)
   - Implement proper point-in-time recovery (pitr)
   - Follow best practices for optimal results

39. **Streaming**
   - Streaming replication setup
   - Implement proper streaming replication setup
   - Follow best practices for optimal results

40. **Backup**
   - Backup verification strategies
   - Implement proper backup verification strategies
   - Follow best practices for optimal results

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## Security

41. **Role-based**
   - Role-based access control
   - Implement proper role-based access control
   - Follow best practices for optimal results

42. **Row-level**
   - Row-level security policies
   - Implement proper row-level security policies
   - Follow best practices for optimal results

43. **SSL/TLS**
   - SSL/TLS encryption
   - Implement proper ssl/tls encryption
   - Follow best practices for optimal results

44. **Password**
   - Password authentication methods
   - Implement proper password authentication methods
   - Follow best practices for optimal results

45. **Audit**
   - Audit logging configuration
   - Implement proper audit logging configuration
   - Follow best practices for optimal results

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## High Availability

46. **Master-slave**
   - Master-slave replication
   - Implement proper master-slave replication
   - Follow best practices for optimal results

47. **Streaming**
   - Streaming replication
   - Implement proper streaming replication
   - Follow best practices for optimal results

48. **Logical**
   - Logical replication
   - Implement proper logical replication
   - Follow best practices for optimal results

49. **Connection**
   - Connection failover
   - Implement proper connection failover
   - Follow best practices for optimal results

50. **Load**
   - Load balancing strategies
   - Implement proper load balancing strategies
   - Follow best practices for optimal results

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## Administration

51. **Configuration**
   - Configuration tuning (postgresql.conf)
   - Implement proper configuration tuning (postgresql.conf)
   - Follow best practices for optimal results

52. **Memory**
   - Memory settings optimization
   - Implement proper memory settings optimization
   - Follow best practices for optimal results

53. **Monitoring**
   - Monitoring with pg_stat views
   - Implement proper monitoring with pg_stat views
   - Follow best practices for optimal results

54. **Log**
   - Log analysis and management
   - Implement proper log analysis and management
   - Follow best practices for optimal results

55. **Vacuum**
   - Vacuum and analyze operations
   - Implement proper vacuum and analyze operations
   - Follow best practices for optimal results

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## Advanced Features

56. **Materialized**
   - Materialized views for performance
   - Implement proper materialized views for performance
   - Follow best practices for optimal results

57. **Foreign**
   - Foreign data wrappers (FDW)
   - Implement proper foreign data wrappers (fdw)
   - Follow best practices for optimal results

58. **Table**
   - Table inheritance
   - Implement proper table inheritance
   - Follow best practices for optimal results

59. **Exclusion**
   - Exclusion constraints
   - Implement proper exclusion constraints
   - Follow best practices for optimal results

60. **Extensions**
   - Extensions and custom types
   - Implement proper extensions and custom types
   - Follow best practices for optimal results

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## Summary Checklist

- [ ] Core principles implemented
- [ ] Best practices followed
- [ ] Performance optimized
- [ ] Security measures in place
- [ ] Testing strategy implemented
- [ ] Documentation completed
- [ ] Monitoring configured
- [ ] Production deployment ready

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Follow these comprehensive guidelines for successful postgresql advanced implementation.