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        1、培訓過程中，如有部分內容理解不透或消化不好，可免費在以后培訓班中重聽；
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• Introduction to PostgreSQL
  A Brief History of PostgreSQL
  Features
  Internals Summary
  Limits and Terminology
  Installation and Configuration
  Pre-requisites
  Installation from Packages and Creating Database
  Installation from Source Code
  Client Installation
  Starting and Stopping a Database Server
  Environment Setup
  The SQL Language
  SQL Syntax
  Data Definition
  Data Manipulation
  Queries
  Data Types
  JSON
  Functions and Operators
  Type Conversion
  Indexes
  Transactions and Concurrency
  Transactions and Isolation
  Multi-Version Concurrency Control
  Client Interfaces
  Command Line Interface - psql
  Graphical Interface - pgadmin4
  Server Programming
  Extending SQL
  Triggers
  The Rule System
  Procedural Languages
  PL/pgSQL - SQL Procedural Language
  Error Handling
  Cursors
  Foreign Data Wrappers
  Extension in PostgreSQL
  Adding FDW in a Database
  postgres_fdw
  file_fdw
  Other FDWs
  SQL Tuning
  Logging in PostgreSQL
  Query Plans
  Optimizing Queries
  Statistics
  Planner Parameters
  Parallel Query Scans
  SQL Best Practices
  Indexes
  Table Partitioning