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PostgreSQL Application Development

Build powerful database applications with PostgreSQL. Your dev career starts here!

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Intermediate

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PostgreSQL Application Development

4 Modules

Course Curriculum

4 Modules · 18 Chapters · 18 Topics · 172 Sub-topics

Introduction to PostgreSQL

1 Topics

Introduction to PostgreSQL

6 Sub-topics

What is PostgreSQL and Why Use It

Installing PostgreSQL on Different Platforms

Understanding PostgreSQL Architecture

Connecting to PostgreSQL Database

PostgreSQL Command-Line Tools (psql)

Understanding Databases, Schemas, and Tables

SQL Fundamentals - Data Definition Language (DDL)

1 Topics

SQL Fundamentals - Data Definition Language (DDL)

8 Sub-topics

Creating Databases and Schemas

CREATE TABLE Statement Basics

DROP and TRUNCATE Statements

ALTER TABLE - Adding Columns

ALTER TABLE - Modifying Columns

ALTER TABLE - Dropping Columns

RENAME Operations

Understanding Table Ownership

PostgreSQL Data Types

1 Topics

PostgreSQL Data Types

10 Sub-topics

Numeric Types - INTEGER, BIGINT, DECIMAL

Character Types - VARCHAR, CHAR, TEXT

Boolean Type

Date and Time Types - DATE, TIME, TIMESTAMP

UUID Type and Generation

ENUM Types - Creating Custom Types

Array Data Types

JSON and JSONB Types

Range Types

Choosing the Right Data Type

Basic Data Querying

1 Topics

Basic Data Querying

13 Sub-topics

SELECT Statement Structure

Selecting Specific Columns

Using Column Aliases

WHERE Clause Basics

Comparison Operators

Logical Operators - AND, OR, NOT

IN and NOT IN Operators

BETWEEN Operator

LIKE and ILIKE Pattern Matching

IS NULL and IS NOT NULL

DISTINCT Keyword

ORDER BY Clause - ASC and DESC

LIMIT and OFFSET for Pagination

Data Manipulation Language (DML)

1 Topics

Data Manipulation Language (DML)

10 Sub-topics

INSERT Statement - Single Row

INSERT Statement - Multiple Rows

INSERT with SELECT

UPDATE Statement Basics

UPDATE with Conditions

UPDATE with Joins

DELETE Statement

DELETE with Conditions

RETURNING Clause

UPSERT - INSERT ON CONFLICT

Constraints

1 Topics

Constraints

10 Sub-topics

PRIMARY KEY Constraint

FOREIGN KEY Constraint

UNIQUE Constraint

NOT NULL Constraint

CHECK Constraint

DEFAULT Values

Constraint Naming Conventions

Adding Constraints to Existing Tables

Dropping Constraints

ON DELETE and ON UPDATE Actions

User-Defined Functions

1 Topics

User-Defined Functions

12 Sub-topics

Introduction to User-Defined Functions

Creating SQL Functions

Function Parameters and Return Types

RETURNS TABLE Functions

PL/pgSQL Language Basics

Variables in PL/pgSQL

Control Structures - IF/THEN/ELSE

Loops in PL/pgSQL

Exception Handling

Returning Multiple Values

Function Overloading

Dropping and Replacing Functions

Stored Procedures

1 Topics

Stored Procedures

7 Sub-topics

Creating Stored Procedures

Procedures vs Functions

IN, OUT, and INOUT Parameters

Transaction Control in Procedures

CALL Statement

Error Handling in Procedures

Procedure Best Practices

Triggers

1 Topics

Triggers

10 Sub-topics

Introduction to Triggers

BEFORE Triggers

AFTER Triggers

Row-Level Triggers

Statement-Level Triggers

Trigger Functions

NEW and OLD Variables

Conditional Trigger Execution

Trigger Management - Enable/Disable

Trigger Use Cases and Best Practices

Connecting to PostgreSQL from Applications

1 Topics

Connecting to PostgreSQL from Applications

10 Sub-topics

Connection String Format

Connection Pooling Concepts

Using psycopg2 (Python)

Using node-postgres (Node.js)

Using JDBC (Java)

Using PDO (PHP)

ORMs Overview - SQLAlchemy, Sequelize

Managing Database Credentials

Error Handling in Applications

Connection Timeouts and Retries

Transactions and Concurrency

1 Topics

Transactions and Concurrency

10 Sub-topics

Understanding ACID Properties

BEGIN, COMMIT, and ROLLBACK

Transaction Isolation Levels

Read Committed Isolation

Repeatable Read Isolation

Serializable Isolation

Savepoints

Understanding Locks

Deadlocks and Prevention

Optimistic vs Pessimistic Locking

JSON and JSONB Operations

1 Topics

JSON and JSONB Operations

10 Sub-topics

JSON vs JSONB Data Types

Inserting JSON Data

Querying JSON Data - Operators

Extracting JSON Values

JSON Path Queries

Modifying JSON Data

JSON Array Operations

JSON Aggregation Functions

Indexing JSONB Columns

JSON Schema Validation

Array Operations

1 Topics

Array Operations

9 Sub-topics

Creating and Storing Arrays

Accessing Array Elements

Array Operators

Expanding Arrays with UNNEST

Array Aggregation Functions

Searching Arrays

Modifying Arrays

Multi-Dimensional Arrays

Array Performance Considerations

Working with PostgreSQL Extensions

1 Topics

Working with PostgreSQL Extensions

8 Sub-topics

What are PostgreSQL Extensions

Installing Extensions

Popular Extensions Overview

UUID Extension (uuid-ossp)

PostGIS for Geographic Data

pg_trgm for Similarity Search

hstore for Key-Value Storage

Extension Best Practices

Security for Developers

1 Topics

Security for Developers

10 Sub-topics

Creating Database Users

GRANT and REVOKE Privileges

Role-Based Access Control

Schema-Level Permissions

Row-Level Security (RLS) - Part 1

Row-Level Security (RLS) - Part 2

SQL Injection Prevention

Prepared Statements

Connection Security Best Practices

Encrypting Sensitive Data

Error Handling and Debugging

1 Topics

Error Handling and Debugging

9 Sub-topics

Understanding PostgreSQL Error Codes

Exception Handling in Functions

RAISE Statements

Logging and Debugging Queries

Common Error Messages

Using pg_stat Statements

Debugging Performance Issues

Transaction Rollback Handling

Constraint Violation Handling

Best Practices and Design Patterns

1 Topics

Best Practices and Design Patterns

10 Sub-topics

Code Organization Strategies

Naming Conventions

Comment and Documentation

Version Control for Database Schema

Migration Strategies

Testing Database Code

Avoiding N+1 Query Problems

Batch Processing Techniques

Monitoring and Alerting

Code Review Guidelines

Backup and Restore Basics for Developers

1 Topics

Backup and Restore Basics for Developers

10 Sub-topics

Understanding Backup Types

pg_dump Command

pg_restore Command

Backing Up Specific Tables

Backing Up Specific Schemas

Restoring to Different Database

Data Export to CSV

Data Import from CSV

COPY Command

Backup Best Practices

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PostgreSQL Application Development

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

Start Your Journey Today

PostgreSQL Application Development

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

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