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PostgreSQL for Backend Developers

Power Your Backend Skills with PostgreSQL—Build Scalable, High-Performance Applications!

4.6
Intermediate

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PostgreSQL for Backend Developers
4 Modules

Course Curriculum

4 Modules · 14 Chapters · 14 Topics · 136 Sub-topics

01
Foundation
3 Chapters · 3 Topics · 24 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
02
Data Operations
4 Chapters · 4 Topics · 43 Sub-topics
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
Working with Multiple Tables - Joins
1 Topics
Working with Multiple Tables - Joins
10 Sub-topics
Understanding Table Relationships
INNER JOIN Basics
LEFT JOIN (LEFT OUTER JOIN)
RIGHT JOIN (RIGHT OUTER JOIN)
FULL OUTER JOIN
CROSS JOIN
Self Joins
Joining Multiple Tables
Using Table Aliases in Joins
Join Performance Considerations
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
03
Application Integration
4 Chapters · 4 Topics · 39 Sub-topics
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
04
Performance
3 Chapters · 3 Topics · 30 Sub-topics
Indexes
1 Topics
Indexes
10 Sub-topics
Understanding Index Basics
Creating B-Tree Indexes
Unique Indexes
Multi-Column Indexes
Partial Indexes
Expression Indexes
EXPLAIN and Query Plans
ANALYZE Command
When to Create Indexes
Index Maintenance Considerations
Query Optimization Techniques
1 Topics
Query Optimization Techniques
10 Sub-topics
Understanding Query Execution Plans
Using EXPLAIN ANALYZE
Index Usage Analysis
Query Rewriting for Performance
Avoiding SELECT *
Optimizing Joins
Optimizing Subqueries
Partitioning Strategies
Statistics and ANALYZE
Connection Pooling Concepts
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

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