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PostgreSQL for Absolute Beginners

Your First Step into Database World - Simple, Practical, Job-Focused!

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Absolute Beginner

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PostgreSQL for Absolute Beginners

3 Modules

Course Curriculum

3 Modules · 9 Chapters · 11 Topics · 89 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

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

Aggregate Functions and Grouping

1 Topics

Aggregate Functions and Grouping

10 Sub-topics

COUNT Function

SUM Function

AVG Function

MIN and MAX Functions

GROUP BY Clause Basics

Grouping by Multiple Columns

HAVING Clause

WHERE vs HAVING

Aggregate Functions with DISTINCT

String Aggregation Functions

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

Built-in Functions

3 Topics

String Functions

3 Sub-topics

String Functions - LENGTH, SUBSTRING, CONCAT

String Functions - UPPER, LOWER, TRIM

String Functions - REPLACE, SPLIT_PART

Date and Time Functions

3 Sub-topics

Date Functions - CURRENT_DATE, CURRENT_TIMESTAMP

Date Functions - EXTRACT, DATE_PART

Date Functions - AGE, DATE_TRUNC

Mathematical and Conditional Functions

6 Sub-topics

Mathematical Functions - ROUND, CEIL, FLOOR

Mathematical Functions - ABS, POWER, SQRT

Conditional Functions - CASE WHEN

COALESCE and NULLIF Functions

Type Conversion Functions - CAST, TO_CHAR

Pattern Matching Functions - REGEXP_MATCH

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PostgreSQL for Absolute Beginners

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

Start Your Journey Today

PostgreSQL for Absolute Beginners

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

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