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PostgreSQL Data Analysis with SQL

Turn Data into Decisions - Master SQL Analytics for High-Paying Analyst Roles!

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PostgreSQL Data Analysis with SQL

4 Modules

Course Curriculum

4 Modules · 14 Chapters · 16 Topics · 133 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

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

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

Window Functions

1 Topics

Window Functions

12 Sub-topics

Introduction to Window Functions

ROW_NUMBER Function

RANK and DENSE_RANK Functions

NTILE Function

LAG and LEAD Functions

FIRST_VALUE and LAST_VALUE

PARTITION BY Clause

ORDER BY in Window Functions

Window Frame Clauses - ROWS

Window Frame Clauses - RANGE

Aggregate Window Functions

Combining Multiple Window Functions

Common Table Expressions (CTEs)

1 Topics

Common Table Expressions (CTEs)

9 Sub-topics

Introduction to CTEs

Basic CTE Syntax

Multiple CTEs in One Query

Recursive CTEs - Part 1 (Basics)

Recursive CTEs - Part 2 (Hierarchical Data)

Recursive CTEs - Part 3 (Advanced Patterns)

CTEs vs Subqueries

Performance Considerations

Materialized CTEs

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

Subqueries

1 Topics

Subqueries

8 Sub-topics

What are Subqueries

Subqueries in WHERE Clause

Subqueries in SELECT Clause

Subqueries in FROM Clause

Correlated Subqueries

EXISTS and NOT EXISTS

ANY and ALL Operators

Subquery Performance Considerations

Set Operations

1 Topics

Set Operations

6 Sub-topics

UNION Operator

UNION ALL vs UNION

INTERSECT Operator

EXCEPT Operator

Combining Multiple Set Operations

Set Operation Rules and Requirements

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

Advanced Query Techniques

1 Topics

Advanced Query Techniques

10 Sub-topics

Pivot Tables with CROSSTAB

Dynamic SQL Generation

Lateral Joins

Using DISTINCT ON

Advanced Pattern Matching

Working with Time Series Data

Gap and Island Problems

Running Calculations

Top-N Queries per Group

Query Parameterization

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

Views

1 Topics

Views

8 Sub-topics

Creating Simple Views

Views with Joins

Views with Aggregations

Updatable Views

Materialized Views

Refreshing Materialized Views

Dropping and Altering Views

Views vs Tables Performance

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PostgreSQL Data Analysis with SQL

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

Start Your Journey Today

PostgreSQL Data Analysis with SQL

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

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