Sql Server Queries: From Basics To Advanced Techniques

Master the Art of SQL Queries for Effective Data Retrieval and Analysis

What you'll learn

Develop the skills to create accurate and efficient SQL queries for data analysis and management.

Learn strategies to improve query and database performance.

Understand and apply advanced SQL features.

Build confidence in addressing complex data problems with SQL.

Requirements

Basic understanding of database concepts and familiarity with any SQL environment is recommended but not mandatory for taking this course.

Description

Unlock the power of SQL queries in this comprehensive course tailored for anyone looking to master data retrieval and analysis. SQL Server Queries: From Basics to Advanced Techniques focuses exclusively on SQL query writing, ensuring a streamlined and in-depth learning experience that delivers real results.In this course, you’ll start with the fundamentals of SQL, such as crafting simple SELECT statements, filtering data using WHERE clauses, and sorting results with ORDER BY. From there, you’ll build on these basics with intermediate topics like joining tables, using subqueries for complex data retrieval, and applying aggregate functions to summarize information effectively.For those ready to take their skills to the next level, the course dives into advanced techniques, including Common Table Expressions (CTEs), window functions for analytical queries, and strategies for optimizing query performance. Every concept is taught through practical examples and hands-on exercises using a pre-populated database.This course is designed for learners of all levels—whether you’re just beginning your journey into SQL or seeking to refine and elevate your query-writing skills. By focusing exclusively on SQL queries, this course eliminates distractions and gives you the tools to extract, analyze, and manipulate data with precision and efficiency.With engaging video lectures, detailed explanations, and step-by-step demonstrations, you’ll gain the confidence to tackle real-world data challenges. By the end of this course, you’ll be fully equipped to write SQL queries that meet the demands of modern data analysis tasks, whether for work, study, or personal projects.Enroll today to transform the way you work with data and become a true expert in SQL queries!

Overview

Section 1: Installing SQL Server Express and Restoring the Database

Lecture 1 Link to download the software used in this course

Lecture 2 Terms of Use

Lecture 3 Desktop Software Download

Lecture 4 Installation of the main desktop software

Lecture 5 Restoring a database with data

Section 2: Foundations of SQL Server Queries

Lecture 6 Accessing Microsoft Management Studio

Lecture 7 Maximize Your Learning: Strategies to Get the Most Out of This Course

Lecture 8 Basic SQL Syntax

Lecture 9 Sorting and Limiting Results

Section 3: Intermediate Querying Techniques

Lecture 10 Joining Two Tables

Lecture 11 Joining More Than Two Tables

Lecture 12 Understanding Different Types of Joins

Lecture 13 Utilizing Aggregate Functions and Grouping Data With GROUP BY

Lecture 14 Troubleshooting SQL Joins: Diagnosing and Solving Mismatched Results

Lecture 15 Filtering Grouped Data With HAVING

Lecture 16 Understanding Subqueries and Their Use Cases

Lecture 17 Writing and Using Common Table Expressions (CTEs)

Section 4: Modifying Data

Lecture 18 Writing INSERT statements for single and multiple rows

Lecture 19 Using SELECT INTO for quick data copying

Lecture 20 Writing UPDATE statements with conditions

Lecture 21 Updating Columns in One Table Based on Matching Columns in Another Table

Lecture 22 Writing DELETE statements with WHERE conditions

Lecture 23 Safeguards against unintentional deletions

Lecture 24 Using the MERGE statement for upserts (insert/update/delete combinations)

Lecture 25 Understanding transactions for safe modifications

Section 5: Advanced Query Techniques

Lecture 26 Window functions and their applications

Lecture 27 Introduction to dynamic SQL

Section 6: Performance Optimization and Advanced Concepts

Lecture 28 Understanding execution plans and their importance

Lecture 29 Introduction to transactions: ACID properties

My course is designed to teach SQL query building from the basics to advanced techniques, focusing on writing efficient and optimized queries for real-world scenarios. It is ideal for anyone looking to strengthen their query-building skills, whether starting from scratch or refining their existing knowledge. By the end of the course, students will be able to confidently construct complex SQL queries, troubleshoot issues, and apply advanced SQL techniques to solve problems efficiently.