Master SQL Beginner to Advanced + Interview Questions

What you'll learn
Understand SQL fundamentals and database concepts from scratch.
Install and work with SQL Server in a practical environment.
Perform data insertion, updates, and deletions using SQL queries.
Apply database constraints to maintain data integrity.
Write advanced filtering and sorting queries using conditions and operators.
Analyze data using aggregate functions, GROUP BY, and HAVING clauses.
Work confidently with SQL JOINS, subqueries, and UNION operations.
Use advanced SQL features such as window functions, CTEs, views, and stored procedures.
Implement analytical functions like RANK, DENSE_RANK, ROW_NUMBER, LEAD, and LAG.
Prepare effectively for SQL and Data Engineer interviews with real interview questions.
Requirements
No prior SQL or database knowledge is required.
Basic computer skills are sufficient to follow the course.
Willingness to practice SQL queries during the course.
Description
This complete SQL course is carefully designed to build strong database fundamentals and advanced SQL expertise, followed by focused interview preparation for Data Engineer roles. The course is structured step by step so learners can clearly understand each concept and apply it confidently in real-world scenarios.The course begins with SQL fundamentals and gradually moves toward advanced analytical concepts and interview-level problem solving. Every topic is explained with clarity, practical demonstrations, and real examples to ensure strong conceptual and hands-on learning.Course Content Overview 1. SQL & Database FundamentalsSQL Introduction and SQL Server InstallationUnderstanding Databases, Database Concepts, and TypesPractical Database Demonstration 2. Core SQL Data ManipulationINSERT Statement in SQLConstraints in SQLNOT NULL and UNIQUE ConstraintsCHECK and DEFAULT ConstraintsPRIMARY KEY in SQLFOREIGN KEY in SQL 3. Data Filtering, Sorting & ModificationFILTER and SORT in SQLDELETE vs DROP vs TRUNCATEUPDATE Statement in SQLConditional Statements using AND, OR, IN 4. Data Analysis & AggregationAggregate Functions in SQLGROUP BY ClauseLIKE OperatorHAVING ClauseTOP or LIMITDISTINCT KeywordCOALESCE Function 5. Advanced Querying & JoinsComplete SQL JOINS with Practical ExamplesUNION vs UNION ALLALTER StatementWindow Functions and Aggregate Window FunctionsRANK, DENSE_RANK, ROW_NUMBER Analytical FunctionsLEAD and LAG Functions 6. Advanced SQL ConceptsCommon Table Expressions (CTE) using WITH ClauseSQL VIEWSStored Procedures using CREATE PROCEDURESubqueries with ExamplesSQL Triggers with Real-Life Use Cases 7. Data Engineer Interview PreparationSQL Interview Questions and Answers – Part 1SQL Interview Questions and Answers – Part 2Data Engineer SQL Interview Questions – Part 3Important SQL Interview QuestionsMost Asked SQL Interview Questions for Data EngineersPython Interview Questions for Data EngineersPython Coding Questions for Data Engineer InterviewsImportant SQL Interview Questions – Advanced LevelSQL Interview Question: Fill Null Values with Previous ValueAdvanced SQL Interview Question – Final PracticeWhy This Course?This course is ideal for learners who want a complete SQL roadmap in one place. From database basics to advanced SQL queries, analytical functions, and real interview questions, everything is covered in a structured and practical manner. By the end of the course, you will be able to confidently write optimized SQL queries, work with complex datasets, and successfully prepare for SQL and Data Engineer interviews.
Who this course is for
Beginners who want to learn SQL from the ground up.
Students preparing for SQL, database, or Data Engineer interviews.
Working professionals looking to strengthen their SQL skills.
Data Analysts, Data Engineers, and Software Developers.
Anyone who wants hands-on and interview-focused SQL knowledge.
Homepage

https://www.udemy.com/course/master-sql-beginner-to-advanced-interview-questions/

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