DBMS & SQL
Master database management systems, SQL queries, normalization, transactions, locking, and B+ tree indexing.
"Understand the theory,
ace the interview."
Subject Curriculum
The system that stores, manages, and secures all enterprise data
Exam and placement study guide for What is a DBMS? & File System vs DBMS.
Exam and placement study guide for Three-Schema Architecture & Data Independence.
Exam and placement study guide for Types of DBMS.
Comprehensive placement quiz covering all topics in Introduction to DBMS.
Entities, attributes, relationships, cardinalities, and converting ER models to tables
Exam and placement study guide for The ER Model.
Exam and placement study guide for Entities, Attributes & Relationships.
Exam and placement study guide for Mapping ER Diagrams to Relational Tables.
Comprehensive placement quiz covering all topics in Data Models & ER Diagrams.
Relations, tuples, attributes, key hierarchies, and relational algebra
Exam and placement study guide for The Relational Model.
Exam and placement study guide for Types of Keys.
Exam and placement study guide for Relational Algebra Basics.
Comprehensive placement quiz covering all topics in Relational Model & Keys.
Eliminating data redundancy and update anomalies to achieve database purity
Exam and placement study guide for Why Normalization? Anomalies & Functional Dependencies.
Exam and placement study guide for 1NF, 2NF, and 3NF: Step-by-Step Normalization.
Exam and placement study guide for Boyce-Codd Normal Form (BCNF) & Higher Normal Forms.
Comprehensive placement quiz covering all topics in Normalization & Functional Dependencies.
The standard declarative language for relational database definition, manipulation, and query
Exam and placement study guide for Introduction to SQL & Sublanguages (DDL, DML, DQL, DCL, TCL).
Exam and placement study guide for Querying Data: SELECT, WHERE, ORDER BY & Logical Execution Order.
Exam and placement study guide for Aggregate Functions, GROUP BY, and HAVING.
Comprehensive placement quiz covering all topics in SQL Fundamentals.
Combining multi-table relations and structuring complex analytical queries
Exam and placement study guide for SQL Joins: INNER, LEFT, RIGHT, and FULL OUTER.
Exam and placement study guide for CROSS JOIN, NATURAL JOIN, and SELF JOIN.
Exam and placement study guide for Subqueries (Nested vs Correlated) & Database Views.
Comprehensive placement quiz covering all topics in SQL Joins, Subqueries & Views.
The bedrock of data integrity, atomicity, consistency, and crash recovery
Exam and placement study guide for What is a Transaction? ACID Properties in Depth.
Exam and placement study guide for Transaction States & Lifecycle.
Comprehensive placement quiz covering all topics in Transactions & ACID Properties.
Schedules, serializability, lock protocols, 2PL, and deadlock handling
Exam and placement study guide for Concurrency Anomalies & SQL Isolation Levels.
Exam and placement study guide for Lock-Based Protocols & Two-Phase Locking (2PL).
Exam and placement study guide for Deadlock Handling & Timestamp Ordering Protocol.
Comprehensive placement quiz covering all topics in Concurrency Control & Locking.
Accelerating query retrieval, B+ trees, execution plans, and cost-based optimizers
Exam and placement study guide for Indexing in DBMS: Primary, Secondary, Clustered vs Non-Clustered.
Exam and placement study guide for B-Trees and B+ Trees: Storage Engine Architecture.
Exam and placement study guide for Query Optimization & EXPLAIN Execution Plans.
Comprehensive placement quiz covering all topics in Indexing & Query Optimization.
