SQL Performance Tuning and Optimization: A Comprehensive Guide
Master SQL performance tuning techniques, execution plans, bind variables, and indexing strategies to optimize database queries. A complete guide to Oracle SQL performance optimization for developers and DBAs.
Data Modeling & Database Design Best Practices
Master relational data modeling, database design principles, normalization rules (1NF, 2NF, 3NF), Star Schemas, slowly changing dimensions (SCD), and the Entity-Attribute-Value (EAV) anti-pattern. A complete architectural guide for software engineers.
SQL Advanced: Window Functions, Ranking, Running Totals & CTEs
Master advanced SQL analytics — Window Functions (OVER, PARTITION BY), ranking functions (ROW_NUMBER, RANK, DENSE_RANK, NTILE), LAG/LEAD for period comparisons, running totals and moving averages with SUM/AVG OVER, and Common Table Expressions (CTE & Recursive CTE) with real-world Oracle and PostgreSQL examples.
SQL Intermediate: Joins, Aggregates, Subqueries, Functions, Views & Indexes
Master intermediate SQL concepts in one comprehensive guide — covering all JOIN types, aggregate functions (COUNT/SUM/AVG/MIN/MAX), GROUP BY, HAVING, subqueries, UNION/INTERSECT/EXCEPT, CASE statements, COALESCE/NULLIF/NVL, string/date/math functions, SQL Views, and Indexes. Packed with Oracle, MySQL, and PostgreSQL examples.
SQL Foundations: The Complete Beginner's Guide
Master SQL from zero — covering What is SQL, data types, DDL (CREATE/ALTER/DROP), DML (INSERT/UPDATE/DELETE), SELECT, WHERE, ORDER BY, DISTINCT, LIKE/IN/BETWEEN, NULL handling, operators, LIMIT, aliases, comments, and essential functions. Oracle, MySQL, and PostgreSQL examples throughout.
The RMS Data Model for Reporting
A guide to the most critical Oracle RMS tables every BI developer and data analyst needs to know for operational reporting.
Competitive Shopping in RMS
Learn how Oracle RMS manages competitor pricing data. Understand the COMP_SHOP_LIST and COMP_PRICE tables, and how retailers use this data to execute price matches and maintain market share.
Promotions Framework in Oracle RPM
A comprehensive overview of the Oracle RPM Promotions Framework. Understand how temporary discounts, multi-buys (BOGO), and threshold promotions are designed, conflict-checked, and executed during the promotional lifecycle.
Clearance Pricing and Markdown Strategies
Master Oracle RPM Clearance Pricing. Learn how items transition from regular price to End-of-Life, how clearance zone groups drive aggressive markdowns, and why clearance events lock out regular price changes.
RC:OMS
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