Create PostgreSQL function to handle inventory part transfers between LEGO sets with validation and audit logging.

Manage film inventory through multiple operations including adding films, updating records, and cleaning old data.

Debug and fix customer behavior analysis query producing incorrect rental counts and spending calculations.

Optimize slow customer analytics query with correlated subqueries causing timeout issues in reporting dashboard.

Analyze pgvector database storage, identify vector columns, assess space utilization and performance for RAG applications.

Optimize slow-running participant performance query by creating indexes and populating performance report table.

Consolidate scattered baseball player data into comprehensive analysis table combining offensive and defensive statistics.

Manage team rosters with player transfers, injury tracking, performance evaluations, and health status adjustments.

Conduct comprehensive security audit identifying users with insufficient or dangling permissions in business database environment.

Implement Row Level Security policies for social platform with proper access control for posts, comments, and channels.

Implement data consistency system ensuring reported part counts match actual inventory using triggers and constraint enforcement.

Implement Row-Level Security policies with role-based access control for theme-based data isolation in LEGO database.

Analyze management structure evaluating leadership effectiveness, span of control, and management transitions for succession planning.

Design automated reporting system with materialized views, stored procedures, and triggers for executive dashboard monitoring.

Analyze retention patterns identifying turnover factors and high-risk employees to develop targeted retention strategies.

Generate comprehensive employee demographics report with gender statistics, age groups, birth months, and hiring trends.

Build project tracking system from scratch with tables for projects, assignments, milestones, and performance indexes.

Create performance evaluation system analyzing career progression patterns and salary equity for promotion and compensation decisions.

Create monthly sales dashboard and top music charts system for tracking business performance and trending content.

Migrate customer data from acquired company MelodyMart into Chinook database using bulk operations and business logic.

Reorganize employee structure through CRUD operations including inserts, updates, deletes, and customer reassignments.