Analyze relational schema attributes, candidate keys, and dependencies to verify 1NF, 2NF, 3NF, and BCNF compliance.
Database ER Diagram Generator — Visual SVG & Mermaid ERD Builder
Generate visual Entity Relationship (ER) diagrams with interactive cardinalities, SVG rendering, and Mermaid export.
Database Connection Pool Sizing Calculator
Calculate optimal database connection pool size for PostgreSQL, MySQL, and HikariCP using Little
CSV to SQL Converter — Transform CSV Files to CREATE TABLE & INSERT Statements
Convert CSV spreadsheets into SQL CREATE TABLE schemas and bulk INSERT statements with automatic type detection.
Bulk SQL INSERT Statement Generator — Multi-Row SQL INSERT Builder
Generate clean multi-row bulk SQL INSERT statements from tabular data with ON CONFLICT and ON DUPLICATE KEY clauses.
B-Tree Index Depth Calculator — Fanout, Levels & Memory Footprint
Calculate B-Tree node fanout, index depth levels, leaf page counts, and RAM/disk storage for PostgreSQL, MySQL, and SQLite.
B-Tree & B+Tree Database Index Depth & I/O Calculator
Calculate database B-Tree & B+Tree index depth, page fanout, leaf page count, disk storage overhead, and random I/O query latency across PostgreSQL, MySQL InnoDB, and SQLite.
Wallpaper Calculator – Rolls, Drops & Pattern Repeat
Calculate exact single and double wallpaper roll counts factoring room perimeter, ceiling height, and pattern repeat drops.
Tile, Thin-Set Mortar & Grout Coverage Calculator | Construction Engineering Calculator
Calculate tile quantities, carton counts, ANSI grout weight (lbs and 25lb bags), and thin-set mortar bags based on trowel notch size and joint width.
Tile Quantity Calculator — Floor, Wall & Grout Estimator
Calculate tiles needed for floors, walls, and showers online. Free tile calculator with layout pattern waste allowances, carton counts, and grout volume.