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Description
A native iPad and iPhone app that converts a SQL query typed, pasted, or imported from a .sql file into relational algebra, tuple relational calculus and domain relational calculus. Each notation gets a step by step derivation, a final oneline formula, and an interactive diagram an operator tree for the algebra, a quantifier scope tree for the calculus and a fourth view stacks all three against the same query. Whatever SQL asks for that a notation cannot express exactly is reported rather than quietly approximated.
What's New
Version 2.0 2026-10-15
This version includes additional ability to convert relational algebra, tuple relational calculus and domain relational calculus in to SQL text. App supports ge...This version includes additional ability to convert relational algebra, tuple relational calculus and domain relational calculus in to SQL text. App supports generation for DuckDB and Data Fusion sql dialect. Technical Analysis
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Bundle ID
com.relationalalgebra.RelationalAlgebra Current Version 2.0
Minimum iOS 17.0
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