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A tuple operation: UPDATE t1 FROM t2In TTM General discussion · 10 months ago

A reference manual for Tutorial D or RelIn Tutorial D · 10 months ago

Self partitioning a relationIn Miscellaneous · 10 months ago

Function relationsIn TTM General discussion · 10 months ago

Questions about some relational operator definitions and comments about the DIVIDEBY operationIn TTM General discussion · 12 months ago

Anonymous operators revisitedIn Tutorial D · 10 months ago

Aggregation in TD and RelIn Tutorial D · 10 months ago

Codd 1970 'domain' does not mean Date 2016 'type' [was: burble about Date's IM]In Database Theory · 1 year ago

Tutorial D - Relational Model Number TypeIn Tutorial D · 10 months ago

What are the nodes in a Visual RA?In Database Theory · 10 months ago

Andl Adds Relational Algebra to KnimeIn Miscellaneous · 10 months ago

Please do my homeworkIn Tutorial D · 10 months ago

Forum response noticeably sluggish, ~ 1:00 am Monday morning GMTIn Forum Use and Support · 11 months ago

More sad quotesIn TTM General discussion · 11 months ago

The problem of company carsIn Miscellaneous · 11 months ago

Johns Hopkins' Covid-19 "database"In Miscellaneous · 11 months ago

Server move; service interruptionIn Forum Administration · 11 months ago

Questions about New Relational Algebra AIn TTM General discussion · 11 months ago

Null, NaN, NaV, and 2VLIn TTM General discussion · 1 year ago

SUMMARIZE PER, OUTER JOIN and image relationsIn Database Theory · 12 months ago

No longer receiving emailIn Forum Use and Support · 12 months ago

Java gets tuplesIn Miscellaneous · 12 months ago

Tutorial D as a serviceIn Tutorial D · 2 years ago

And the moral is, Knime is better than Excel but it sure ain't relational...In Miscellaneous · 12 months ago

"The Programmer As Navigator"In Miscellaneous · 1 year ago

Relational Theory and the Russell ParadoxIn Database Theory · 1 year ago

Removed message editor context menu.In Forum Administration · 12 months ago

Minor irritations...In Forum Use and Support · 12 months ago

Relational Lattice: 2019 Report CardIn Database Theory · 1 year ago

Extracting a domain from a relationIn Database Theory · 1 year ago

Datomic? and a provocative lectureIn Miscellaneous · 1 year ago

ANNOUNCE: DuroDBMS 1.7 releasedIn TTM General discussion · 1 year ago

Proposal for a Functional DIn TTM General discussion · 1 year ago

Help sought to fix RM Pre 21 (multiple assignment)In TTM General discussion · 1 year ago

Inappropriate responses to points about language design in SQLIn TTM General discussion · 1 year ago

Types and all that @*#$.In Miscellaneous · 1 year ago

The case against range variablesIn TTM General discussion · 1 year ago

Why do we need natural joins?In TTM General discussion · 1 year ago

How to resolve the type system-relational algebra mismatchIn Database Theory · 1 year ago

TTM's IM: a 'solution' to a question nobody asked; then how else to express squares are rectangles?In Database Theory · 1 year ago

Implicit assumptions in a toy example of view updatesIn Database Theory · 1 year ago

RFC: "DOMAIN" types in Tutorial DIn Tutorial D · 1 year ago

Aggregates in constraintsIn Miscellaneous · 1 year ago

Logical incompleteness of A-algebra for base deletesIn Database Theory · 1 year ago

A question after re-reading CoddIn Database Theory · 1 year ago

Are inclusion dependencies reducible to foreign-key dependencies?In Database Theory · 1 year ago

Tuple visibility through a viewIn Database Theory · 1 year ago

BUG: you're not allowed to do thatIn Forum Use and Support · 1 year ago

Paper: "... A Linguistic Approach to the View Update Problem"In Database Theory · 1 year ago

Shortest, the most intuitive proof of R00 uniquenessIn Database Theory · 1 year ago