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TTM General discussion

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Function relationsBy dandl · 
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22 RepliesLast post: 1 year ago · Dave Voorhis
1 year ago
Dave Voorhis
Questions about some relational operator definitions and comments about the DIVIDEBY operationBy Greg Klisch · 
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74 RepliesLast post: 1 year ago · Greg Klisch
1 year ago
Greg Klisch
More sad quotesBy p c1 ReplyLast post: 1 year ago · Dave Voorhis
1 year ago
Dave Voorhis
Questions about New Relational Algebra ABy Greg Klisch · 
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49 RepliesLast post: 1 year ago · Dave Voorhis
1 year ago
Dave Voorhis
Null, NaN, NaV, and 2VLBy johnwcowan7 RepliesLast post: 1 year ago · Dave Voorhis
1 year ago
Dave Voorhis
ANNOUNCE: DuroDBMS 1.7 releasedBy Rene Hartmann0 RepliesLast post: 1 year ago · Rene Hartmann
1 year ago
Rene Hartmann
Proposal for a Functional DBy dandl · 
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13 RepliesLast post: 1 year ago · dandl
1 year ago
dandl
Help sought to fix RM Pre 21 (multiple assignment)By Hugh · 
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85 RepliesLast post: 1 year ago · dandl
1 year ago
dandl
Inappropriate responses to points about language design in SQLBy Hugh · 
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45 RepliesLast post: 1 year ago · Dave Voorhis
1 year ago
Dave Voorhis
The case against range variablesBy Hugh9 RepliesLast post: 1 year ago · AntC
1 year ago
AntC
Why do we need natural joins?By dandl · 
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40 RepliesLast post: 1 year ago · dandl
1 year ago
dandl
VSS 8, SQL arrays, and SQL multisetsBy johnwcowan5 RepliesLast post: 2 years ago · johnwcowan
2 years ago
johnwcowan
What is the purpose of SUMMARIZE PER?By johnwcowan · 
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11 RepliesLast post: 2 years ago · Dave Voorhis
2 years ago
Dave Voorhis
On degenerate TTM relation values, and their schemasBy AntC0 RepliesLast post: 2 years ago · AntC
2 years ago
AntC
E.F. Codd and Relational Theory, new book by CJDBy Hugh4 RepliesLast post: 2 years ago · Erwin
2 years ago
Erwin
Pre-relational database models' influence on "theoreticians"By AntC · 
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36 RepliesLast post: 2 years ago · Dave Voorhis
2 years ago
Dave Voorhis
Stateful constraints in TTMBy johnwcowan · 
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13 RepliesLast post: 2 years ago · johnwcowan
2 years ago
johnwcowan
Want a Database Design subforum?By Dave Voorhis1 ReplyLast post: 2 years ago · AntC
2 years ago
AntC
SQLish, a vaguely SQL-like syntax for querying an RM databaseBy johnwcowan · 
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10 RepliesLast post: 2 years ago · johnwcowan
2 years ago
johnwcowan
First and second class citizens in TTMBy dandl · 
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60 RepliesLast post: 2 years ago · AntC
2 years ago
AntC
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