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in the tutorial, chapter 2., "Relational Data Model Formalities"

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(sql490.htm), there is

"set of all k-tuples v1, v2, ... vk, such that v1 [isin] D1, v1 [isin] D1"

i assume it should be
"set of all k-tuples v1, v2, ... vk, such that v1 [isin] D1, v2 [isin] D2"

Divide by Zero
This commit is contained in:
Bruce Momjian 2001-01-27 05:07:28 +00:00
parent a6584742ed
commit 76beb79d27
1 changed files with 3 additions and 3 deletions
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6
doc/src/sgml/sql.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$Header: /cvsroot/pgsql/doc/src/sgml/sql.sgml,v 1.17 2001/01/09 16:05:21 momjian Exp $ $Header: /cvsroot/pgsql/doc/src/sgml/sql.sgml,v 1.18 2001/01/27 05:07:28 momjian Exp $
--> -->
<chapter id="sql"> <chapter id="sql">
@ -235,8 +235,8 @@ D_{1}, v_{2} \in D_{2}, \ldots, v_{k} \in D_{k}$}.
such that such that
<parameter>v<subscript>1</subscript></parameter> &isin; <parameter>v<subscript>1</subscript></parameter> &isin;
<parameter>D<subscript>1</subscript></parameter>, <parameter>D<subscript>1</subscript></parameter>,
<parameter>v<subscript>1</subscript></parameter> &isin; <parameter>v<subscript>2</subscript></parameter> &isin;
<parameter>D<subscript>1</subscript></parameter>, <parameter>D<subscript>2</subscript></parameter>,
... ...
<parameter>v<subscript>k</subscript></parameter> &isin; <parameter>v<subscript>k</subscript></parameter> &isin;
<parameter>D<subscript>k</subscript></parameter>. <parameter>D<subscript>k</subscript></parameter>.