Documentation Source Text

Check-in [a8df0f43ab]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Fix a typo in the FAQ reported on the mailing list.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: a8df0f43abade71b59f9bdfe7a22f3a7ccda3b68
User & Date: drh 2011-05-02 12:23:53.847
Context
2011-05-11
19:01
Add documentation for URI filenames. Update capi3ref.in so that it is able to have [[label]] style anchors in the middle of a single documentation unit. (check-in: 66c5bcbaf8 user: drh tags: trunk)
2011-05-02
12:23
Fix a typo in the FAQ reported on the mailing list. (check-in: a8df0f43ab user: drh tags: trunk)
2011-04-22
20:49
Clarification and corrections to the computation of how much content spills into overflow pages in the b-tree. (check-in: e64e27e335 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to pages/faq.in.
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
  How are the syntax diagrams (a.k.a. "railroad" diagrams) for
  SQLite generated?
} {
  The process is explained at [http://wiki.tcl.tk/21708].
}

faq {
  The SQL standard requires that a UNIQUE constraint be enforced even of
  one or more of the columns in the constraint are NULL, but SQLite does
  not do this.  Isn't that a bug?
} {
  Perhaps you are referring to the following statement from SQL92:

  <blockquote>
  A unique constraint is satisfied if and only if no two rows in a







|







600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
  How are the syntax diagrams (a.k.a. "railroad" diagrams) for
  SQLite generated?
} {
  The process is explained at [http://wiki.tcl.tk/21708].
}

faq {
  The SQL standard requires that a UNIQUE constraint be enforced even if
  one or more of the columns in the constraint are NULL, but SQLite does
  not do this.  Isn't that a bug?
} {
  Perhaps you are referring to the following statement from SQL92:

  <blockquote>
  A unique constraint is satisfied if and only if no two rows in a