*** DRAFT ***
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Database File Format
(fileformat.html)
1.3.12. Incremental vacuum settings
... In this latter
case, the integer at offset 64 is true for incremental_vacuum and
false for auto_vacuum. If the integer at offset 52 is zero then
the integer at offset 64 must also be zero.
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Temporary Files Used By SQLite
(tempfiles.html)
2.7. Materializations Of Views And Subqueries
... The row is output only if the check is true.
To avoid creating the temporary table, the query might be rewritten
as follows:
SELECT * FROM ex1 WHERE EXISTS(SELECT 1 FROM ex2 WHERE ex2.b=ex1.a);
Recent versions of ...
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What If OpenDocument Used SQLite?
(affcase1.html)
... loss or other crash occurs in the
middle of the update. (Remember that writes to
SQLite databases are atomic.) True, all the
content is still kept in a single big XML file ("content.xml") which must
be completely rewritten if ...
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The WITH Clause
(lang_with.html)
... The true meaning of NOT MATERIALIZED
is closer to "TREAT LIKE ANY ORDINARY VIEW OR SUBQUERY".
If neither hint is present, then SQLite 3.35.0 (2021-03-12) and
later process the CTE as if the MATERIALIZED phrase were ...
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File Locking And Concurrency In SQLite Version 3
(lockingv3.html)
... But if they are true, it means that database corruption is a possibility
following an unexpected power loss. These are hardware and/or operating
system bugs that SQLite is unable to defend against.
If a Linux ext3
filesystem is mounted ...
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Recent SQLite News
(news.html)
... This is
especially true for double-quoted string literals in
CREATE TABLE and CREATE INDEX statements, as those elements
can cause unexpected problems following an ALTER TABLE.
See ticket 9b78184be266fd70
for an example.
2019-04-16 - Release 3.28.0 ...
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SQLite Foreign Key Support
(foreignkeys.html)
1. Introduction to Foreign Key Constraints
... Expressed in SQL, this
means that for every row in the track table, the following
expression evaluates to true:
trackartist IS NULL OR EXISTS(SELECT 1 FROM artist WHERE artistid=trackartist)
Tip: If the application requires a stricter relationship between ...
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The sqlite3_analyzer.exe Utility Program
(sqlanalyze.html)
1.2. Example Output
... The data used to generate this report follows:
*/
BEGIN;
CREATE TABLE space_used(
name clob, -- Name of a table or index in the database file
tblname clob, -- Name of associated table
is_index boolean, -- TRUE if it is an index, false for ...
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The Virtual Database Engine of SQLite
(vdbe.html)
... If the result
of the comparison is true, the jump is not taken and control
falls through to the Callback instruction below.
Notice how the LIKE operator is implemented. It is a user-defined
function in SQLite, so the address ...
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SQLite Older News
(oldnews.html)
... But the latter
term is never true, and so the query would return no rows.
The trouble ticket for this bug is
[4c86b126f2].
It is recommended that all users upgrade to avoid this problem.
2014-02-03 - Release ...
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