Small. Fast. Reliable.
Choose any three.
Choose any three.
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Partial Indexes
(partialindex.html)
2. Creating Partial Indexes
... show
join-clause:
show
join-constraint:
show
join-operator:
show
ordering-term:
show
result-column:
show
table-or-subquery:
show
window-defn:
show
frame-spec:
show
type-name:
show
signed-number:
show
indexed-column:
show
Any index that includes the ...
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Implementation Limits For SQLite
(limits.html)
... Maximum Number Of Tables In A Join
SQLite does not support joins containing more than 64 tables.
This limit arises from the fact that the SQLite code generator
uses bitmaps with one bit per join-table in the query optimizer ...
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The SQLITE_DBPAGE Virtual Table
(dbpage.html)
2.1. Using SQLITE_DBPAGE On ATTACH-ed Databases
... SELECT data FROM sqlite_dbpage('main') WHERE pgno=1;
SELECT data FROM sqlite_dbpage WHERE pgno=1;
The SQLITE_DBPAGE table can participate in a join just like any other
table. Hence, to see the content of the first page to all connected ...
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Window Functions
(windowfunctions.html)
2.3. The FILTER Clause
... show
join-clause:
show
join-constraint:
show
join-operator:
show
ordering-term:
show
result-column:
show
table-or-subquery:
show
window-defn:
show
frame-spec:
show
type-name:
show
signed-number:
show
If a FILTER clause is provided, then only ...
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The WITH Clause
(lang_with.html)
... WITH RECURSIVE nodes(x) AS (
SELECT 59
UNION
SELECT aa FROM edge JOIN nodes ON bb=x
UNION
SELECT bb FROM edge JOIN nodes ON aa=x
)
SELECT x FROM nodes;
The initial-select in this case is the simple ...
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Recent SQLite News
(news.html)
... This release also fixes a performance regression that appeared in version
3.39.0 that might affect some multi-way joins that use LEFT JOIN.
2022-07-13 - Version 3.39.1
Version 3.39.1 is a patch release ...
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SQLite Changes From Version 3.5.9 To 3.6.0
(35to36.html)
... 1.4 Changes To Column Naming Rules
The column names reported by join subqueries have been modified slightly
in order to work more like other database engines. Consider the following
query:
CREATE TABLE t1(a);
CREATE TABLE t2(x);
SELECT ...
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Profiling SQL Queries
(profile.html)
3. Complex Cases - Rows, Loops and Cycles
... sqlite3> WITH cnt(i) AS (
SELECT 1 UNION SELECT i+1 FROM cnt WHERE i<100
)
SELECT
*, (SELECT d FROM t2 WHERE c=ft.rowid)
FROM
(SELECT count(*), a FROM t1 GROUP BY a) AS v1 CROSS JOIN ...
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INSERT
(lang_insert.html)
... Without the WHERE clause, the
parser does not know if the token "ON" is part of a join constraint
on the SELECT, or the beginning of the .
INSERT INTO table DEFAULT VALUES;
The third form of an INSERT statement is ...
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SQLite Keywords
(lang_keywords.html)
... GENERATED
GLOB
GROUP
GROUPS
HAVING
IF
IGNORE
IMMEDIATE
IN
INDEX
INDEXED
INITIALLY
INNER
INSERT
INSTEAD
INTERSECT
INTO
IS
ISNULL
JOIN
KEY
LAST
LEFT
LIKE
LIMIT
MATCH
MATERIALIZED
NATURAL
NO
NOT
NOTHING
NOTNULL
NULL
NULLS
OF
OFFSET
ON
OR
ORDER
OTHERS ...
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