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Overview
| Comment: | Updates so that documentation agrees with requirement marks. |
|---|---|
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
f1a1831162fdf5f6c8c85d744ad83895 |
| User & Date: | drh 2019-09-27 17:55:32 |
Context
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2019-09-28
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| 19:02 | Typo fixes. check-in: 7a37431be5 user: drh tags: trunk | |
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2019-09-27
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| 17:55 | Updates so that documentation agrees with requirement marks. check-in: f1a1831162 user: drh tags: trunk | |
| 11:30 | Merge fixes from the 3.20 branch. check-in: de8b5d698b user: drh tags: trunk | |
Changes
Changes to pages/lang.in.
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<p>^A [SELECT] statement enclosed in parentheses is a subquery. ^All types of SELECT statement, including aggregate and compound SELECT queries (queries with keywords like UNION or EXCEPT) are allowed as scalar subqueries. ^The value of a subquery expression is the first row of the result from the enclosed [SELECT] statement. ^In other words, an implied "LIMIT 1" is added to the subquery, overriding an explicitly coded LIMIT. ^The value of a subquery expression is NULL if the enclosed [SELECT] statement returns no rows. <p>A subquery that returns a single column is a scalar subquery and can be used most anywhere. ^A subquery that returns two or more columns is a [row value] subquery and can only be used as the operand of a comparison operator. ................................................................................ EXCEPT EXCLUSIVE EXCLUDE EXISTS EXPLAIN FAIL FILTER FOLLOWING FOR FOREIGN FROM FULL GLOB GROUP ................................................................................ INSTEAD INTERSECT INTO IS ISNULL JOIN KEY LEFT LIKE LIMIT MATCH NATURAL NO NOT NOTHING NOTNULL NULL OF OFFSET ON OR ORDER OTHERS OUTER |
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<p>^A [SELECT] statement enclosed in parentheses is a subquery. ^All types of SELECT statement, including aggregate and compound SELECT queries (queries with keywords like UNION or EXCEPT) are allowed as scalar subqueries. ^The value of a subquery expression is the first row of the result from the enclosed [SELECT] statement. ^The value of a subquery expression is NULL if the enclosed [SELECT] statement returns no rows. <p>A subquery that returns a single column is a scalar subquery and can be used most anywhere. ^A subquery that returns two or more columns is a [row value] subquery and can only be used as the operand of a comparison operator. ................................................................................ EXCEPT EXCLUSIVE EXCLUDE EXISTS EXPLAIN FAIL FILTER FIRST FOLLOWING FOR FOREIGN FROM FULL GLOB GROUP ................................................................................ INSTEAD INTERSECT INTO IS ISNULL JOIN KEY LAST LEFT LIKE LIMIT MATCH NATURAL NO NOT NOTHING NOTNULL NULL NULLS OF OFFSET ON OR ORDER OTHERS OUTER |