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Search results 1..10 of 38 for: Group

Built-in Aggregate Functions
(lang_aggfunc.html)
 ... count(X)count(*) The count(X) function returns a count of the number of times that X is not NULL in a group. The count(*) function (with no arguments) returns the total number of rows in the group. group_concat(X ... 
Window Functions
(windowfunctions.html)
2.2.1. Frame Type  ... The GROUPS frame type means that the starting and ending boundaries are determine by counting "groups" relative to the current group. A "group" is a set of rows that all have equivalent values for all all terms of the window ... 
SELECT
(lang_select.html)
 ... Each row is then assigned to a "group" based on the results; rows for which the results of evaluating the GROUP BY expressions are the same get assigned to the same group. For the purposes of grouping rows, NULL values ... 
6. Aggregate Queries Can Contain Non-Aggregate Result Columns That Are Not In The GROUP BY Clause In most SQL implementations, output columns of an aggregate query may only reference aggregate functions or columns named in the GROUP BY clause. It does not make good sense to reference an ordinary column in an aggregate query because each ... 
C API: Introduction
(c3ref/intro.html)
 ... The SQLite interface elements can be grouped into three categories: List Of Objects. This is a list of all abstract objects and datatypes used by the SQLite library. There are couple dozen objects in total, but the two most important ... 
SQLite Keywords
(lang_keywords.html)
 ... EACH ELSE END ESCAPE EXCEPT EXCLUDE EXCLUSIVE EXISTS EXPLAIN FAIL FILTER FIRST FOLLOWING FOR FOREIGN FROM FULL GENERATED GLOB GROUP GROUPS HAVING IF IGNORE IMMEDIATE IN INDEX INDEXED INITIALLY INNER INSERT INSTEAD INTERSECT INTO IS ISNULL JOIN KEY LAST LEFT ... 
Full-Featured SQL
(fullsql.html)
 ... ACID transactions using BEGIN, COMMIT, and ROLLBACK Nested transactions using SAVEPOINT, RELEASE, and ROLLBACK TO Subqueries, including correlated subqueries Up to 64-way joins LEFT JOIN DISTINCT, ORDER BY, GROUP BY, HAVING, LIMIT, and OFFSET UNION, UNION ALL, INTERSECT, and ... 
EXPLAIN QUERY PLAN
(eqp.html)
1.2. Temporary Sorting B-Trees If a SELECT query contains an ORDER BY, GROUP BY or DISTINCT clause, SQLite may need to use a temporary b-tree structure to sort the output rows. Or, it might use an index. Using an index is almost always ... 
C API: Run-Time Limit Categories
(c3ref/c_limit_attached.html)
SQLITE_LIMIT_LENGTH, SQLITE_LIMIT_SQL_LENGTH, SQLITE_LIMIT_COLUMN, SQLITE_LIMIT_EXPR_DEPTH, SQLITE_LIMIT_COMPOUND_SELECT, SQLITE_LIMIT_VDBE_OP ... 
 ... SQLITE_LIMIT_COLUMN The maximum number of columns in a table definition or in the result set of a SELECT or the maximum number of columns in an index or in an ORDER BY or GROUP BY clause. SQLITE_LIMIT_EXPR_DEPTH The maximum depth ... 
6. Sorting, Grouping and Compound SELECTs  ... When grouping values with the GROUP BY clause values with different storage classes are considered distinct, except for INTEGER and REAL values which are considered equal if they are numerically equal. No affinities are applied to any values as the ... 

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