Results for “counts”
Small, practical examples. Search by task or narrow things down below.
Include zero counts for missing relationships
SQL: Count the non-null child key after a left join so a missing relationship produces zero.
SQL✓ Tested
Include zero counts for missing relationships
SQL Server: Count the non-null child key after a left join so a missing relationship produces zero.
SQL Server✓ Tested
Include zero counts for missing relationships
Postgres: Count the non-null child key after a left join so a missing relationship produces zero.
Postgres✓ Tested
Include zero counts for missing relationships
SQLite: Count the non-null child key after a left join so a missing relationship produces zero.
SQLite✓ Tested
Alternate row backgrounds with a structural selector
CSS: Nth-child counts sibling positions starting at one.
CSS✓ Tested
Count a leading run of allowed characters
C: strspn counts bytes at the start that belong to a specified character set.
C✓ Tested
Count commits reachable from a revision
Git: rev-list --count counts reachable commits without printing commit identifiers.
Git✓ Tested
Count day boundaries between dates
Compare date values with DATEDIFF.
DATEDIFF✓ Tested
Count distinct values within a result
SQL: COUNT DISTINCT counts distinct non-null values.
SQL✓ Tested
Count distinct values within a result
SQL Server: COUNT DISTINCT counts distinct non-null values.
SQL Server✓ Tested
Count distinct values within a result
Postgres: COUNT DISTINCT counts distinct non-null values.
Postgres✓ Tested
Count distinct values within a result
SQLite: COUNT DISTINCT counts distinct non-null values.
SQLite✓ Tested