Results for “portable paths”
Small, practical examples. Search by task or narrow things down below.
Calculate a cumulative integer percentage
SQL: Divide a running window sum by the complete total using a unique ordering key.
SQL✓ Tested
Calculate a lexical relative path
C++: lexically_relative compares path components without requiring the paths to exist.
C++✓ Tested
Calculate a total for each group
SQL: Group nonmissing categories and calculate separate totals.
SQL✓ Tested
Calculate a value with SELECT
SQL: Evaluate a small arithmetic expression on the database server.
SQL✓ Tested
Calculate each group’s integer percentage of the total
SQL: Multiply before division and protect against a zero denominator.
SQL✓ Tested
Calculate each group’s numeric spread
SQL: Subtract MIN from MAX to report the difference between extremes.
SQL✓ Tested
Combine matching rows with INNER JOIN
Read product names with their matching stock values.
INNER JOIN✓ Tested
Combine results while retaining duplicates
SQL: UNION ALL does not spend work removing equal rows.
SQL✓ Tested
Combine results without duplicates
Merge compatible result sets with UNION.
UNION✓ Tested
Combine text values with a separator
SQL: Use the concatenation operator supported by the selected SQL dialect.
SQL✓ Tested
Commit multiple related changes together
SQL: The first transaction prepares the fixtures. The second commits both updates as one unit.
SQL✓ Tested
Compare a row with its own group average
SQL: A correlated aggregate computes a different comparison value for each group.
SQL✓ Tested