Results for “diff”
Small, practical examples. Search by task or narrow things down below.
Pair employees with their managers
SQLite: Alias a table twice to represent two different roles in one relationship.
SQLite✓ Tested
Parse and format a date
Convert a date string into a datetime object, then format it in a different, human-readable order.
date✓ Tested
Place missing values after known values portably
SQL: A CASE sort key controls NULL placement without relying on engine-specific defaults.
SQL✓ Tested
Place missing values after known values portably
SQL Server: A CASE sort key controls NULL placement without relying on engine-specific defaults.
SQL Server✓ Tested
Place missing values after known values portably
Postgres: A CASE sort key controls NULL placement without relying on engine-specific defaults.
Postgres✓ Tested
Place missing values after known values portably
SQLite: A CASE sort key controls NULL placement without relying on engine-specific defaults.
SQLite✓ Tested
Prevent output chatter with separate thresholds
Arduino / C: Use different on and off thresholds to retain state between them.
Arduino / C✓ Tested
Rank tied scores with competition gaps
SQL: RANK leaves a gap after tied rows, unlike DENSE_RANK.
SQL✓ Tested
Rank tied scores with competition gaps
SQL Server: RANK leaves a gap after tied rows, unlike DENSE_RANK.
SQL Server✓ Tested
Rank tied scores with competition gaps
Postgres: RANK leaves a gap after tied rows, unlike DENSE_RANK.
Postgres✓ Tested
Rank tied scores with competition gaps
SQLite: RANK leaves a gap after tied rows, unlike DENSE_RANK.
SQLite✓ Tested
Rank tied scores without gaps
SQL: DENSE_RANK assigns equal ranks to ties and increments by one for the next distinct score.
SQL✓ Tested