Results for “Traversal & selection”
Small, practical examples. Search by task or narrow things down below.
Find the second-highest distinct value
SQLite: Select the maximum below the overall maximum to skip ties at the top.
SQLite✓ Tested
Include every row tied for the highest score
SQL: Compare with MAX rather than limiting to an arbitrary number of rows.
SQL✓ Tested
Include every row tied for the highest score
SQL Server: Compare with MAX rather than limiting to an arbitrary number of rows.
SQL Server✓ Tested
Include every row tied for the highest score
Postgres: Compare with MAX rather than limiting to an arbitrary number of rows.
Postgres✓ Tested
Include every row tied for the highest score
SQLite: Compare with MAX rather than limiting to an arbitrary number of rows.
SQLite✓ Tested
Include missing values in a not-equal filter
SQL: Ordinary inequality does not include NULL; explicitly include it when that is the intended rule.
SQL✓ Tested
Include missing values in a not-equal filter
SQL Server: Ordinary inequality does not include NULL; explicitly include it when that is the intended rule.
SQL Server✓ Tested
Include missing values in a not-equal filter
Postgres: Ordinary inequality does not include NULL; explicitly include it when that is the intended rule.
Postgres✓ Tested
Include missing values in a not-equal filter
SQLite: Ordinary inequality does not include NULL; explicitly include it when that is the intended rule.
SQLite✓ Tested
List all files stored in a commit
Git: ls-tree inspects the committed tree without relying on working files.
Git✓ Tested
List files changed by the current commit
Git: diff-tree exposes the paths changed between a commit and its parent.
Git✓ Tested
Read a complete commit message
Git: The B placeholder includes the subject and body without extra metadata.
Git✓ Tested