Results for “Schema design & transactions”
Small, practical examples. Search by task or narrow things down below.
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
Rank tied scores without gaps
SQL Server: DENSE_RANK assigns equal ranks to ties and increments by one for the next distinct score.
SQL Server✓ Tested
Rank tied scores without gaps
Postgres: DENSE_RANK assigns equal ranks to ties and increments by one for the next distinct score.
Postgres✓ Tested
Rank tied scores without gaps
SQLite: DENSE_RANK assigns equal ranks to ties and increments by one for the next distinct score.
SQLite✓ Tested
Read a JSONB field as text
Extract a nested value from a JSON document.
jsonb✓ Tested
Read a page after a known unique key
SQL: A keyset predicate avoids scanning and discarding an increasing offset on a suitable index.
SQL✓ Tested
Read a page after a known unique key
SQL Server: A keyset predicate avoids scanning and discarding an increasing offset on a suitable index.
SQL Server✓ Tested
Read a page after a known unique key
Postgres: A keyset predicate avoids scanning and discarding an increasing offset on a suitable index.
Postgres✓ Tested