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SQLReporting & grouped calculations

Distinguish row count from non-null value count

SQL: COUNT(*) includes every row while COUNT(column) skips NULL values.

SQL✓ Tested
SQL ServerReporting & grouped calculations

Distinguish row count from non-null value count

SQL Server: COUNT(*) includes every row while COUNT(column) skips NULL values.

SQL Server✓ Tested
PostgresReporting & grouped calculations

Distinguish row count from non-null value count

Postgres: COUNT(*) includes every row while COUNT(column) skips NULL values.

Postgres✓ Tested
SQLiteReporting & grouped calculations

Distinguish row count from non-null value count

SQLite: COUNT(*) includes every row while COUNT(column) skips NULL values.

SQLite✓ Tested
SQLiteTables & writes

Enable and use foreign keys

Turn on relationship enforcement for the connection.

foreign keys✓ Tested
SQLConstraints & defaults

Enforce a bounded numeric range

SQL: A named CHECK constraint keeps numeric values inside an inclusive interval.

SQL✓ Tested
SQL ServerConstraints & defaults

Enforce a bounded numeric range

SQL Server: A named CHECK constraint keeps numeric values inside an inclusive interval.

SQL Server✓ Tested
PostgresConstraints & defaults

Enforce a bounded numeric range

Postgres: A named CHECK constraint keeps numeric values inside an inclusive interval.

Postgres✓ Tested
SQLiteConstraints & defaults

Enforce a bounded numeric range

SQLite: A named CHECK constraint keeps numeric values inside an inclusive interval.

SQLite✓ Tested
SQLSchema design & transactions

Enforce a relationship between two columns

SQL: A row-level CHECK can require a start value to be no greater than an end value.

SQL✓ Tested
SQL ServerSchema design & transactions

Enforce a relationship between two columns

SQL Server: A row-level CHECK can require a start value to be no greater than an end value.

SQL Server✓ Tested
PostgresSchema design & transactions

Enforce a relationship between two columns

Postgres: A row-level CHECK can require a start value to be no greater than an end value.

Postgres✓ Tested