MySQL table primary keys and unique indexes prevent multiple rows with the same index from being added to the table. If you try to insert a duplicate row with a ...
H2's MySQL mode currently supports the traditional VALUES() function but lacks support for the VALUES alias syntax that MySQL introduced in 8.0.19. This creates compatibility issues when using library ...
Performance of a single-statement bulk UPDATE vs. an INSERT…ON DUPLICATE KEY UPDATE (Laravel framework test). Lower execution time is better. The upsert method scales better for large batches, ...