SET NULL on delete foreign key not available even when column is nullable · Issue #391 · TablePlus/TablePlus · GitHub
SQL tutorial 19: ON DELETE SET NULL clause of Foreign Key By Manish Sharma (RebellionRider) - YouTube
On Delete Cascade or Null | PDF
database - Oracle - On Delete/On Update - Stack Overflow
SQL Server Foreign Key Update and Delete Rules
SOLVED: Which of the following actions cannot be specified as part of the foreign key constraint regarding the deletion of tuples from the referencing relation: ON DELETE CASCADE ON DELETE SET NULL