In SQL we support non-standard clause called ON CONFLICT / OR. It is not a separate clause which can appear in INSERT/UPDATE statements or as a column option in CREATE TABLE statements. See examples ...

Fast way to insert and update a very large list of rows in My SQL using C# Problem is that large list of data are insert and update operations in My SQL are very slow if you use SqlCommand in the one ...

CREATE TABLE - creates a new database table ALTER TABLE - alters a database table DROP TABLE - deletes a database table CREATE INDEX - creates an index (search key) DROP INDEX - deletes an index SQL ...