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When the table does not contain a primary key, the values of all columns are used to identify the row to update. When SQL Server Management Studio constructs this statement, the incorrect comparison ...
Suppose I have an Oracle table with two columns, ID (the primary key) and MDATUM (the update key). ID MDATUM 1 NULL 2 NULL 3 2024-09-18 02:00:00.000 Now I upload this table to Snowflake. Next, one row ...