INSERT INTO CUSTOMER VALUES (1,'Michael','Claire','27 Smith St Caulfield','0419 853 694');
INSERT INTO CUSTOMER VALUES (2,'Johnson','Jake','27 Smith St Caulfield','0415 713 598');
It means that one of the columns in the table is numeric, but you are trying to insert a string that cannot be converted to a number automatically.
You have to review your table’s columns’ data types and insert correct data.
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