The prefix of common database parameters indicates compliance with

It is possible to parameterize SQL statements differently, such as in Access, where parameterized SQL statements are directly "?" In Parameters. As the parameter name, in SQL Server is the parameter has "@" prefix, in MySQL is the parameter has "?" Prefix, in Oracle the parameters are prefixed with ":".
Note: because parameter names are "?" in access, assigning values to parameters must be assigned in the order of the columns, otherwise there is a possibility of error execution.

The prefix of common database parameters indicates compliance with