Explicit conversion, or casting, is when programmers manually convert data types, necessary for downsizing types or converting incompatible types, but carries risks of data or precision loss.

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Problem and My comments 'agtype' cannot cast to other Data Type 'agtype' cannot cast to string like 'text'. ... I've tried many PG functions which convert json data type like 'to_json()', ... so ...

For example, when developers do a like-for-like translation between COBOL data types and types in Java, they run into semantic differences in how they behave in edge cases such as integer overflow, he ...