<ul><li>Hibernate queries for DB2 z/OS may generate unnecessary cast statements, causing compatibility issues post Hibernate 6 upgrade.</li><li>Errors like 'Could not convert java.lang.Character to java.lang.String' can occur due to char to String casting in queries.</li><li>Solutions include updating repository method signatures, creating custom dialects, and using CriteriaBuilder to handle casting issues.</li><li>Ensure thorough testing of changes to maintain functionality while resolving cast problems in Hibernate queries for DB2 z/OS.</li></ul>

How to Remove Cast in Hibernate Queries for DB2 z/OS?

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