Note that these function might return the check sum differently in different SQL dialects — e.g. as signed or unsigned number.
Other polynomials: CRC-32 (Algorithm) in SQL
Hash algorithms: MD5, SHA1, SHA2-224, SHA2-256, SHA2-384, SHA2-512
The SQL-Standard ISO/IEC 9075-2 does not define functions to calculate CRC-32 checksums.
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