https://learn.microsoft.com/en-us/sql/t-sql/data-types/smalldatetime-transact-sql?view=sql-server-2017
smalldatetime (Transact-SQL) - SQL Server | Microsoft Learn
Defines a date that is combined with a time of day, based on a 24-hour day with seconds always zero, and no fractional seconds.
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https://userapps.support.sap.com/sap/support/knowledge/en/3505876
3505876 - Data mismatch for smalldatetime column -SRS | SAP Knowledge Base Article
Warm Standby Replication from ASE to ASE Observed data difference for a column with smalldatetime column between primary and replicated database. Example....
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