From this link : CAST is an ANSI standard while CONVERT is a specific function in the SQL server. There are also differences when it comes ... ... <看更多>

Both CAST and CONVERT are functions used to convert one data type to another data type. The Microsoft ... ... <看更多>

If the cast of the column is to exactly the same datatype and length and the seek predicate is a literal it does indeed seem to disregard it or treat it as ... ... <看更多>