ODBC is a call-level interface that allows applications to access data in any database for which there is an ODBC driver.
ODBC是一种呼叫层级介面，可允许应用程序在有odbc驱动程序情况下存取资料库的资料。
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Type safety is sadly missing from JDBC's approach to accessing SQL, by the way, because it is a call-level interface and is thus restricted to strings that can only be checked at runtime.