Client Server Database
Three-tier architecture includes which of the following?

A client layer and two server layers
Two client layers and one server layer
Three client layers
Three server layers

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Client Server Database
Which of the following statements is a true statement concerning the open database connectivity standard (ODBC)?

Requires certain criteria to be met in order to establish an ODBC connection.
Each vendor desiring to be ODBC-complaint provides an ODBC driver.
All of these
Provides a programming interface that provides a common language for application programs to access and process SQL databases independent of the RDBMS accessed.

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