Impedance Mismatch Problem

1.What is the impedance mismatch problem? Which of the three programming approaches minimizes this problem?

2,Describe the concept of a cursor and how it is used in embedded SQL.

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3.Why are scripting languages popular for programming Web applications? Where in the three-tier architecture does a PHP program execute? Where does a JavaScript program execute?

4 What type of programming language is PHP?


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