Toad for Oracle 9.5 and Toad for Data Analysis 1.1.0.328 both will install the same QExplain2.dll file under c:\Program Files\Common Files\Quest Shared folder. However, they have different versions. Toad's version is 6.0.5.1016 and TDA's version is 6.0.5.1019.
What is the difference and are they designed to be backwards compatible?
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