Discussion
The benefits of a standard relational language include which of the following?
Answer: A
Correct answer: Reduced training costs
A standard language means the skill transfers. Someone who knows SQL can work with Oracle, PostgreSQL, MySQL or SQL Server without learning a new query language for each, so training costs fall and staff are easier to recruit.
The second option states the opposite of a benefit: a standard reduces dependence on a single vendor, since applications can be moved. And applications are certainly still needed - SQL queries the data; it does not supply the interface or the business logic around it.
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