Intro to information systems

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Reference no: EM132270135

1. List all courses that have "Intro to Information Systems" as prerequisite (HINT: use a subquery)

2. For all students who have phone area code 212, change the code to 202 while keeping the same phone number (HINT: consider using functions such as SUBSTR and LENGTH)

Reference no: EM132270135

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Intro to information systems : 1. List all courses that have "Intro to Information Systems" as prerequisite (HINT: use a subquery)
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