Basic SQL Queries: SELECT and FROM
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Information Technology (IT), Architecture
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KG - University
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Hard
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4 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the role of the primary key in a database table?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
How does limiting the number of columns in a query improve performance?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
How can you differentiate between multiple tables in a SQL query?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What are the consequences of using SELECT * in larger databases?
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