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Course 2000032
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What does the following declaration create?
ch := make(chan int, 3)❌
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What are the length and capacity of s after the following code?
s := make([]int, 3, 5)
s = append(s, 10)
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Which Go type stores key-value pairs?
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Which built-in function is commonly used to add elements to a slice?
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What is the primary role of DNS?
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Which SQL clause is used to filter rows according to a condition?
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Which syntax creates an unbuffered channel of int values?
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What is the zero value of an int variable in Go?
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Does creating an index typically slow down or speed up write operations (INSERT/UPDATE/DELETE)?
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What happens if you try to insert a row with a foreign key value that doesn't exist in the referenced table?
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