What is true about non-equijoin statement performance? (Choose two.)

The correct answer is B. The join syntax used makes no difference to performance. C. Table aliases can improve performance. There's no performance benefit or hit by using ANSI joins rather than traditional joins, but by using ANSI joins, your queries are more portable between DBMS platforms, and they're a bit

Displaying Data from Multiple Tables Using Joins

Question

Options

AThe BETWEEN condition always performs less well than using the >= and <= conditions.
BThe join syntax used makes no difference to performance.
CTable aliases can improve performance.
DThe BETWEEN condition always performs better than using the >= and <= conditions.
EThe Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax.

How the community answered

(21 responses)

A
10% (2)
B
81% (17)
D
5% (1)
E
5% (1)

Explanation

There's no performance benefit or hit by using ANSI joins rather than traditional joins, but by using ANSI joins, your queries are more portable between DBMS platforms, and they're a bit

Topics

#non-equijoin#BETWEEN#join performance#table aliases

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