【多选题】
A <{p}>The Orade join syntax performs better than the SQL:1999 compliant ANSI join syntax.<{br/}><{/p}>
B <{p}>Table aliases can improve performance.<{br/}><{/p}>
C <{p}>The BETWEEN condition always performs less well than using the >= and <= conditions.<{br/}><{/p}>
D <{p}>The join syntax used makes no difference to performance.<{br/}><{/p}>
E <{p}>The BETWEEN condition always perfoms better than using the >= and <= conditions.<{br/}><{/p}>
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