A.支付结算
B.汇兑转帐
C.储蓄功能
D.循环信贷
E.项目贷款
第1题
A.selection, projection, join
B.difference, projection, join
C.selection, intersection, join
D.intersection, projection, join
E.difference, projection, product
第2题
A. Selection, projection, join
B. Difference, projection, join
C. Selection, intersection, join
D. Intersection, projection, join
E. Difference, projection, product
第3题
Evaluate this SQL statement:e.employee_id, (.15* e.salary) + (.5 * e.commission_pct)+ (s.sales_amount * (.35 * e.bonus)) AS CALC_VALUEFROM employees e, sales sWHERE e.employee_id = s.emp_id;What will happen if you remove all the parentheses from the calculation?()
A.The value displayed in the CALC_VALUE column will be lower.
B.The value displayed in the CALC_VALUE column will be higher.
C.There will be no difference in the value displayed in the CALC_VALUE column.
D.An error will be reported.
第4题
A. 0
B. 1
C. 0.00
D. An error statement
第5题
A.Selection, projection, join
B. Difference, projection, join
C. Selection, intersection, join
D. Intersection, projection, join
E. Difference, projection, product
第6题
A. 17000.00
B. 17000*****
C. ****170.00
D. **17000.00
E. an error statement
第8题
A. 0
B. 1
C. 0.00
D. An error statement
第9题
A.46 and 45
B. 46 and 45.93
C. 50 and 45.93
D. 50 and 45.9
E. 45 and 45.93
F. 45.95 and 45.93
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!