|
Title: Assume a designer is using the UNION operator to combine the results from two tables with identical ... Post by: kaledai on Jan 30, 2018 Assume a designer is using the UNION operator to combine the results from two tables with identical structure, CUSTOMER and CUSTOMER_2 . The CUSTOMER table contains 10 rows, while the CUSTOMER_2 table contains 7 rows. Customers Jenna and Howard are included in the CUSTOMER table as well as in the CUSTOMER_2 table. How many records are returned when using the UNION operator?
a. 7 b. 10 c. 15 d. 17 Title: Assume a designer is using the UNION operator to combine the results from two tables with identical ... Post by: vulshafer15 on Jan 30, 2018 Content hidden
Title: Assume a designer is using the UNION operator to combine the results from two tables with identical ... Post by: kaledai on Jan 30, 2018 Makes more sense now, ty
|