Question

which of the following is a valid select statement? a.SELECT order#' was shipped on' shipdate FROM ORDERS; b.SELECT order# was shipped on shipdate FROM ORDERS: c.SELECT order#, was shipped on, shipdate FROM ORDERS: d.SELECT order# l' was shipped on ' || shipdate FROM ORDERS:

Answer 1

The valid SQL SELECT statement for concatenating strings and retrieving order information from a database is option d, which uses the '||' operator for concatenation.

Step-by-step explanation:

The question is asking to identify a valid SQL SELECT statement for retrieving data from a database. The correct option is d.SELECT order# || ' was shipped on ' || shipdate FROM ORDERS, where '||' is the concatenation operator used in SQL to join strings together.

The syntax here assumes that 'order#' and 'shipdate' are columns in the 'ORDERS' table, and the result will be a string combining order numbers with the text 'was shipped on' followed by their corresponding ship dates.

The valid SELECT statement is option a.

SELECT order#' was shipped on' shipdate FROM ORDERS;

Option a is the correct syntax for a SELECT statement. It selects the 'order#' and 'shipdate' columns from the 'ORDERS' table. The output of this query would be all the 'order#'s along with the phrase 'was shipped on' and the corresponding 'shipdate'.