Algorithm _______ randomly orders a List\'s elements. a) randomShuffle b) random
ID: 3826611 • Letter: A
Question
Algorithm _______ randomly orders a List's elements.
a) randomShuffle
b) randomPlacement
c) fiftyTwoCardPickup
d) shuffle
If a query includes columns from multiple tables that have the same name, the statement must precede those column names with _________.
a) their database names.
b) their database names and a dot.
c) their table names and a dot.
d) their table names.
Which statement is false?
a) A DELETE statement removes rows from a table.
b) A DELETE statement must specify the table from which to delete.
c) A DELETE statement starts with the keyword DELETE.
d) A WHERE clause must be present in a DELETE statement.
Initially, a ResultSet cursor is positioned _________.
a) before the first row.
b) at the first row.
c) at the last row.
d) after the last row.
SOS
Explanation / Answer
Ans1) Algorithm "shuffle" randomly orders a List's elements.
Ans2) If a query includes columns from multiple tables that have the same name, the statement must precede those column names with "their table names and a dot.".
Ans3) "A WHERE clause must be present in a DELETE statement" is false.
Ans4) Initially, a ResultSet cursor is positioned "before the first row".
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