In SQL the statement select * from R, S is equivalent toSelect * from R union join SSelect * from R cross join SSelect * from R inner join SSelect * from R natural join S

Which of the following SQL keywords is used to perform a Cartesian product in SQL?JOINCROSS JOINUNIONINNER JOIN

the following contents Suppose that R(A B) and S B, C are two tables and that currently they have BC 2333 3 2S4 How many rows are in the table produced by the query SELECT * FROM R NATURAL JOIN S: Moving to another question will save this response Question 7 of 13》 Search

SELECT *FROM student JOIN takes USING (ID);The above query is equivalent toSELECT *FROM student INNER JOIN takes USING (ID);SELECT *FROM student LEFT OUTER JOIN takes USING (ID);NONE OF the mentionedSELECT *FROM student OUTER JOIN takes USING (ID);

The _______ join is based on all columns in the two tables that have the same  column name.Select one:a.Crossb.Left Outerc.Naturald.Full Outer

Which of the following are types of joins in SQL?Answer choicesSelect an optionCross joinNatural joinLeft joinAll of the above