Which of the following characteristics is typical of relational databases in unnormalized form (select all that apply)? long SQL statement to search for a small set of records increased data redundancy or wasted space more rows and fewer columns in the attribute table updating the table is a slow and tedious process QUESTION 2 What attribute field was used to produce output by joining Inputs 1 and 2? INDIIT 1 INPUT 2 ID Type Color Size Union Difference Intersect Join UESTION 4 ch relational algeb Intersect Union Join Difference Intersect Difference Union Join QUESTION 6 Which relational algebra operator was used to produce the output file below given the two input files? indit 1 ITPII Intersect Difference Union Join