Question

d. Primary key is a column that

1. uniquely identifies each row of table
2.occurs twice in the table
3.is always sorted in ascending order in the table
4.stores names in the school database​

Answer 1

Answer:

mark as brilliant

Explanation:

relational database, a candidate key uniquely identifies each row of data values in a database table. ... No two distinct rows or data records in a database table can have the same data value (or combination of data values) in those candidate key columns since NULL values are not used.

Answer 2

Answer:

1.uniquely identifies each row of table

Explanation:

if it is right then mark me as brainliest