A table ‘student’ has 3 columns and 10 rows and another table ‘student 2’ has the same columns as student but 15 rows.

Question

A table ‘student’ has 3 columns and 10 rows and another table ‘student 2’ has the same columns as student but 15 rows.

A table ‘student’ has 3 columns and 10 rows and another table ‘student 2’ has the same columns as student but 15 rows. 5 rows are common in both the tables. If we take union, what is the degree and cardinality of the resultant table ?

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

A sitar wire is replaced by another wire of same length and material but of three times the earlier radius.

1 Answers 5 Views

What is the difference between ‘Rows’ and ‘Columns’ in a table?

1 Answers 4 Views

Key field is a unique identifier for each record. It is defined in the form of (a) rows (b) columns

1 Answers 5 Views

In a table, columns are called ………. and rows are called ………… .

1 Answers 4 Views

In the rules attribute, the………… value helps to display a table border only between rows.

1 Answers 4 Views

A table ‘customer’ has 10 columns but no row. Later, 10 new rows are inserted and 3 rows are deleted in the table.

1 Answers 7 Views

A table ‘student’ has 4 columns and 10 rows and ‘student 2’ has 5 columns and 5 rows.

1 Answers 5 Views

Deepika wants to remove all rows from the table BANK. But he needs to maintain the structure of the table.

1 Answers 5 Views

What are horizontal rows and vertical columns in a periodic table known as?

1 Answers 4 Views

Two rods A and B of the same metal, same length, but one solid and the other hollow, are heated to the same rise in temperature.

1 Answers 6 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Degree = 3

Cardinality = 30 (20 + 15 – 5)

4 views Answered 2023-02-05 15:29