Informatics Practices
A table "TRAINS" in a database has degree 3 and cardinality 8. What is the number of rows and columns in it ?
SQL Joins & Grouping
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Answer
The "TRAINS" table in the database has a degree of 3, indicating it contains three attributes or columns and it has a cardinality of 8, indicating it consists of eight rows or tuples. Therefore, the "TRAINS" table has 8 rows and 3 columns.
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