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A primary key column can contain NULL values.
False
True
The DEFAULT constraint inserts a default value into a column.
False
True
This query returns all the columns from the table Employee: SELECT + FROM Employee
False
True
We use the DIFFERENT keyword to retrieve different values, for example: SELECT DIFFERENT column_name FROM table_name;
False
True
This query is correct: SELECT * FROM employee WHERE age BETWEEN 20 AND 25;
False
True
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