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Web development quizzes
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This query returns all the columns from the table Employee: SELECT + FROM Employee
False
True
This query is correct: SELECT column1 FROM table1 UNION SELECT column2 FROM table2;
False
True
A SELECT statement is a data definition language (DDL).
False
True
The DEFAULT constraint inserts a default value into a column.
False
True
LEFT JOIN returns all rows when there is at least one match in BOTH tables
False
True
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