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Database - Introduction to SQL

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Exercise

"I never think of the future. It comes soon enough."
- Albert Einstein
1. 

You can add a row using SQL in a database with which of the following?

A. ADDB. CREATE
C. INSERTD. MAKE

2. 

The command to remove rows from a table 'CUSTOMER' is:

A. REMOVE FROM CUSTOMER ...
B. DROP FROM CUSTOMER ...
C. DELETE FROM CUSTOMER WHERE ...
D. UPDATE FROM CUSTOMER ...

3. 

The SQL WHERE clause:

A. limits the column data that are returned.
B. limits the row data are returned.
C. Both A and B are correct.
D. Neither A nor B are correct.

4. 

Which of the following is the original purpose of SQL?

A. To specify the syntax and semantics of SQL data definition language
B. To specify the syntax and semantics of SQL manipulation language
C. To define the data structures
D. All of the above.

5. 

The wildcard in a WHERE clause is useful when?

A. An exact match is necessary in a SELECT statement.
B. An exact match is not possible in a SELECT statement.
C. An exact match is necessary in a CREATE statement.
D. An exact match is not possible in a CREATE statement.




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