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Database - Introduction to SQL

Exercise : Introduction to SQL - General Questions
1.
You can add a row using SQL in a database with which of the following?
ADD
CREATE
INSERT
MAKE
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The command to remove rows from a table 'CUSTOMER' is:
REMOVE FROM CUSTOMER ...
DROP FROM CUSTOMER ...
DELETE FROM CUSTOMER WHERE ...
UPDATE FROM CUSTOMER ...
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The SQL WHERE clause:
limits the column data that are returned.
limits the row data are returned.
Both A and B are correct.
Neither A nor B are correct.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Which of the following is the original purpose of SQL?
To specify the syntax and semantics of SQL data definition language
To specify the syntax and semantics of SQL manipulation language
To define the data structures
All of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The wildcard in a WHERE clause is useful when?
An exact match is necessary in a SELECT statement.
An exact match is not possible in a SELECT statement.
An exact match is necessary in a CREATE statement.
An exact match is not possible in a CREATE statement.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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