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Introduction to SQL

Introduction to SQL
The condition in a WHERE clause can refer to only one value.

True
False

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Introduction to SQL
The ADD command is used to enter one row of data or to add multiple rows as a result of a query.

True
False

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Introduction to SQL
In SQL, which of the following is not a data definition language commands?

REVOKE
RENAME
UPDATE
GRANT

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Introduction to SQL
............. joins two or more tables based on a specified column value not equaling a specified column value in another table.

NATURAL JOIN
NON-EQUIJOIN
EQUIJOIN
OUTER JOIN

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Introduction to SQL
Which of the following is a valid SQL type?

NUMERIC
CHARACTER
All of these
FLOAT

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Introduction to SQL
The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL;

6789
1234
456789
2345

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