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16. A data manipulation command the combines the records from one or more tables is called
SELECT
PROJECT
JOIN
PRODUCT
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17. _________ is a virtual table that draws its data from the result of an SQL SELECT statement
View
Synonym
Sequence
Transaction
18. _________ data type can store unstructured data
RAW
CHAR
NUMERIC
VARCHAR
19. A relational database contains two tables student and department in which the student table has columns (roll_no, name, and dept_id )and the department table has columns (dept-id and dept-name). The following insert statements were executed successfully to populate the empty tables: Insert into department values (1, 'Mathematics'); Insert into department values(1, 'Physics'); Insert into department values(1, 'Navin', 1); Insert into student values (2, 'Ravi', 2); Insert into student values (3, `Gitu', 1); How many rows and columns will be retrieved by the following SQL, statement? Select * from student, department:
0 row and 4 columns
3 rows and 4 columns
3 rows and 5 columns
6 rows and 5 columns
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