Oracle - SELECT INSERT INSERT ALL DELETE UPDATE TRUCATE MCQ

Oracle – SELECT INSERT INSERT ALL DELETE UPDATE TRUCATE

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1. Which SQL statement is used to retrieve data from one or more database tables in Oracle?

INSERT

SELECT

DELETE

UPDATE

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2. What is the primary purpose of the SELECT statement in Oracle SQL?

To delete data from a table.

To update data in a table.

To insert data into a table.

To retrieve data from one or more tables.

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3. Which SQL statement is used to insert data into a table in Oracle?

SELECT

INSERT

UPDATE

DELETE

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4. In Oracle, which SQL statement allows you to insert multiple rows into a table with a single statement?

INSERT

INSERT VALUES

INSERT ALL

INSERT INTO

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5. What is the primary purpose of the INSERT statement in Oracle SQL?

To insert data into a table.

To retrieve data from one or more tables.

To update data in a table.

To delete data from a table.

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6. Which SQL statement is used to remove data from a table in Oracle?

UPDATE

DELETE

SELECT

INSERT

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7. In Oracle, which SQL statement allows you to delete all rows from a table and release the space allocated to the table?

PURGE

DELETE

TRUNCATE

DROP

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8. What is the primary purpose of the DELETE statement in Oracle SQL?

To insert data into a table.

To update data in a table.

To delete data from a table.

To retrieve data from one or more tables.

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9. Which SQL statement is used to modify existing data in a table in Oracle?

DELETE

INSERT

SELECT

UPDATE

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10. In Oracle, which SQL statement allows you to update specific columns and rows in a table?

MODIFY

CHANGE

UPDATE

ALTER

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11. What is the primary purpose of the UPDATE statement in Oracle SQL?

To retrieve data from one or more tables.

To insert data into a table.

To delete data from a table.

To update data in a table.

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12. Which SQL statement is used to remove all rows from a table in Oracle, but it does not release the space allocated to the table?

DELETE

DROP

PURGE

TRUNCATE

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13. In Oracle, which SQL statement allows you to remove all rows from a table and reset the high-water mark for the table?

TRUNCATE

DELETE

DROP

PURGE

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14. What is the primary purpose of the TRUNCATE statement in Oracle SQL?

To update data in a table.

To retrieve data from one or more tables.

To insert data into a table.

To delete data from a table and release space.

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15. Which SQL statement is used to remove a table and all associated data and objects in Oracle?

PURGE

DROP

TRUNCATE

DELETE

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16. In Oracle, which SQL statement allows you to delete data from a table based on specified conditions?

DROP

DELETE

TRUNCATE

PURGE

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17. What is the primary purpose of the DROP statement in Oracle SQL?

To insert data into a table.

To delete data from a table.

To retrieve data from one or more tables.

To remove a table and associated objects.

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18. Which SQL statement is used to retrieve data from one or more tables in Oracle based on specified conditions?

INSERT

SELECT

DELETE

UPDATE

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19. In Oracle, which SQL statement allows you to insert data into a table by selecting data from another table or query result?

INSERT

INSERT INTO

SELECT

INSERT VALUES

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20. What is the primary purpose of the INSERT ALL statement in Oracle SQL?

To delete data from a table.

To insert data into a table from multiple sources.

To retrieve data from one or more tables.

To update data in a table.

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21. Which SQL statement is used to retrieve all rows and columns from a table in Oracle?

SELECT ALL FROM table_name

SELECT table_name

SELECT * FROM table_name

SELECT FROM table_name

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22. In Oracle, which SQL statement allows you to insert data into a table by specifying values for each column?

SELECT

INSERT INTO

INSERT

INSERT VALUES

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23. What is the primary purpose of the INSERT INTO statement in Oracle SQL?

To retrieve data from one or more tables.

To update data in a table.

To delete data from a table.

To insert data into a table.

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24. Which SQL statement is used to retrieve distinct values from a column in Oracle?

SELECT column_name FROM table_name UNIQUE

SELECT UNIQUE column_name FROM table_name

SELECT column_name FROM table_name DISTINCT

SELECT DISTINCT column_name FROM table_name

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Oracle – SELECT INSERT INSERT ALL DELETE UPDATE TRUCATE MCQ