True

False

You obtain the results retrieved from the public synonym HR created by the DBA.

You obtain the results retrieved from the HR table that belongs to you schema.

You get an error message because you cannot retrieve from a table that has the same name as a public synonym.

You obtain the results retrieved from both the publich synonym HR and the HR table that belongs to your schema, as a Cartesian product.

A view can be created as read only.

A view can be created as a join of two or more tables.

A view can not have an ORDER BY clause in the SELECT statement.

A view can not be created with a GROUP BY clause in the SELECT statement.

A main query can have mroe than one subquery.

A subquery can have more than one main query.

The sub query and main query must retrieve data from the same table.

The subquery and main query can retrieve data from different tables.

Only one column or expression can be compared between the subquery and main query.

Convert any date literal to a date.

Convert any numeric literal to a date.

Convert any character literal to a date.

Convert any date literal to a character literal

Format '10-JAN-99' to 'January 10 1999'.

The start value of the sequence is always 1.

The sequence always increments by 1.

The minimum value of an ascending sequence defaults to 1.

The maximum value of descending sequence defaults to 1.

An error is generated.

A public synonym is created for employees table.

You create an alternative name for the employees table of HR schema in HR schema

You create an alternative name for the employees table of HR schema in SCOTT schema

INSERT INTO employees VALUES (NULL, 'JOHN','Smith');

. INSERT INTO employees( first_name, last_name) VALUES ('JOHN','Smith');

INSERT INTO employees VALUES ('1000','JOHN','NULL');

INSERT INTO employees(first_name,last_name, employee_id) VALUES ('1000, 'john','Smith');

. INSERT INTO employees (employee_id) VALUES (1000);

INSERT INTO employees (employee_id, first_name, last_name) VALUES ( 1000, 'john',");

GRANT select, insert, update ON student_grades TO manager

GRANT select, insert, update ON student_grades TO ROLE manager

GRANT select, insert, modify ON student_grades TO manager WITH GRANT OPTION;

GRANT select, insert, update ON student_grades TO manager WITH GRANT OPTION;

You can use aggregate functions in any caluse of the SELECT statement.

You can user aggregate funcitons only in column list of select clause and where clause of select statement.

You can mix single row functions with aggregate functions in the column list of a SELECT statement by grouping on single row columns.

You can pass column names, expressions, constants, or functions as parameter to an aggregate function.

SELECT

DELETE

EXECUTE

ALTER TABLE

CREATE TABLE

You obtain the results retrieved from the public synonym HR created by the database administrator.

You obtain the results retrieved from the HR table that belongs to your schema

You get an error message because you cannot retrieve from a table that has the same name as a public synonym

You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a Cartesian product.

The statement produces an error at line 1.

The statement produces an error at line 3

The statement produces an error at line 6.

The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all departments that pay less salary then the maximum salary paid in the company

The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all employees who earn less than the maximum salary in their department.

The SQL statement displays the desired results

The column in the WHERE clause should be changed to display the desired results

The operator in the WHERE clause should be changed to display the desired results

The WHERE clause should be changed to use an outer join to display the desired results

NOT NULL

PRIMARY KEY

FOREIGN KEY

CHECK

UNIQUE

A single row subquery can retrieve data from only one table

A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.

A SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.

A single row subquery can retrieve data from more than one table

A single row subquery cannot be used in a condition where the LIKE operator is used for comparison

A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.

The DESCRIBE DEPT statement displays the structure of the DEPT table

The ROLLBACK statement frees the storage space occupies by the DEPT table

The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist

The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.

MERGE

INSERT

UPDATE

ADD

ENTER

Both tables have NULL values

You want all unmatched data from one table

You want all matched data from both tables

You want all unmatched data from both tables

One of the tables has more data than the other

You want all matched and unmatched data from only one table

Index Sequential

Via Set

Calc

Direct