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 True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command(s) is(are) used to change a table's storage characteristics? All of these MODIFY TABLE ALTER TABLE CHANGE TABLE All of these MODIFY TABLE ALTER TABLE CHANGE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is a view? A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are. A view is a special stored procedure executed when certain event occurs. A view is a database diagram. None of these A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are. A view is a special stored procedure executed when certain event occurs. A view is a database diagram. None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints 9 10 0 5 9 10 0 5 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the names of the countries whose condition is sunny. SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE condition = 'sunny'; SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE condition = 'sunny'; SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); ANSWER DOWNLOAD EXAMIANS APP
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