Introduction to SQL A subquery in an SQL SELECT statement: can always be duplicated by a join. has a distinct form that cannot be duplicated by a join. cannot have its results sorted using ORDER BY. can only be used with two tables. can always be duplicated by a join. has a distinct form that cannot be duplicated by a join. cannot have its results sorted using ORDER BY. can only be used with two tables. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL How to select all data from student table starting the name from letter 'r'? SELECT * FROM student WHERE name LIKE 'r%'; SELECT * FROM student WHERE name LIKE '_r%'; SELECT * FROM student WHERE name LIKE '%r%'; SELECT * FROM student WHERE name LIKE '%r'; SELECT * FROM student WHERE name LIKE 'r%'; SELECT * FROM student WHERE name LIKE '_r%'; SELECT * FROM student WHERE name LIKE '%r%'; SELECT * FROM student WHERE name LIKE '%r'; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ............. joins two or more tables based on a specified column value not equaling a specified column value in another table. NON-EQUIJOIN NATURAL JOIN EQUIJOIN OUTER JOIN NON-EQUIJOIN NATURAL JOIN EQUIJOIN OUTER JOIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The rows of the result relation produced by a SELECT statement can be sorted, but only by one column. True False True False 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 > ALL (SELECT SALARY FROM EMPLOYEE);prints 0 5 9 10 0 5 9 10 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? DELETE ROLLBACK TRUNCATE COMMIT DELETE ROLLBACK TRUNCATE COMMIT ANSWER DOWNLOAD EXAMIANS APP
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