Introduction to SQL SQL query and modification commands make up a(n) ________ . XML DDL DML HTML XML DDL DML HTML ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To establish a range of values, < and > can be used. False True False True 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 If a query involves NOT, AND, OR with no parenthesis NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. The order of occurrence determines the order of evaluation. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. The order of occurrence determines the order of evaluation. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? All of these SUM COUNT MAX All of these SUM COUNT MAX 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 0 10 5 9 0 10 5 9 ANSWER DOWNLOAD EXAMIANS APP