Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. 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 > ALL (SELECT SALARY FROM EMPLOYEE);prints 9 5 10 0 9 5 10 0 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? MAX SUM COUNT All of these MAX SUM COUNT All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL query and modification commands make up a(n) ________ . DML DDL HTML XML DML DDL HTML XML ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command(s) is(are) used to change a table's storage characteristics? CHANGE TABLE All of these MODIFY TABLE ALTER TABLE CHANGE TABLE All of these MODIFY TABLE ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the full form of SQL? Structured Query List None of these Structured Query Language Simple Query Language Structured Query List None of these Structured Query Language Simple Query Language ANSWER DOWNLOAD EXAMIANS APP
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