Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following command makes the updates performed by the transaction permanent in the database? DELETE ROLLBACK COMMIT TRUNCATE DELETE ROLLBACK COMMIT TRUNCATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If a query involves NOT, AND, OR with no parenthesis 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. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. The order of occurrence determines the order of evaluation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following are the five built-in functions provided by SQL? COUNT, SUM, AVG, MAX, MIN SUM, AVG, MIN, MAX, NAME SUM, AVG, MULT, DIV, MIN SUM, AVG, MIN, MAX, MULT COUNT, SUM, AVG, MAX, MIN SUM, AVG, MIN, MAX, NAME SUM, AVG, MULT, DIV, MIN SUM, AVG, MIN, MAX, MULT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following join is also called as an 'inner-join'? Non-Equijoin Self-Join Equijoin None of these Non-Equijoin Self-Join Equijoin None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: an operating system. a data sublanguage. a DBMS. a programming language. an operating system. a data sublanguage. a DBMS. a programming language. ANSWER DOWNLOAD EXAMIANS APP
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