Introduction to SQL SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the original purpose of SQL? To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language To define the data structures All of these To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language To define the data structures All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? SUM MAX All of these COUNT SUM MAX All of these COUNT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following join is also called as an 'inner-join'? Equijoin Self-Join Non-Equijoin None of these Equijoin Self-Join Non-Equijoin None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword GROUP BY instructs the DBMS to group together those rows that have the same value in a column. False True False True 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. The order of occurrence determines the order of evaluation. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. The order of occurrence determines the order of evaluation. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. ANSWER DOWNLOAD EXAMIANS APP
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