Introduction to SQL Which of the following group functions ignore NULL values? COUNT MAX All of these SUM COUNT MAX All of these SUM ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword BETWEEN is used: None of these for ranges. as a wildcard. to limit the columns displayed. None of these for ranges. as a wildcard. to limit the columns displayed. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the original purpose of SQL? To define the data structures All of these To specify the syntax and semantics of SQL manipulation language To specify the syntax and semantics of SQL data definition language To define the data structures All of these To specify the syntax and semantics of SQL manipulation language To specify the syntax and semantics of SQL data definition language ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: an operating system. a DBMS. a data sublanguage. a programming language. an operating system. a DBMS. a data sublanguage. a programming language. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL; 6789 2345 1234 456789 6789 2345 1234 456789 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS