Introduction to SQL What operator tests column for the absence of data? IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator None of these EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The keyword LIKE can be used in a WHERE clause to refer to a range of values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Most companies keep at least two versions of any database they are using. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL; prints 045.926 is illegal prints 50 prints garbage prints 045.926 is illegal prints 50 prints garbage ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: an operating system. a DBMS. a programming language. a data sublanguage. an operating system. a DBMS. a programming language. a data sublanguage. ANSWER DOWNLOAD EXAMIANS APP
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