Introduction to SQL If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes can usually be created for both primary and secondary keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL provides the AS keyword, which can be used to assign meaningful column names to the results of queries using the SQL built-in functions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: a DBMS. a data sublanguage. an operating system. a programming language. a DBMS. a data sublanguage. an operating system. a programming language. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following must be enclosed in double quotes? Column Alias Dates Strings All of these Column Alias Dates Strings All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? NOT operator EXISTS operator None of these IS NULL operator NOT operator EXISTS operator None of these IS NULL operator ANSWER DOWNLOAD EXAMIANS APP
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