Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Nothing TRUE Hi FLASE Nothing TRUE Hi FLASE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which operator performs pattern matching? BETWEEN operator EXISTS operator LIKE operator None of these BETWEEN operator EXISTS operator LIKE operator None of these 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 benefits of a standard relational language include which of the following? Reduced training costs All of these Increased dependence on a single vendor Applications are not needed Reduced training costs All of these Increased dependence on a single vendor Applications are not needed ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included. UNIQUE SINGLE DISTINCT ONLY UNIQUE SINGLE DISTINCT ONLY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of columns. groups. distinct values. values. columns. groups. distinct values. values. ANSWER DOWNLOAD EXAMIANS APP