Introduction to SQL Which operator performs pattern matching? None of these BETWEEN operator LIKE operator EXISTS operator None of these BETWEEN operator LIKE operator EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that: None of these all columns of the table are to be returned. all records with even partial criteria met are to be returned. all records meeting the full criteria are to be returned. None of these all columns of the table are to be returned. all records with even partial criteria met are to be returned. all records meeting the full criteria are to be returned. 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 Which of the following group functions ignore NULL values? MAX SUM COUNT All of these MAX SUM COUNT All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve only unique values? DISTINCTIVE DIFFERENT UNIQUE DISTINCT DISTINCTIVE DIFFERENT UNIQUE DISTINCT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. False True False True ANSWER DOWNLOAD EXAMIANS APP
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