Introduction to SQL ORDER BY can be combined with the SELECT statements. False True False True 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: all columns of the table are to be returned. all records with even partial criteria met are to be returned. None of these all records meeting the full criteria are to be returned. all columns of the table are to be returned. all records with even partial criteria met are to be returned. None of these all records meeting the full criteria are to be returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The benefits of a standard relational language include which of the following? Increased dependence on a single vendor Applications are not needed All of these Reduced training costs Increased dependence on a single vendor Applications are not needed All of these Reduced training costs ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Most companies keep at least two versions of any database they are using. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. False True False True 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