Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword BETWEEN is used: None of these as a wildcard. to limit the columns displayed. for ranges. None of these as a wildcard. to limit the columns displayed. for ranges. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column. 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
Introduction to SQL 'AS' clause is used in SQL for Selection operation. Join operation. Rename operation. Projection operation. Selection operation. Join operation. Rename operation. Projection operation. 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 ONLY DISTINCT SINGLE UNIQUE ONLY DISTINCT SINGLE ANSWER DOWNLOAD EXAMIANS APP
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