Introduction to SQL Which of the following is a SQL aggregate function? LEN JOIN AVG LEFT LEN JOIN AVG LEFT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following must be enclosed in double quotes? Dates Column Alias Strings All of these Dates Column Alias Strings All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL WHERE clause: Both A and B are correct. limits the row data are returned. Neither A nor B are correct. limits the column data that are returned. Both A and B are correct. limits the row data are returned. Neither A nor B are correct. limits the column data that are returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the tuples having temperature greater than 'Paris'. SELECT * FROM weather WHERE temperature > (SELECT * FROM weather WHERE city = 'Paris') SELECT * FROM weather WHERE temperature > (SELECT city FROM weather WHERE city = 'Paris') SELECT * FROM weather WHERE temperature > 'Paris' temperature SELECT * FROM weather WHERE temperature > (SELECT temperature FROM weather WHERE city = 'Paris') SELECT * FROM weather WHERE temperature > (SELECT * FROM weather WHERE city = 'Paris') SELECT * FROM weather WHERE temperature > (SELECT city FROM weather WHERE city = 'Paris') SELECT * FROM weather WHERE temperature > 'Paris' temperature SELECT * FROM weather WHERE temperature > (SELECT temperature FROM weather WHERE city = 'Paris') ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? JOIN INSERT DELETE SELECT JOIN INSERT DELETE SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard asterisk (*) is the SQL-92 standard for indicating "any sequence of characters." False True False True ANSWER DOWNLOAD EXAMIANS APP
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