Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following do you need to consider when you make a table in SQL? All of these Data types Primary keys Default values All of these Data types Primary keys Default values ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL data definition commands make up a(n) ________ . DDL XML DML HTML DDL XML DML HTML ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities whose humidity is 89 SELECT city WHERE humidity = 89; SELECT humidity = 89 FROM weather; SELECT city FROM weather; SELECT city FROM weather WHERE humidity = 89; SELECT city WHERE humidity = 89; SELECT humidity = 89 FROM weather; SELECT city FROM weather; SELECT city FROM weather WHERE humidity = 89; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is valid SQL for an Index? CREATE INDEX ID; CHANGE INDEX ID; ADD INDEX ID; REMOVE INDEX ID; CREATE INDEX ID; CHANGE INDEX ID; ADD INDEX ID; REMOVE INDEX ID; ANSWER DOWNLOAD EXAMIANS APP
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