Introduction to SQL Which of the following command makes the updates performed by the transaction permanent in the database? COMMIT DELETE ROLLBACK TRUNCATE COMMIT DELETE ROLLBACK TRUNCATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To define what columns should be displayed in an SQL SELECT statement: use FROM to name the source table(s) and list the columns to be shown after SELECT. use USING to name the source table(s) and list the columns to be shown after SELECT. use USING to name the source table(s) and list the columns to be shown after WHER use SELECT to name the source table(s) and list the columns to be shown after USING. use FROM to name the source table(s) and list the columns to be shown after SELECT. use USING to name the source table(s) and list the columns to be shown after SELECT. use USING to name the source table(s) and list the columns to be shown after WHER use SELECT to name the source table(s) and list the columns to be shown after USING. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities whose humidity is 89 SELECT city WHERE humidity = 89; SELECT city FROM weather WHERE humidity = 89; SELECT humidity = 89 FROM weather; SELECT city FROM weather; SELECT city WHERE humidity = 89; SELECT city FROM weather WHERE humidity = 89; SELECT humidity = 89 FROM weather; SELECT city FROM weather; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL WHERE clause: limits the row data are returned. Neither A nor B are correct. Both A and B are correct. limits the column data that are returned. limits the row data are returned. Neither A nor B are correct. Both A and B are correct. limits the column data that are returned. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS