Introduction to SQL Which of the following command makes the updates performed by the transaction permanent in the database? TRUNCATE DELETE ROLLBACK COMMIT TRUNCATE DELETE ROLLBACK COMMIT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following do you need to consider when you make a table in SQL? Default values All of these Data types Primary keys Default values All of these Data types Primary keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL WHERE clause: limits the row data are returned. limits the column data that are returned. Both A and B are correct. Neither A nor B are correct. limits the row data are returned. limits the column data that are returned. Both A and B are correct. Neither A nor B are correct. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is the same as 0 for integer not a value the same as 0 for integer and blank for character the same as blank for character the same as 0 for integer not a value the same as 0 for integer and blank for character the same as blank for character ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement that queries or reads data from a table is ________ . READ SELECT QUERY None of these READ SELECT QUERY None of these ANSWER DOWNLOAD EXAMIANS APP
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