A. select now()
B. SELECT now();
C. SELECT now()
D. None of these
Sometimes the expression "select count(*)" will return fewer rows than the expression "select count(value)".
Which SQL statement is used to extract data from a database?
With SQL, how can you return the number of records in the "Persons" table?
What type of lock will deny users any access to a table?
Which of the following is the correct SQL statement to use to remove rows from a table?