C. Only Username
D. Both a) and b)
Mysql command line tool is used to show “how many rows are returned and how long SQL command took to execute”
Which command is used for showing current date and time in Mysql command line tool?
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?