It's March 1st and the first day of RDBMS school. The teacher starts off with a role call.
Teacher: Oracle?
"Present sir"
Teacher: DB2?
"Present sir"
Teacher: SQL Server?
"Present sir"
Teacher: MySQL?
[Silence]
Teacher: MySQL?
[Silence]
Teacher: Where the hell is MySQL?!
[In rushes MySQL, unshaven, hair a mess]
Teacher: Where have you been MySQL?
"Sorry sir I thought it was 29:99:-1, February 50th"