Albus Dumbledore- Dumbledore means bumblebee, which I suppose. would fit... Draco Malfoy- Draco meaning dragon or refering to a cruel Athenian lawmaker. The mal in Malfoy meaning evil or bad, and foy, more commonly know as foi in french, means faith, so Malfoy would mean Badfaith.
Transactions (Transact-SQL) A transaction is a single unit of work. If a transaction is successful, all of the data modifications made during the transaction are committed and become a permanent part of the database. If a transaction encounters errors and must be canceled or rolled back, then all of the data modifications are erased.
1 Translating SQL to Relational Algebra. 2 Union, Intersection, Difference. 3 Select-From-Where No Subqueries. 4 Normalization Step. 5 Correlated Queries 5.1 EXISTS in the Where Clause (by example) 5.2 NOT EXISTS in the Where Clause (by example) 5.3 EXISTS Subqueries in WHERE Combined with Other.