What’s your average success rate of getting a SQL statement right on the first try? In best case, you botched a simple statement without side effects and just have to try again with correct syntax or ...

Statement level is the lowest level of granularity to fail or succeed upon. If you have in your example 100 records in table A to update based upon some logic (e.g. from another table, from a custom ...

Well, if you happen to be using Sql Server you can do that sort of thing in T-Sql. In Oracle, you can also accomplish the same thing using pl/sql. Either way i'd do it in a stored ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...