Episode 7x03 The Filmed Adventures of Detective William Murdoch After a man is shot in a movie house, Thomas Edison becomes a suspect and Murdoch is drawn into the behind-the-scenes drama of James Pendrickâs filmmaking venture.
The definition of a constraint is something that imposes a limit or restriction or that prevents something from occurring. An example of a constraint is the fact that there are only so many hours in a day to accomplish things. a constraining or being constrained; specif., confinement or restriction.
Column and Table Constraints. Constraints can be column constraints or table constraints. A column constraint is specified as part of a column definition and applies only to that column. The constraints in the previous examples are column constraints.QL Server supports the following classes of constraints: NOT NULL specifies that the column does not accept NULL values. For more information, see Allowing Null Values. CHECK constraints enforce domain integrity by limiting the values that can be put in a column. For more information, see CHECK Constraints.