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The SQL CHECK CONSTRAINT ensures that a value for a specific column or columns have satisfied a specified condition.
The job of CHECK constraint is, to limit the values for a column of a table. .... Read Full Post On Blogs
w3resource
at 03:17:50 PM,6th February 2012
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Tram accidents are one of the major types of accidents that can take place. So what are the causes of the accidents? The most common is when two tram cars collide with each other resulting in fatal accidents. Trams can also derail from the tracks and tumble over. This takes place when the tram is going at a very high speed. One can also fall from the tram due to negligence or carelessness. This results in injury or at times death. Another rare case is when a person comes in contact with the electric poles of the trams. In most cases, this is very fatal as the person gets electrocuted and dies instantly.
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