Examlex
When using the SUM function with two columns,a row containing a null value for either column would produce a null value for that row.
Same Race
Pertains to individuals who belong to or identify with the same racial group.
Different Races
The classification of humans into groups based on physical traits, ancestry, genetics, or social relations.
Violence on TV
The portrayal of violent acts and behaviors on television, which has been a concern for its potential impact on viewers, especially children.
Violent Video Games
Video games that feature scenes of violence, which can include physical fights, use of weapons, or other aggressive behaviors.
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