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To be considered minimally relational, the DBMS must support the key relational operators _____, PROJECT, and JOIN.
Molten Rock
Liquid rock material formed under the earth's surface at extremely high temperatures, known as magma, or on the surface as lava from a volcanic eruption.
Methanol
Methanol, also known as methyl alcohol, is a chemical compound used as a solvent, antifreeze, fuel, and as a denaturant for ethanol. It is toxic to ingest.
Ethanol
A biofuel derived from corn, sugarcane, or other plant materials, used as an alternative to gasoline.
Windmill Capacity
The maximum output of power, typically measured in megawatts (MW), that a windmill or wind turbine can produce under ideal conditions.
Q2: The database administrator must be prepared to
Q4: What serves the same purpose in conventional
Q12: _ are normally expressed in the form
Q17: The Chen notation identifies the weak entity
Q20: The entity relationship model is limited to
Q42: An example of a command you would
Q44: A table can be deleted from the
Q57: Each column in a relation represents a(n)
Q81: _ is the process that establishes the
Q93: _, also known as RESTRICT, yields values