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A fan trap occurs in database design when a single entity is connected to multiple entities, leading to ambiguity in relationships and potentially causing incorrect data retrieval in queries. In contrast, a chasm trap arises when there are two or more paths to reach an entity, but one path is incomplete or missing data, resulting in incomplete or misleading query results. Both issues can complicate data modeling and analysis, necessitating careful design to avoid misleading information.
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What is a fan trap in database design?
A fan trap is where one too many relationships 'fan' out from a central entity, so the link between the two entities at the many end becomes unclear. For example, if we had a central entity of Branch (of an organization) and two entities fanning out from it: Staff and Department, we cannot clearly link Staff with Department.
What is a legal and commonly used trap bell trap S trap drum trap P trap?
which of the following is a legal and commonly used trap? bell trap S trap drum trap or P trap
What is a legal and commonly used trap A Bell Trap b S trap c drum trap d P trap?
drum trap Decent codes will not allow a Bell trap, Drum trap, S trap The better codes allow a running or P trap
How do you replace a S trap with a P trap?
By cutting it out and installing either a P trap or a running trap as an S trap is notorious for losing its seal
Difference between J trap and p trap?
A J trap is normally tubular and a P trap is brass and does not swivel
How do you get out of swampgas chasm?
what is a chasm
What is the name of the river in Divergent?
It is called the chasm.
How do you put chasm in to a sentence?
I pushed your baby into a chasm.
Where is the Chasm in Dizzywood How do you get into it?
The Chasm is in Prestos Edge. To get there, walk to the right until you see the chasm with a bridge going over it. Use your levitation power to hover over the chasm and let the levitation power run out after a few seconds. You will fall into the chasm.
Can you give me a sentence for chasm?
The Grand Canyon is an enormous chasm.
When was The Chasm of Doom created?
The Chasm of Doom was created in 1985.
When was Cosmic Chasm created?
Cosmic Chasm was created in 1982.
When did Cosmic Chasm happen?
Cosmic Chasm happened in 1982.
When was Chasm City created?
Chasm City was created in 2001.
When was Crossing the Chasm created?
Crossing the Chasm was created in 1991.
Where is the gaint chasm?
The Giant Chasm is North of Route 13.
How do you use chasm in a short sentence?
The chasm was fifty feet across.
