Text: The ampulla of Vater, also known as the hepatopancreatic ampulla or the hepatopancreatic duct, is formed by the union of the pancreatic duct and the common bile duct. The ampulla is specifically located at the major duodenal papilla.

Question: is ampulla of vater part of the pancreas?

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Answer: no

Text: Stop sign placement can pose an additional challenge to users. There is a tradeoff between the salient visual cues provided by increased limit line setback, and the crucial time that is lost in approaching the intersection from behind that line; being closer can provide a few additional seconds requisite for safe transit. However, common creeping into the intersection past the limit line causes drivers to lose the invaluable perspective of the visual acuity of lateral motion, crippling them to the more dangerous SAVT. This makes it very difficult to estimate the movement of oncoming traffic. As intersections are not engineered to be used this way, the traffic flow ideals have broken down when drivers consistently choose this method as the safer alternative. Stop signs are accompanied with a limit line, which has a mandatory setback distance which is often not less than 15 feet. While it may be negligence per se to prematurely pass the stop limit line, drivers may be unfairly denied sufficient time gap or opportunity to enter otherwise because of the through-traffic flow and speed; the inherent problem with this traffic control device. While stop signs are a relatively inexpensive method of traffic management, they can be expensive from perspective of the damage they cause users. Pricey but safer traffic signals, roundabouts, and traffic circles are alternatively used where traffic flow dictates it is inappropriate to use a stop sign. It is just as crucial for law enforcement to regulate traffic through-speed that is above the assured clear distance ahead ahead as it is to cite stop sign runners for this device to be a viable option.

Question: is a stop sign considered a traffic control device?

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Answer: yes

Text: Radar jammers are not allowed under federal rule, but laser jammers are not specifically banned. Ten states are specifically banning laser jammers: California, Colorado, Illinois, Minnesota, South Carolina, Oklahoma, Tennessee, Texas, Utah, and Virginia. Radar detectors are not banned in the aforementioned states (Excluding Virginia).

Question: is it legal to have a radar detector in texas?

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Answer: yes

Text: In terms of the relational model of databases, a table can be considered a convenient representation of a relation, but the two are not strictly equivalent. For instance, an SQL table can potentially contain duplicate rows, whereas a true relation cannot contain duplicate tuples. Similarly, representation as a table implies a particular ordering to the rows and columns, whereas a relation is explicitly unordered. However, the database system does not guarantee any ordering of the rows unless an ORDER BY clause is specified in the SELECT statement that queries the table.

Question: if a table contains a primary key there can be no duplicate records in a table?

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Answer:
no