The entity integrity rule states that a primary key attribute can be null. Thus the statement is false.
<h3>What is an entity?</h3>
An entity is refer to any object that exists in reality. These entities are Independent in nature. Each row in a table should be a distinct entity, which is ensured by entity integrity.
The entity integrity rule states that a primary key attribute can not be null as it shows unique characteristics of an entity.No primary key value can be null according to the entity integrity constraint because it is needed to identify specific attribute values in relation.
Therefore, the statement is False.
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Informal education refers to a system of education that is not state operated and sponsored. It doesn't lead to any certification and is not structured or classroom based. Informal education is, therefore, a system or process that imparts skills or knowledge that is not formal or recognized by the state.
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Answer:
Yes it is possible
in case a body travels in a straight line path without any change in Direction
the minimum distance from initial position to final position is the same as total distance traveled.
Explanation:
The correct answer would be, is chosen by the party with the majority of members in the legislature.
Because Canada is a parliamentary democracy, the political leader is chosen by the party with the majority of members in the legislature.
Explanation:
Democracy is basically a system of government, where true elected representatives by the citizen of the country govern the systems. There are many types of democracy. Few are as below:
- Direct Democracy
- Parliamentary Democracy
- Presidential Democracy
- Authoritarian Democracy
- Social Democracy, etc
In a country of Parliamentary Democracy like Canada, the political leader is chosen by the party with the majority of members in the legislature. The leader is hence accountable in front of the parliament as well.
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Answer:
Parents and infants usually sleep on hard surfaces, such as floor mats, firm mattresses or wooden planks.
Explanation:
Co-sleeping is like a proximity or nearness or sharing bed with your child. Sharing about the same bed or the same room.
There are different type of co-sleeping occur in a different culture.
- Family bed
- The sidecar arrangement
- Different bed in the same room
- The children are permitted in parents' bed when they needed.
Benefits :
- Parents get as much need of sleep.
- Breastfeeding is easy when the baby is nearby to the parents.
- In parents room baby reduces the risk of SIDS.