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Best Answer-推荐答案

I had same question, and after reading all answers here I definitely stay with SINGULAR, reasons:

Reason 1 (Concept). You can think of bag containing apples like "AppleBag", it doesn't matter if contains 0, 1 or a million apples, it is always the same bag. Tables are just that, containers, the table name must describe what it contains, not how much data it contains. Additionally, the plural concept is more about a spoken language one (actually to determine whether there is one or more).

Reason 2. (Convenience). it is easier come out with singular names, than with plural ones. Objects can have irregular plurals or not plural at all, but will always have a singular one (with few exceptions like News).

Customer

Order

User

Status

News

Reason 3. (Aesthetic and Order). Specially in master-detail scenarios, this reads better, aligns better by name, and have more logical order (Master first, Detail second):

1.Order

2.OrderDetail

Compared to:

1.OrderDetails

2.Orders

Reason 4 (Simplicity). Put all together, Table Names, Primary Keys, Relationships, Entity Classes... is better to be aware of only one name (singular) instead of two (singular class, plural table, singular field, singular-plural master-detail...)

Customer

Customer.CustomerID

CustomerAddress

public Class Customer {...}

SELECT FROM Customer WHERE CustomerID = 100

Once you know you are dealing with "Customer", you can be sure you will use the same word for all of your database interaction needs.

Reason 5. (Globalization). The world is getting smaller, you may have a team of different nationalities, not everybody has English as a native language. It would be easier for a non-native English language programmer to think of "Repository" than of "Repositories", or "Status" instead of "Statuses". Having singular names can lead to fewer errors caused by typos, save time by not having to think "is it Child or Children?", hence improving productivity.

Reason 6. (Why not?). It can even save you writing time, save you disk space, and even make your computer keyboard last longer!

SELECT Customer.CustomerName FROM Customer WHERE Customer.CustomerID = 100

SELECT Customers.CustomerName FROM Customers WHERE Customers.CustomerID = 103

You have saved 3 letters, 3 bytes, 3 extra keyboard hits

And finally, you can name those ones messing up with reserved names like:

User > LoginUser, AppUser, SystemUser, CMSUser,...

Or use the infamous square brackets [User]

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