Because when it's mapped you want it to look like User.Name instead of Users.Name or worse from some of my old databases tables naming tblUsers.strName which is just confusing in code. save hide report. a "college" table can contain 0 or more colleges Not as a … Never, never, never use sp_ in front of stored procedures because MS-SQL uses that for system stored procedures and treats them special. In other words, when I think about entities and how they are related I think of relations in singular, but of course, when I think of the entities in collections or sets, the collections or sets are plural. I’ve documented these database conventions to be used with Oracle databases. SELECT id, name, description FROM activities activity . Let me know in the comments below. A singular apple is still "a set of Apples" - albeit, a set with a single instance. Since a database table already implies a set of data, naming it in the plural form (i.e. Can anybody create their own software license? Intuitive Concept.You have a bag with many apples in it. However, with some exceptions for denormalized relations, tables are usually designed so that the relation between the non-key attributes and the key constitutes a set theoretic function. metadata naming the attributes) and a set of tuples matching the heading. The last word of the table name should be end with the character "s" (or "es") to indicate plural. +1 See, these are the kinds of answers the Internet needs more of. Has any such name grabs happened yet? Name tables in singular. Whether it contains multiple rows or a single row does not impact its name, and therefore the name should be singular. Then, if I need a collection, i just use mouses or sheeps, and move on. This is somewhat a religious debate. If you use Object Relational Mapping tools or will in the future I suggest Singular. Thus the plural form for the table name. Sometimes when writing queries it is handy to know that the table you are querying really is a ta The table definition is for all of the columns in each row. you Want to improve this question? It makes no sense. In the case in question here it makes more sense to go counter to the singular convention for Users to avoid the need to encapsulate a table that uses the reserved word of User. The Oracle's system tables are named in singular . This thread is archived. "Each Team may have only one Main Coach and many secondary Coaches" , which is described: Team->MainCoach , Team->>SecondaryCoach. Therefore, a table (being a collection of objects) should be named in the plural. In textual descriptions, I end up using plural for increased readability - then use fonts etc. Learn how your comment data is processed. We do this to provide uniformity between both database architecture and application architecture, with the underlying understanding that the Users table is a collection of User values as much as a Users collection in a code artifact is a collection of User objects. I use ORMs all the time, of course, and it helps that ORM code written with plural table names looks stupid. Those tables should probably be called “subject_enrolment” and “class_enrolment” to be consistent. Even something as simple as "AppUser" would be sufficient, without entering the entire namespace debate. The top voted answer relating to singular vs plural on, Functions and APIs that use this SQL or tables, Objects in source code in all languages and technologies being used in the application, Removing vowels from words (e.g. Is there a way to separate geometry that shares verts/edges? I imagine this holds true for many other Object Relational Mappers too. Requirement to pay for quarantine when entering New Zealand? Reason 3. :-). Probably the most logical argument on this subject I've ever seen, and makes me glad I spent that time on Latin. Or would you call the table 'New'? I agree.. why the inconsistency between code and storage? To use singular names may sound good, but you are always fighting your instinct that a table holds many of the same thing, just like a collection in code does. References: Table names are plural, field name is singular Table names should not contain spaces, words should be split_up_with_underscores. Every ORM tool that I've ever used supports specifying the table name to be used for an entity when it is different from the entity's name. Get my book: Beginning Oracle SQL for Oracle Database 18c. In my world I try to use consistent names across the whole project to avoid wasting time wondering if this instance has an s on the end or not. This convention has been part of relational theory long, long, before ORM ever existed. Is a table more like a class name? I’ve written more about them here in my SQL Best Practices and Style Guide post. The exception to this is if you’ve reached Oracle’s 30 character limit for table names. How to check if a column exists in a SQL Server table? - pah!) It can even save you writing time, save you disk space, and even make your computer keyboard last longer! The alternate discussions about proper language in reference to sets are just philosophical and are obscuring the real point. I've only been working with SQL Server for a couple of years, and although I've been exposed to a lot of different parts of it, there are still some things I've not been forced to spend a lot of time thinking about. it is easier come out with singular names, than with plural ones. By this logic arrays should be singular and noone names them like that. Many others disagree. You'd have a table alias so it'd be more like. Good point Brad – I seem to have contradicted myself! There’s no need to abbreviate words just for the sake of it. If you are using an ORM to abstract your database, tables are represented with some sort of collection, so why would you treat them any different? Table Users (and Countries, Languages) can be used in few applications simultaneously. There is a near-religious debate in the development and DBA communities about singular and plural table names. Why the inconsistency? (no matter what ORM you may be using). In OO coding terms the closes representation to a table is a collection of objects. I think using the singular is what we were taught in university. -1. The SQL in the latter is stranger sounding than the former. (Why not?). Not necessarily that it's a bad thing to rename tables, but standardization is just that; a standard -- this database may already be "standardized", however badly :) -- I would suggest consistency to be a better goal given that this database already exists and presumably it consists of more than just 2 tables. I had same question, and after reading all answers here I definitely stay with SINGULAR, reasons: Reason 1 (Concept). After reading all the arguing in this thread, i reached one conclusion: I like my pancakes with honey, no matter what everybody's favorite flavour is. I don't buy any argument involving which is most logical - every person thinks his own preference is most logical. Software Development. Newss? Total vote count for singular is much higher than total vote count for plural. So we get things relations like ... order_id = orders.id How to repeat: when creating a new model in Workbench, or when reverse engineering one from a … LINQ supports pluralized table names because pluralized table names are… English is pretty weird. For separating words in the database object name, use underscore. A 'bag' of apples doesn't become a 'bags' when it contains many apples. You can argue the table represents a single entity and as such deserves a singular name, or that it contains multiple instances of an entity so it should be plural. Never give a table the same name as one of its columns and vice versa. Give a person no information at all before giving them possibly bad information. Are there any other naming conventions for tables that I’ve missed out? This answer needs more praise. Microsoft are what they are for business reasons first (and often unethical reasons at that), logical reasons last. AppName1.Users, AppName2.Users ? That the architects at these two software giants have named their tables using different conventions, doesn't make much sense either... After all, what are these guys ... PhD's? ” Well, that would depend on your table naming schema – plural or singular. This is a big time saver and prevents developers from trying to work out which form they used when naming tables. Archived. http://vyaskn.tripod.com/object_naming.htm#Tables, This site disagrees (but I disagree with it): It’s easy to come up with singular names for SQL table names. Great article on table naming conventions. asked Jun 24, 2019 in SQL by ParasSharma1 (16.2k points) sql; sql-server; naming-conventions; 0 votes. Isn't this the convention in RoR too? It makes sense to have a table of users and call it "AppUser" at the same time it also makes sense to have a table of rules applicable to a particular type of user and call it "UserRules". Others have given pretty good answers as far as "standards" go, but I just wanted to add this... Is it possible that "User" (or "Users") is not actually a full description of the data held in the table? I’ve also used my own experience in deciding whether singular or plural table names are better. Not that you should get too crazy with table names and specificity, but perhaps something like "Widget_Users" (where "Widget" is the name of your application or website) would be more appropriate. When I have a choice, I choose the other way. For example: In Node.js ORMs like Bookshelf.js or Objection.js are mainly based on "Knex.js". If you’re naming entities that represent real-world facts, you should use nouns. With regards to database table and column names, I lean towards a certain convention: A database table is a set, and every row is an object. http://myapp.com/users would list multiple users. There is no "One Ring to Rule Them All" when it comes to naming conventions. 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