The Table below contains a list of keywords that should always be fully capitalized when referenced in code. Thus, foo should be equivalent to "FOO" not "foo" according to the standard. So, if I type in my name as jASON, it should come back to me as … Along with the proper nouns listed in the table above, you should also always capitalize: the first word of a sentence, the first word after a colon when what follows the colon is an independent clause,; factor names in a factor analysis (see section 4.20), MySQL - the columns are absolutely case insensitive. There are some rules, anyway, about what you can capitalize and what not, i.e. All proper nouns (as well as adjectives derived from them) should be capitalized. 1. Under what circumstances has the USA invoked martial law? This may happen with certain utilities where you must pass an identifier as a string outside the usual SQL processor context. I wonder if it's a problem, if a table or column name contains upper case letters. When was the first full length book sent over telegraph? Using these simple conventions produces a readable protocol which handles about 70% of your typical relational structure. Likewise, the names of chemical compounds are considered common nouns which are capitalized at the beginning of a sentence or title, but not elsewhere. I would say only two things - don't EVER use spaces "My Table Name" (porting becomes impossible due to different escaping mechanisms; same goes for any non-alphanumeric character). Do not capitalize the names of elements even though their abbreviations are capitalized. A common noun, on the other hand, refers to a general, non-specific category or entity. Before setting the capitalization standards, make sure that a database doesn’t have case-sensitive collation, as this can cause big problems when playing with capitalization. To keep my code tidy I usually stick to lower case names for tables and colums, uppercase MySQL-Code and mixed Upper-Lower-Case variables - like this: SELECT * FROM my_table WHERE id = '$myNewID'. Can I legally refuse entry to a landlord? As far as I know for a common L.A.M.P. Database identifiers capitalization rules For capitalization rules there are different guidelines also, for example Adventure Works database uses PascalCase for tables and columns, e.g. There are many nuanced details in database naming conventions, and each architect will have a plethora of specific preferences based on some combination of theory and prior experience. House styles differ as to which words should appear in lowercase. I use pascal case for field names lower case for table names (usually) as follows: Why is this cool? It is not a technical problem for the database to have uppercase letters in your table or column names, for any DB engine that I'm aware of. How can I get the table names without a header or footer or anything else from a specified Postgres database with psql? If it's the first word in a sentence, capitalize it. Personally, I like uppercase identifiers and lowercase keywords, because it highlights the data that you're manipulating. You could even write a routine to logically parse db structure this way and build queries automatically. Should I write table and column names ALWAYS lower case? The system would work fine, but once some developer would go searching for it through the source code, they might overlook it, and you all get in trouble. According to IUPAC rules, names of chemical elements should not be capitalized. Consistency for developers. For MySQL, here is some interesting information about how it handles identifier case. Stack Overflow for Teams is a private, secure spot for you and Should each and every table have a primary key? Asking for help, clarification, or responding to other answers. This requirement presumably dates back to the early days of SQL when mainframe systems were limited to uppercase English characters only. If you have to use plural names then define when you will just append an “s” to the end of the name and for which words you will use “ies” or … Michelle Obama, the former first lady, was raised in Chicago and is a graduate of Harvard Law School. I prefer highlighting the business data, which is more important. @MarkyPython - that's what I'm saying: they can all handle them. Virtually all databases do a case-insensitive lookup from the case used by an identifier to the case stored by the database. Generally this is a non-issue. Keep in mind many DB implementations use case sensitive names, so always refer to tables and columns using the same case with which they were created (I am speaking very generally since you didn't specify a particular implementation). Case sensitive sybase query: Invalid column name. setup it won't really matter - but be aware that MySQL hosted on Linux is case sensitive! Rare, but tuck this away in the back of your head in case you encounter some mysterious "cannot find table" kind of error message someday when using some unusual tool/utility. Whatever you use, keep in mind the MySQL on Linux is case sensitive, while on Windows it is case insensitive . I think it's the first one (also around you'll see it's the used one), but don't use the third one because it will look bad, no matter the type of table. because it's readable, and because I can parse it as: notice I capitalized S and C? Capitalize any word, regardless of the part of speech, if it is the first or last word of the title or subtitle or a proper name or if it follows a punctuation mark indicating a break in the title. I think it strange to highlight the keywords. PerfectIt has been designed so that it almost always recognizes these and does not convert them to lowercase. PerfectIt checks that a consistent case is applied to all headings in tables. Making statements based on opinion; back them up with references or personal experience. If you don't want to worry about it in the future, name it in the lower case. Why do return ticket prices jump up if the return flight is more than six months after the departing flight? It is not a proper noun, only a noun. Personally I always use underscores for the reason of automation or dynamic reporting if needed (similar to what you mentioned). However, you capitalize "Walmart". For example, I think the following is clearer: I don't find FirstName more readable than first_name. One of the requirements is that when the information is re-displayed to the user, it needs to be pretty. There are some exceptions: Sometimes a company may choose not to use a capital letter at the beginning of its name or product as a … PerfectIt has been designed so that it almost always recognizes these and does not convert them to lowercase. With these sorts of mechanims, you normally have to respect case also. Queries are harder to write if you use capital letters in table or column names. This style is known as Snake case. The column names which are mixed case or uppercase have to be double quoted in PostgreSQL. For example, the identifiers FOO, foo, and "foo" are considered the same by PostgreSQL, but "Foo" and "FOO" are different from these three and each other. And when you eventually change databases or replicate your tables into a warehouse, you won’t need to remember which database is case-sensitive, as only some are. Seems like it should be capitalized be set for: Reserved/key words ( e.g written `` mynAme instead. 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