Why do people write SQL in all caps?
SQL was developed in the 1970s when the popular programming languages (like COBOL) used ALL CAPS, and the convention must have stuck. It’s because that is the way it is defined in the ANSI standard.
Does SQL have to be in all caps?
When format SQL query, capitalization refers to the way in which SQL token should or should not be capitalized in your code. For example, some developers prefer to make all reserved keys uppercase, others prefer lowercase, and some mix and match. It’s all a matter of preference.
How do you get a proper case in SQL?
SQL Function to make all TEXT to propercase in SQL Server
- create function ConvertToTitleCase(@Text as varchar(8000))
- returns varchar(8000)
- declare @Reset bit;
- declare @Ret varchar(8000);
- declare @index int;
- declare @c char(1);
How do you uppercase in SQL?
If you want to display a string in uppercase, use the SQL UPPER() function. This function takes only one argument: the string column that you want to convert to uppercase.
Why is not a good practice using * in select statements?
By using SELECT * , you can return unnecessary data that will just be ignored. … This results in some wasteful IO cycles on the DB end since you will be reading all of that data off the pages. Perhaps you could have read the data from index pages. This can make your query a little bit slow as well.
How do I make the first letter capital in SQL?
The Oracle INITCAP() function sets the first letter of each word in uppercase, all other letters in lowercase. Words are delimited by white space or characters that are not alphanumeric. A string whose first character in each word will be converted to uppercase and the rest characters will be converted to lowercase.
How do you find upper and lower case in SQL?
select * from users where upper(first_name) = ‘FRED’; or this: select * from users where lower(first_name) = ‘fred’; As you can see, the pattern is to make the field you’re searching into uppercase or lowercase, and then make your search string also be uppercase or lowercase to match the SQL function you’ve used.
What is proper case in SQL?
This function: “Proper Cases” all “UPPER CASE” words that are delimited by white space. leaves “lower case words” alone. works properly even for non-English alphabets. is portable in that it does not use fancy features of recent SQL server versions.
Does SQL have a proper function?
SQL Server contains system functions for viewing / updating string data to both uppercase and lowercase but not proper case. There are multiple reasons for desiring this operation takes place in SQL Server rather than at the application layer.
What is Initcap in SQL?
The INITCAP function converts the first letter of each word in a string to uppercase, and converts any remaining characters in each word to lowercase. Words are delimited by white space characters, or by characters that are not alphanumeric.