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In computers, case sensitivity defines whether uppercase and lowercase letters are treated as distinct (case-sensitive) or equivalent (case-insensitive). For instance, when users interested in learning about dogs search an e-book , "dog" and "Dog" are of the same significance to them.
The ISO basic Latin alphabet is an international standard (beginning with ISO/IEC 646) for a Latin-script alphabet that consists of two sets (uppercase and lowercase) of 26 letters, codified in [1] various national and international standards and used widely in international communication.
A system that is non-case-preserving is necessarily also case-insensitive. This applies, for example, to Identifiers (column and table names) in some relational databases (for example DB2, Interbase/Firebird, Oracle and Snowflake [1]), unless the identifier is specified within double quotation marks (in which case the identifier becomes case-sensitive).
where name is the case-sensitive name of the entity. The semicolon is required. The semicolon is required. Because numbers are harder for humans to remember than names, character entity references are most often written by humans, while numeric character references are most often produced by computer programs.
The capital letter "A" in the Latin alphabet, followed by its lowercase equivalent, in sans serif and serif typefaces respectively. Capitalization (North American spelling; also British spelling in Oxford) or capitalisation (Commonwealth English; all other meanings) is writing a word with its first letter as a capital letter (uppercase letter) and the remaining letters in lower case, in ...
The lower-case "a" and upper-case "A" are the two case variants of the first letter in the English alphabet.. Letter case is the distinction between the letters that are in larger uppercase or capitals (more formally majuscule) and smaller lowercase (more formally minuscule) in the written representation of certain languages.
The letters I, O, Q, S, and Z were dropped to ease eye strain with 1, 0, 5, 3, and 2. That subset is named the DEC Alphabet after the company that first used it. For alphanumerics that are frequently handwritten, in addition to I and O , V is avoided because it looks like U in cursive, and Z for its similarity to 2 .
Some filesystems prohibit the use of lower case letters in filenames altogether. Some file systems store filenames in the form that they were originally created; these are referred to as case-retentive or case-preserving. Such a file system can be case-sensitive or case-insensitive. If case-sensitive, then "MyName.Txt" and "myname.txt" may ...