XML is not a replacement for HTML. XML and HTML were designed with different goals: XML was designed to describe data, with focus on what data is HTML was designed to display data, with focus on how data looks HTML is about displaying information, while XML is about carrying information. XML Components Element An XML […]
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SQL coding language database search: The coding languages which are used to search a Database. A Database simply put, is a large collection of data stored in a large hard drive. There is a certain logic set behind why the Database is organized the way it is and why the data is kept in tables
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History: Is it really used only for hypertext (an image…)? Methods: Get Post Others (head) Status codes 100 continue 200 Success 300 redirect 400 errors 500 server errors Headers Keep Alive MIME type Accepted encoding (compression) HTTP version (1.0 limitation – compression and Keep alive) HTTPS Requirement: Signing (Identification) Encryption RSA (Rivest, Shamir & Adleman)
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Structured Query Language SQL 1 is used to communicate with a database. According to ANSI (American National Standards Institute), it is the standard language for relational database management systems. SQL statements are used to perform tasks such as update data on a database, or retrieve data from a database. SQL 1 Solve: Need to update
XML coding language explanation XML What is XML XML stands for EXtensible Markup Language XML is a markup language much like HTML XML was designed to describe data, not to display data XML tags are not predefined. You must define your own tags XML is designed to be self-descriptive XML is a letter with fixed
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