Sacheen Warnaka (Technical Blog)

MongoDB  is a  free and open-source   cross-platform   document-oriented database  program. Classified as a  NoSQL  database program, MongoDB uses  JSON -like documents with  schemas . MongoDB is developed by  MongoDB Inc.  and is  free and open-source , published under a combination of the  GNU Affero General Public License  and the  Apache License . A record in MongoDB is a document, which is a data structure composed of field and value pairs. MongoDB documents are similar to JSON objects. The values of fields may include other documents, arrays, and arrays of documents. Why Mongo DB? Ø High performance-: MongoDB provides high performance data persistence. In particular, Support for embedded data models reduces I/O activity on database system. Ø Rich Query Language-: MongoDB supports a rich query language to support read and write operations including Create, Retrieve, Update, Delete...

IOS operating system have pay more attention towards the security of their operating system. When they try to improve their security quality attribute that was affected in other quality attributes in positively as well as negatively.so let’s see some of the security improvements that are done by IOS and how they affected for other quality attributes. 1.  6-digits  Pass-code After the release of IOS 9, Apple has change their default pass-code form 4 digits to 6 digits. Their main target was make harder for hackers to crack their system. ➢     But with this newly introduced feature Usability has been decreased . Users have faced to troubles with this newly introduced security feature.                              Ex-: ➢     This 6 digit pass-code was introduced with after the IOS version...