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Entity Framework (EF) is an open source [2] object–relational mapping (ORM) framework for ADO.NET. It was originally shipped as an integral part of .NET Framework, however starting with Entity Framework version 6.0 it has been delivered separately from the .NET Framework. Entity Framework 6.4 was the latest release of the classic framework.
After using the waterfall model for a long time, the software industry has witnessed a rise in adoption of agile methods for software development. Agile methodologies don’t assume requirements to be permanent at any stage of the software life cycle. These methods are designed to support sporadic changes in contrast to waterfall design technique.
Migrations can be written in SQL (database-specific syntax such as PL/SQL, T-SQL, etc is supported) or Java (for advanced data transformations or dealing with LOBs). It has a command-line client, a Java API (also works on Android ) for migrating the database on application startup, a Maven plugin, and a Gradle plugin.
Applying a schema migration to a production database is always a risk. Development and test databases tend to be smaller and cleaner. The data in them is better understood or, if everything else fails, the amount of data is small enough for a human to process. Production databases are usually huge, old and full of surprises.
Software evolution is the continual development of a piece of software after its initial release to address changing stakeholder and/or market requirements. Software evolution is important because organizations invest large amounts of money in their software and are completely dependent on this software.
World map showing part of it in the day and part at night; follow-the-sun workflow allows for continuous software work. Follow-the-sun (FTS), a sub-field of globally distributed software engineering (GDSE), is a type of global knowledge workflow designed in order to reduce the time to market, in which the knowledge product is owned and advanced by a production site in one time zone and handed ...
The ANSI/SPARC three level architecture. This shows that a data model can be an external model (or view), a conceptual model, or a physical model. This is not the only way to look at data models, but it is a useful way, particularly when comparing models. [1] In 1975 ANSI described three kinds of data-model instance: [5]
Dynamic systems development method (DSDM) Extreme programming (XP) Iterative and incremental development; Kanban; Lean software development; Model-based system engineering (MBSE) Pair programming; Mob programming; Rapid application development (RAD) Rational Unified Process (RUP) Rubber duck debugging; Scrum; Structured systems analysis and ...