May require a bachelor's/associate's degree in area of specialty and 0-2 years of experience in the field or in a related area. Has knowledge of commonly-used concepts, practices, and procedures within a particular field.
The BMP file format. BMP is a meanwhile outdated image file format for computers running the Windows operating system. The format was developed by Microsoft for storing bitmap files in a device-independent bitmap (DIB) format that would allow Windows to display the bitmap on any type of display device.
A BLOB field is simply a field that stores data in binary. From Wikipedia : A Binary Large OBject (BLOB) is a collection of binary data stored as a single entity in a database management system. Blobs are typically images, audio or other multimedia objects, though sometimes binary executable code is stored as a blob.