In computing, Extract, Transform and Load (ETL) refers to a process in database usage and especially in data warehousing that performs: Data extraction â extracts data from homogeneous or heterogeneous data sources.
(Beginner) Reading astronomy books, I've come up with the word singularity a lot, but I can't figure out what it exactly means. A singularity means a point where some property is infinite. For example, at the center of a black hole, according to classical theory, the density is infinite (because a finite mass is compressed to a zero volume). Hence it is a singularity.
Parity may refer to: 1  Parity (computing) Parity bit in computing, sets the parity of transmitted data for the purpose of error detection. 2  Parity (mathematics), indicates whether a number is even or odd Parity of a permutation, indicates whether a permutation has an even or odd number of inversions. Parity function, a Boolean function whose value is 1 if the input vector has an odd number of ones.