Search results
Results from the WOW.Com Content Network
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
SEQUEL was designed to manipulate and retrieve data in relational databases. By 1974, Chamberlin and Boyce published “SEQUEL: A Structured English Query Language” which detailed their refinements to SQUARE and introduced us to the data retrieval aspects of SEQUEL. [5] It was one of the first languages to use Edgar F. Codd's relational model.
A query language, also known as data nmTemplate:O language or database query language (DQL), is a computer language used to make queries in databases and information systems. In database systems, query languages rely on strict theory to retrieve information. [1] A well known example is the Structured Query Language (SQL).
Original file (1,239 × 1,752 pixels, file size: 343 KB, MIME type: application/pdf, 56 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
The latest official IPA chart, revised in 2020. Here is a basic key to the symbols of the International Phonetic Alphabet. For the smaller set of symbols that is sufficient for English, see Help:IPA/English. Several rare IPA symbols are not included; these are found in the main IPA article or on the extensive IPA chart.
If the pronunciation in a specific accent is desired, square brackets may be used, perhaps with a link to IPA chart for English dialects, which describes several national standards, or with a comment that the pronunciation is General American, Received Pronunciation, Australian English, etc. Local pronunciations are of particular interest in ...
This template is used to request the audio or textual pronunciation. Template parameters [Edit template data] Parameter Description Type Status Month and year date Provides the month and year; e.g., 'January 2013', but not 'jan13' Auto value {{subst:CURRENTMONTHNAME}} {{subst:CURRENTYEAR}} String suggested See also {{ Needs IPA }}, a similar inline template, but specifically requesting ...
The following is the chart of the International Phonetic Alphabet, a standardized system of phonetic symbols devised and maintained by the International Phonetic Association. It is not a complete list of all possible speech sounds in the world's languages, only those about which stand-alone articles exist in this encyclopedia.