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Django (/ ˈ dʒ æ ŋ ɡ oʊ / JANG-goh; sometimes stylized as django) [6] is a free and open-source, Python-based web framework that runs on a web server. It follows the model–template–views (MTV) architectural pattern .
Django is an Italian-French television series created by Leonardo Fasoli and Maddalena Ravagli, directed by Francesca Comencini and co-produced by Sky Atlantic and Canal+. It is an English-language reimagining of the 1966 Italian film of the same name by Sergio Corbucci .
It is a text-based template language and thus can be used to generate any markup as well as source code. The Jinja template engine allows customization of tags , [ 3 ] filters (for formatting or transforming values [ 4 ] ), tests (for evaluating conditions [ 4 ] ), and globals . [ 5 ]
In addition, the contents of all sparse columns in a particular row of a table can be collectively aggregated into a single XML column (a column set), whose contents are of the form [<column-name>column contents </column-name>]*.... In fact, if a column set is defined for a table as part of a CREATE TABLE statement, all sparse columns ...
In situations where the number of unique values of a column is far less than the number of rows in the table, column-oriented storage allow significant savings in space through data compression. Columnar storage also allows fast execution of range queries (e.g., show all records where a particular column is between X and Y, or less than X.)
A hypothetical example of a failure to meet third normal form would be a hospital database having a table of patients which included a column for the telephone number of their doctor. (The phone number is dependent on the doctor, rather than the patient, thus would be better stored in a table of doctors.)
Most triggers are only activated by either INSERT or UPDATE statements. Triggers are fully supported and can be attached to tables. Triggers can be per-column and conditional, in that UPDATE triggers can target specific columns of a table, and triggers can be told to execute under a set of conditions as specified in the trigger's WHERE clause.
In 1869, after working for drugstores in Indiana, Lilly became a partner in a Paris, Illinois-based drugstore with James W. Binford. [21] Four years later, in 1873, Lilly left the partnership with Binford, and returned to Indianapolis. In 1874, Lilly partnered with John F. Johnston, and opened a drug manufacturing operation called Johnston and ...