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In the relational model of databases, a primary key is a designated attribute that can reliably identify and distinguish between each individual record in a table.The database creator can choose an existing unique attribute or combination of attributes from the table (a natural key) to act as its primary key, or create a new attribute containing a unique ID that exists solely for this purpose ...
"Primary" is not, and should not be, a bit of jargon used by Wikipedians to mean "bad" or "unreliable" or "unusable". While some primary sources are not fully independent, they can be authoritative, high-quality, accurate, fact-checked, expert-approved, subject to editorial control, and published by a reputable publisher.
The General Directorate of Archives (Albanian: Drejtoria e Përgjithshme e Arkivave) is the national archive of the Republic of Albania, located in Tirana.Under the former control of the Party of Labour of Albania, the directorate houses the papers of the former People's Socialist Republic of Albania, and papers that were held by citizens prior to the regime.
The Albanian Wikipedia (Albanian: Wikipedia Shqip) is the Albanian language edition of Wikipedia started on 12 October 2003. As of 17 February 2025, the Wikipedia has 101,694 articles and is the 73rd-largest Wikipedia.
The language is spoken by approximately 6 million people in the Balkans, primarily in Albania, Kosovo, North Macedonia, Serbia, Montenegro and Greece. [1] However, due to old communities in Italy and the large Albanian diaspora, the worldwide total of speakers is much higher than in Southern Europe and numbers approximately 7.5 million.
I found an even earlier paper [4] by an IBM researcher (from May 1961) which defines "primary key" and "secondary key" in the context of identifying a row in a data file. The meanings given to "primary" and "secondary" are a bit different: "If a file is in any way ordered on a given key, that key is primary and other keys are secondary." [4]: 218
Susning.nu: a Swedish online wiki started in 2001; anyone-can-edit encyclopedia until 2004; shut down in 2009; Svensk uppslagsbok (2 editions, 31 and 32 volumes, 1929–1955) Svenska uppslagsverk: [15] a comprehensive bibliography maintained by collector Christofer Psilander; Swedish Wikipedia (Svenskspråkiga Wikipedia)
The Article 14 of the Albanian Constitution states that "The official language in the Republic of Albania is Albanian." [2] According to the 2011 population census, 2,765,610, 98.767% of the population declared Albanian as their mother tongue ("mother tongue is defined as the first or main language spoken at home during childhood").