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#SHOW DATABASES; USE simplewiki_p; #SHOW TABLES; #DESCRIBE page; #SELECT * FROM page LIMIT 10; #Limit to 10 entries #SELECT * FROM revision LIMIT 10; #SELECT * FROM revision ORDER by rev_timestamp LIMIT 10; #SELECT rev_page FROM revision ORDER by rev_timestamp DESC limit 10; # DESC = Descending, ASC = Ascending odering #SELECT rev_page, page_title, rev_timestamp FROM revision JOIN page ON rev_page = page_id ORDER by rev_timestamp ASC limit 10; #SELECT * FROM user limit 10; #SELECT rev_page, page_title, rev_timestamp, rev_user, user_name FROM revision #JOIN page ON rev_page = page_id #JOIN user ON rev_user= user_id ORDER by rev_timestamp ASC limit 10; #SELECT COUNT(rev_id) FROM revision WHERE rev_user = "66249"; #SELECT COUNT(rev_id) FROM revision GROUP by rev_user LIMIT 10; #SELECT COUNT(rev_id) AS editcounts FROM revision GROUP by rev_user ORDER BY editcounts DESC LIMIT 10; #SELECT COUNT(rev_id) AS editcounts, rev_user, user_name FROM revision #JOIN user ON user_id = rev_user GROUP by rev_user ORDER BY editcounts DESC LIMIT 10; SELECT COUNT(rev_id) AS editcounts, rev_user, user_name, user_registration FROM revision JOIN user ON user_id = rev_user WHERE user_name NOT LIKE "%bot%" AND user_name NOT LIKE "%Bot%" AND user_name NOT LIKE "%BoT%" GROUP by rev_user ORDER BY editcounts DESC LIMIT 10; # 17. SELECT COUNT(rev_id) AS editcounts, page_title FROM revision JOIN user ON rev_user = user_id JOIN page ON page_id = rev_page WHERE user_name="Auntof6" GROUP BY rev_page ORDER BY editcounts DESC LIMIT 10; #18. SELECT COUNT(rev_id) AS editcounts, page_title FROM revision JOIN user ON rev_user = user_id JOIN page ON page_id = rev_page WHERE user_name="Auntof6" and page_namespace = "0" GROUP BY rev_page ORDER BY editcounts DESC LIMIT 10; #19. Pagelinks SELECT pl_from, page_title FROM pagelinks JOIN page ON page_id = pl_from WHERE pl_title = "Oxford" AND pl_namespace = "0" LIMIT 10; #Quiz1: What pages does the page “Oxford” link to? #20. SELECT pl_title FROM pagelinks JOIN page ON page_id = pl_from WHERE page_title = "Oxford" AND pl_namespace = "0" and page_namespace = "0" LIMIT 10; #Quiz 2: The most linked to page on Simple Wikipedia? #21. SELECT COUNT(*) AS linkscount, pl_title FROM pagelinks WHERE pl_namespace = "0" GROUP BY pl_title ORDER BY linkscount DESC LIMIT 10; #Quiz 3: What is the title of the page on Simple Wikipedia with the largest number of sister articles in other languages? #22. SELECT COUNT(*) AS langcounts, ll_from, page_title FROM langlinks JOIN page on ll_from = page_id WHERE page_namespace = 0 GROUP BY ll_from ORDER BY langcounts DESC LIMIT 10; #Relation between number of users and number of edits to each page: #23. SELECT COUNT(DISTINCT rev_user) AS usercounts, COUNT(rev_id) editcounts FROM revision JOIN page ON page_id = rev_page group by rev_page LIMIT 10;
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