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#What databases exist? #SHOW DATABASES; #Select a database USE simplewiki_p; #Show all tables in the database #SHOW TABLES; #Get info about a table #DESCRIBE page; #Select everything from a table (or some column), limit the number of entires like .head() #SELECT * FROM page LIMIT 10 #Order table #SELECT * FROM revision ORDER by rev_timestamp LIMIT 10 #Order table but descending #SELECT rev_page FROM revision ORDER by rev_timestamp DESC limit 10 #Join tables #SELECT rev_page, page_title, rev_timestamp FROM revision JOIN page ON rev_page = page_id ORDER by rev_timestamp ASC limit 10; #16 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%" GROUP by rev_user DESC LIMIT 10000; #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;
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