optimize wp project queries

use wikidatawiki_p;
	SELECT page_title,(SELECT count(*) FROM wb_items_per_site WHERE ips_item_id=substr(page_title,2)*1) AS sitelink_count
	FROM page
	WHERE page_namespace=0
		AND NOT EXISTS (SELECT * FROM wb_items_per_site WHERE ips_item_id=substr(page_title,2)*1 AND ips_site_id='lvwiki' LIMIT 1)
		AND page_title IN ("Q4811246")
	GROUP BY page_title
--------------
use enwiki_p;
SELECT DISTINCT p.page_id,p.page_title,p.page_namespace,p.page_touched,p.page_len
		from page p
			where p.page_namespace IN(0)  AND p.page_is_redirect=0
            and exists (SELECT * FROM templatelinks,page pt WHERE MOD(p.page_namespace,2)=0 AND pt.page_title=p.page_title
                        AND pt.page_namespace=p.page_namespace+1
                          AND tl_from=pt.page_id AND tl_namespace=10 AND tl_title = "WikiProject_Belarus")
--------------------
šis ir ļoti ok - 20 sekundes Baltkrievijai
use enwiki_p;
SELECT count(l.ll_lang) as langs, ll_from
		from langlinks l
		join page p on p.page_id=l.ll_from
        #DISTINCT p.page_id,p.page_title,p.page_namespace,p.page_touched,p.page_len
		#from page p
			where p.page_namespace IN(0)  AND p.page_is_redirect=0
            and not exists (select * from langlinks m where m.ll_from=l.ll_from and m.ll_lang="lv")
            and exists (SELECT * FROM templatelinks,page pt WHERE MOD(p.page_namespace,2)=0 AND pt.page_title=p.page_title
                        AND pt.page_namespace=p.page_namespace+1
                          AND tl_from=pt.page_id AND tl_namespace=10 AND tl_title = "WikiProject_Belarus")
		group by l.ll_from
		order by count(l.ll_lang) desc

SQL

use wikidatawiki_p;
	SELECT page_title,(SELECT count(*) FROM wb_items_per_site WHERE ips_item_id=substr(page_title,2)*1) AS sitelink_count
	FROM page
	WHERE page_namespace=0
		AND NOT EXISTS (SELECT * FROM wb_items_per_site WHERE ips_item_id=substr(page_title,2)*1 AND ips_site_id='lvwiki' LIMIT 1)
		AND page_title IN ("Q4811246")
	GROUP BY page_title

SQL

Checking query status...