SELECT a.child_fname,a.child_lname,concat(b.parent_title,b.parent_fname),
b.parent_lname,b.parent_tphone
FROM child a,parent b WHERE a.parent_id=b.parent_id
ORDER BY a.child_fname,a.child_lname;

SELECT c.act_name 'Activity',concat(a.child_fname,a.child_lname) 'Child Name'
FROM child a,attendence b,activity c
WHERE a.child_id=b.child_id and b.act_id=c.act_id
AND b.act_id=4;

SELECT c.act_name 'Activity',a.child_gender  'Gender',
count(a.child_gender) 'No of Registered Children'
FROM child a,attendence b,activity c
WHERE c.act_id=b.act_id and b.child_id=a.child_id
group by c.act_id,a.child_gender;

SELECT child_fname ‘First Name’,child_lname ‘Sur Name’,
floor(datediff(curdate(),child_dob)/365) 'Age (Yrs)'
FROM child
ORDER BY floor(datediff(curdate(),child_dob)/365) DESC,
child_lname,child_fname;