Results
| A | R | B | Q |
|---|---|---|---|
| john_adams | child | john_quincy_adams | 1 |
| john_quincy_adams | president_order | first | 6 |
| george_hw_bush | child | george_w_bush | 1 |
| george_w_bush | president_order | first | 43 |
Code
Memelang: .child.president_order
SQL: SELECT m0.aid as aid, CONCAT(m0.rid, ' ', m1.rid) AS rid, CONCAT(m0.bid, ' ', m1.bid) AS bid, CONCAT(m0.qnt, ' ', m1.qnt) AS qnt FROM meme m0 JOIN meme m1 ON m0.bid=m1.aid WHERE m0.rid='child' AND m1.rid="president_order" AND m0.qnt!=0 AND m1.qnt!=0;
Memelang Demo
This is demonstration of translating Memelang to SQL for querying relational databases. See the PHP code in GitHub. A Python implementation is coming soon. Example queries:
Show all data in the database.
qry.all
All about George Washington.
george_washington
Who were children of the presidents?
.child
Which presidents were members of the Whig party?
.party:whig
Which presidents were born before 1820?
.birth.year:ad<1820
Which presidents attended Columbia and were lawyers?
.college:columbia .lawyer
Who were the spouses of the twentieth through thirtieth presidents?
.president_order>=20 .president_order<=30 .spouse
Which presidents did not have children?
.president_order .child=f
Use qry.all to return all memes related to the matching As.
.college:harvard .college:columbia qry.all
Get all about James Carter as well as Ronald Reagan.
james_carter; ronald_reagan
Which presidents were lawyers that attended Harvard or William and Mary?
.lawyer .college:harvard=t1 .college:william_and_mary=t1
What were the professions of the presidents?
?profession
What were the professions of George Washington?
george_washington?profession
Which presidents previously worked for New York state?
new_york'?profession
Which presidents has children that became presidents?
.child.president_order