SQL Query
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.qnt!=0 AND m0.rid="birth" AND m1.rid="year" AND m1.bid="year" AND m1.qnt<1820;
Results
ARBQ
Memelang SQL Demo
This is demonstration of translating Memelang to SQL for querying relational databases. See the PHP code in GitHub. A Python version is coming soon. Example queries:
Show all data in this DB.
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 attended Harvard?
.college:harvard
Which presidents were born before 1820?
.birth.year:ad<1820
Which presidents attended Columbia and were lawyers?
.college:columbia .lawyer
Who were the twentieth through thirtieth presidents?
.president_order>=20 .president_order<=30
Which presidents attended a college that was not Harvard?
.college .college:harvard=f
Which presidents did not have children?
.president_order .child=f
Who were the spouses of the twentieth through thirtieth presidents?
.president_order>=20 .president_order<=30 .spouse
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
Which presidents has children that became presidents?
.child.president_order