A client side column oriented DBMS

Zeldus is a client side database management system that once loaded can be queried with regular SQL syntax.

View the project on GitHub
API documentation

Example queries

select shipdate 
from lineitem

select shipdate, linenumber 
from lineitem

select shipdate 
from lineitem 
where shipdate > 19940101

select linenumber 
from lineitem 
where shipdate > 19940101

select linenumber, shipmode 
from lineitem 
where supplierkey = 777 
and shipdate > 19940101

...and many more!

Table: lineitem

• orderkey (int)
• partkey (int)
• supplierkey (int)
• linenumber (int)
• quantity (decimal)
• extendedprice (decimal)
• discount (decimal)
• tax (decimal)
• returnflag (string)
• linestatus (string)
• shipdate (int)
• commitdate (int)
• receiptdate (int)
• shipinstruct (string)
• shipmode (string)
• comment (string)

select, from and where

=, >, <, >=, <=, <> and !=

group by, count, sum, min, max