I want to improve the performance of an SQL statement.
I am on version 13.
Here are the sample codes and the query I am interested in.
drop table ords;
CREATE TABLE ords (
ORD_ID INT NOT NULL,
I am building a table that contains chemical compounds (many millions of rows) and of those compounds certain predetermined features/fragments are flagged in a fixed length bitstring.
This bitstring ...
Today I've been doing some reading on the difference between the two and I think I've got a reasonable idea of each.
Index Only: Accesses heap pages as it moves through the index, possibly access the ...
Please clarify the difference between BitMap Index and Btree index. I am using mysql version 5.5.37-0ubuntu0.12.04.1.
I can able to create Btree index but unable to create the same,
Please find the ...