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5
votes
1answer
135 views
Walking a BTREE index as far as possible in MySQL
Suppose one has a column of words on which one builds a BTREE index:
CREATE TABLE myTable (
words VARCHAR(25),
INDEX USING BTREE (words)
);
LOAD DATA LOCAL INFILE '/usr/share/dict/words' INTO ...
3
votes
3answers
650 views
Optimizing DELETE Query on MySQL MEMORY Table
I run a large forum which maintains a MySQL database for backend data storage. The 'session' table tracks logged in users & guests. It is currently about 100k records, so not really that large. ...
2
votes
4answers
461 views
Benefits of BTREE in MySQL
What are the pros and cons of using a BTREE index in MySQL, regarding query speed, disk storage and memory usage?
Does BTREE provide easier iteration in increasing order ?
What kind of queries would ...
