…storage engines have very important differences which can affect performance dramatically. The three main issues…are scanned. There are…when this problem is the most dramatic. Some joins are also better than others. For example if you have star join with dimention tables…
Post: MySQL 5.6 vs MySQL 5.5 and the Star Schema Benchmark
March 11, 2013 By 7 Comments
…issue. This was very different from MySQL 5.5.30, which performs…table scans access the table by primary key. This forces the storage engine…there…are the results from joining the tables in the other direction mysql> select straight_join sum(lo_extendedprice*lo_discount) as revenue from dim_date join…
Comment: Database problems in MySQL/PHP Applications
August 11, 2006 By 13 Comments
…storage engine like Archive… > 3. Using multiple databases Honestly I do not see application using > one database per table…There are many successful applications, using tens of thousands > of tables per host and archiving great performance by doing so. > Using multiple tables…
