Database Join Performance Comparison
7675
Explicit vs implicit SQL joins
1757
Database throughful design vs Quick and dirty design comparison
4094
What is the difference between "INNER JOIN" and "OUTER JOIN"?
117531
Best practice between using LEFT JOIN or NOT EXISTS
47701
Why is string concatenation faster than array join?
39449
Database Design Best Practices
149851
How do I perform the SQL Join equivalent in MongoDB?
48826
Difference between JOIN and INNER JOIN
29704
Java Embedded Databases Comparison
67905
Difference between RIGHT & LEFT JOIN vs RIGHT & LEFT OUTER JOIN in SQL
41314
Is there a REAL performance difference between INT and VARCHAR primary keys?
8200
Performance of a Trigger vs Stored Procedure in MySQL
103080
slow query with fulltext and left join
142713
Hash join between master/detail tables produces too-low cardinality estimate
16178
SQL JOIN - WHERE clause vs. ON clause
152775
Alternative to Intersect in MySQL
128580
Efficiently storing query-affecting settings in a database