Query with join or without join?
7675
Explicit vs implicit SQL joins
28969
MySQL syntax for Join Update
138361
What's faster, SELECT DISTINCT or GROUP BY in MySQL?
74632
Query without having to specify table's schema
24009
How do I bulkify queries for directly or indirectly related records?
148551
Convert SQL query with join to lambda expression
55290
join syntax / style performance consideration
120518
Explanation of self-joins
20874
SOQL result ordering in the absence of an Order By clause
69655
Should I use two "where" clauses or "&&" in my LINQ query?
32341
MySQL pagination without double-querying?
73561
Oracle Joins - Comparison between conventional syntax VS ANSI Syntax
52259
Is SOQL query with ID condition optimized to work as limit 1?
16977
Delete with Join in MySQL
110895
Get the inverse of a join?
76298
What is the difference between Left, Right, Outer and Inner Joins?
69613
How do I add a condition to a query?