why do we need an optional keyword OUTER in sql?
34096
LEFT JOIN vs. LEFT OUTER JOIN in SQL Server
5515
Benefits of using backtick (`) in MySQL queries?
58304
Why are queries parsed in such a way that disallows the use of column aliases in most clauses?
72088
Why shouldn't we allow NULLs?
88476
What does (+) do in Oracle SQL?
64531
Should I use != or  for not equal in T-SQL?
26686
What are the use cases for selecting CHAR over VARCHAR in SQL?
69655
Should I use two "where" clauses or "&&" in my LINQ query?
157063
Some part of your SQL statement is nested too deeply. Rewrite the query or break it up into smaller queries
121322
How do you drop a default value or similar constraint in T-SQL?
17367
Fluent and Query Expression — Is there any benefit(s) of one over other?
16236
Is it possible to enforce unique values in a column, excluding nulls?
155601
In SQL, is it OK for two tables to refer to each other?
126514
Does anyone use Right Outer Joins?
110721
Nullable types and the ternary operator: why is `? 10 : null` forbidden?
67905
Difference between RIGHT & LEFT JOIN vs RIGHT & LEFT OUTER JOIN in SQL
61790
What does a colon before a literal in an SQL statement mean?