unnecessary 1=1 in select query
11808
Why would someone use WHERE 1=1 AND  in a SQL clause?
55022
How to exclude a column from SELECT query?
132785
Comma separated value & wildcards in mysql
46432
What is the "N+1 selects problem" in ORM (Object-Relational Mapping)?
98700
Oracle "(+)" Operator
19627
Column count doesn't match value count at row 1
108907
MySQL returns only one row
16137
What is the use of the square brackets [] in sql statements?
64531
Should I use != or  for not equal in T-SQL?
55584
select * vs select column
100697
MySQL - Get row number on select
50422
Can't list users - "select * from user" returns only one row with one column
148850
Comma Separated values with SQL Query
58304
Why are queries parsed in such a way that disallows the use of column aliases in most clauses?
109185
SQL IN Statement - Value In (database_field)
40559
MySQL Wildcard for "=" - is there one
18537
Why using IN(...) when selecting on indexed fields, will kill the performance of SELECT query?