Query to determine if items have tax
52984
How can I better optimize my tables and a LEFT JOIN query to find items that don't yet exist in the right table?
73787
How check with SOQL if a picklist value is available or not for a specified record type
134270
adding an item to filtered table
73137
SQL: IF clause within WHERE clause
24679
MS Access Contains query
64531
Should I use != or  for not equal in T-SQL?
110469
Multiple WHERE clause in Linq
91887
Select statement to find duplicates on certain fields
12721
Filtering collections in C#
81721
Can I get US sales taxes refunded for electronics purchased while on vacation?
97129
MySQL case sensitive query
153161
How to find if a valuation satisfies a statement?
69655
Should I use two "where" clauses or "&&" in my LINQ query?
143206
How to check if all list items have the same value and return it, or return an “otherValue” if they don’t?
46339
How do I compare 2 rows from the same table (SQL Server)?
16391
How to create complex conditional clauses / queries?
114337
How to check that SObject field is present in SOQL query