Lamak questions

Lamak answers

• How to use calculated field in another field of the same query
• How can I use SQL to get a variable value from a literal?
• SQL: query one column in same table
• Concatenate the result of an ordered String_Split in a variable
• Workaround for outer join with an IN operator in Oracle
• fetch most recent non null record
• SQL Server sum of float should give value of 1 but filter says otherwise
• SQL Pivot with varying number of rows and compound key to form columns
• Find a specific column entry in an unknown table in a database?
• Why do I get an error when using ROW_NUMBER in SQL Server?