Inner joining multiple columns to one ID
35704
How do you join on the same table, twice, in mysql?
56088
Single drop down with data from separate columns
86478
SQL query that concatenates values from duplicate rows in a single table
132463
Unioning two tables with different number of columns
157702
SQL Server – inserting multiple rows with single (ANSI style) statement
105823
How can multiple rows be concatenated into one in Oracle without creating a stored procedure?
21454
Adding an identity to an existing column
86298
How do I (or can I) SELECT DISTINCT on multiple columns?
150733
Create an ID (row number) column
3056
SQL Server - Combining OUTER and INNER joins
94317
mysql query unite 2 columns
62976
Concatenating a string and primary key Id while inserting
22982
Most efficient way to call same Table-Valued Function on multiple columns in a Query
146163
Combining queries into one
142348
Oracle: Combine multiple results in a subquery into a single comma-separated value
97639
Combine multiple rows into one MySQL Join
154797
Oracle Combine several columns into one