Selecting based on criterion on a single column
90580
Select record when third column matches certain criterion
84665
Sum of rows based on column value
49421
Can a decision in a node of a decision tree be based on comparison between 2 columns of the dataset?
83264
Get Max value and corresponding column
25897
Custom unique constraint, only enforced if one column has a specific value
155343
Select multiple (non-aggregate function) columns with GROUP BY
63833
How to identify cells in Column A that contain any of the values in Column B
133138
Selecting more then one column when groupBy is present (db_select) - Drupal 8 added 'ONLY_FULL_GROUP_BY'
65531
How do I select elements of an array given condition?
69430
Select a particular rules out of a list
114840
Programmatically selecting non adjacent Cells
147236
How to select sub-lists having at least one element that matches a pattern
149449
Better query to select multiple columns into a single output column?
93921
Select groups based on number of unique / distinct values
156320
Selecting specific row in attribute table using ArcPy (without iterating through whole table)?
111539
Comparing the two set of data from columns
75449
How to use grep on column?