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sql - How to do a Select in a Select - Stack Overflow I have a table containing a unique ID field Another field (REF) contains a reference to another dataset's ID field Now I have to select all datasets where REF points to a dataset that doesn't exi
sql server - INSERT INTO vs SELECT INTO - Stack Overflow The simple difference between select Into and Insert Into is: --> Select Into don't need existing table If you want to copy table A data, you just type Select * INTO [tablename] from A
sql - Case in Select Statement - Stack Overflow Using a SELECT statement with a searched CASE expression Within a SELECT statement, the searched CASE expression allows for values to be replaced in the result set based on comparison values
sql server - SQL select from a select query - Stack Overflow I want to do a select request that perform a first select and then use that selection to perform a second select I made a 1st version using a temp table but I would like to know if there is a way
sql - DISTINCT for only one column - Stack Overflow SELECT DISTINCT TOP 1 ID, Email, ProductName, ProductModel FROM Products ORDER BY ID DESC The TOP 1 will return only the first record, by ordering it by the ID descending it will return the results with the last row first This will give you the last record