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SELECT e.ID, e.Name, e.Boss, (SELECT top 1 Name FROM Employees b where b.ID = e.Boss) as BossName FROM Employees e
I want to grab a value from a table into two different columns for different values from the same table. Use this query as an example (notice how the select is on the same table aliased as 2 different tables): SELECT a.myVal, b.myVal. FROM MyTable a, MyTable b. WHERE.
Here is an example that uses date functions. The following query selects all rows with a date_col value from within the last 30 days: . mysql> SELECT something FROM tbl_name-> WHERE DATE_SUB(CURDATE(),INTERVAL 30 DAY) <= date_col;. The query also selects rows with dates that lie in the future.
You can simply use the same column multiple times and add for each of them and as and use different name. SELECT column1 as c1, column1 as c2, column1 as c3 FROM TABLE1 WHERE ....
Date Function YEAR() The date function YEAR accepts a date, datetime, or valid date string and returns the Year part as an integer value. Syntax: YEAR(date)
28 maj 2020 · I have a simple select statement from one table that lists the same numeric column (TRANAMT) twice. If the number is positive (>0) I want it to show in the first reference of TRANAMT. If the number is negative (<0) I want it to should in the next reference of TRANAMT.
18 gru 2017 · You can used a derived table, where this table is defined in the FROM clause. I've given the long code the column aliases SourceField_A and SourceField_B. The derived table is aliased dT. For clarity, the SELECT clause can use the alias in front of the column name. For example, dT.SourceField_A
