AdventureWorks Database: Convert order date in the 'America/Denver' time zone
159. From the following table write a query in SQL to convert the order date in the 'America/Denver' time zone. Return salesorderid, order date, and orderdate_timezoneade.
Sample table: Sales.SalesOrderHeader
salesorderid|revisionnumber|orderdate |duedate |shipdate |status|onlineorderflag|purchaseordernumber|accountnumber |customerid|salespersonid|territoryid|billtoaddressid|shiptoaddressid|shipmethodid|creditcardid|creditcardapprovalcode|currencyrateid|subtotal |taxamt |freight |totaldue |comment|rowguid |modifieddate |
------------+--------------+-----------------------+-----------------------+-----------------------+------+---------------+-------------------+--------------+----------+-------------+-----------+---------------+---------------+------------+------------+----------------------+--------------+-----------+----------+---------+-----------+-------+------------------------------------+-----------------------+
43659| 8|2011-05-31 00:00:00.000|2011-06-12 00:00:00.000|2011-06-07 00:00:00.000| 5|false |PO522145787 |10-4020-000676| 29825| 279| 5| 985| 985| 5| 16281|105041Vi84182 | | 20565.6206| 1971.5149| 616.0984| 23153.2339| |79b65321-39ca-4115-9cba-8fe0903e12e6|2011-06-07 00:00:00.000|
43660| 8|2011-05-31 00:00:00.000|2011-06-12 00:00:00.000|2011-06-07 00:00:00.000| 5|false |PO18850127500 |10-4020-000117| 29672| 279| 5| 921| 921| 5| 5618|115213Vi29411 | | 1294.2529| 124.2483| 38.8276| 1457.3288| |738dc42d-d03b-48a1-9822-f95a67ea7389|2011-06-07 00:00:00.000|
43661| 8|2011-05-31 00:00:00.000|2011-06-12 00:00:00.000|2011-06-07 00:00:00.000| 5|false |PO18473189620 |10-4020-000442| 29734| 282| 6| 517| 517| 5| 1346|85274Vi6854 | 4| 32726.4786| 3153.7696| 985.553| 36865.8012| |d91b9131-18a4-4a11-bc3a-90b6f53e9d74|2011-06-07 00:00:00.000|
43662| 8|2011-05-31 00:00:00.000|2011-06-12 00:00:00.000|2011-06-07 00:00:00.000| 5|false |PO18444174044 |10-4020-000227| 29994| 282| 6| 482| 482| 5| 10456|125295Vi53935 | 4| 28832.5289| 2775.1646| 867.2389| 32474.9324| |4a1ecfc0-cc3a-4740-b028-1c50bb48711c|2011-06-07 00:00:00.000|
43663| 8|2011-05-31 00:00:00.000|2011-06-12 00:00:00.000|2011-06-07 00:00:00.000| 5|false |PO18009186470 |10-4020-000510| 29565| 276| 4| 1073| 1073| 5| 4322|45303Vi22691 | | 419.4589| 40.2681| 12.5838| 472.3108| |9b1e7a40-6ae0-4ad3-811c-a64951857c4b|2011-06-07 00:00:00.000|
43664| 8|2011-05-31 00:00:00.000|2011-06-12 00:00:00.000|2011-06-07 00:00:00.000| 5|false |PO16617121983 |10-4020-000397| 29898| 280| 1| 876| 876| 5| 806|95555Vi4081 | | 24432.6088| 2344.9921| 732.81| 27510.4109| |22a8a5da-8c22-42ad-9241-839489b6ef0d|2011-06-07 00:00:00.000|
43665| 8|2011-05-31 00:00:00.000|2011-06-12 00:00:00.000|2011-06-07 00:00:00.000| 5|false |PO16588191572 |10-4020-000146| 29580| 283| 1| 849| 849| 5| 15232|35568Vi78804 | | 14352.7713| 1375.9427| 429.9821| 16158.6961| |5602c304-853c-43d7-9e79-76e320d476cf|2011-06-07 00:00:00.000|
-- more --
Sample Solution:
-- Selecting SalesOrderID, OrderDate, and converting OrderDate to the timezone 'America/Denver'
SELECT
-- Selecting the SalesOrderID column from the SalesOrderHeader table
SalesOrderID,
-- Selecting the OrderDate column from the SalesOrderHeader table
OrderDate,
-- Converting OrderDate to the timezone 'America/Denver' and renaming the result column as OrderDate_TimeZonePST
OrderDate ::timestamp AT TIME ZONE 'America/Denver' AS OrderDate_TimeZonePST
-- From the SalesOrderHeader table
FROM
Sales.SalesOrderHeader;
Explanation:
- This SQL code retrieves the SalesOrderID and OrderDate from the SalesOrderHeader table and converts the OrderDate to the timezone 'America/Denver'.
- The SELECT statement specifies the columns to be included in the result set.
- The FROM clause indicates the table from which data is being retrieved, which is the SalesOrderHeader table.
- The OrderDate ::timestamp AT TIME ZONE 'America/Denver' expression converts the OrderDate column to the timezone 'America/Denver'.
- The result set will contain the SalesOrderID, original OrderDate, and OrderDate converted to the timezone 'America/Denver', labeled as OrderDate_TimeZonePST.
Sample Output:
salesorderid|orderdate |orderdate_timezoneade |
------------+-----------------------+-----------------------------+
43659|2011-05-31 00:00:00.000|2011-05-31 11:30:00.000 +0530|
43660|2011-05-31 00:00:00.000|2011-05-31 11:30:00.000 +0530|
43661|2011-05-31 00:00:00.000|2011-05-31 11:30:00.000 +0530|
43662|2011-05-31 00:00:00.000|2011-05-31 11:30:00.000 +0530|
43663|2011-05-31 00:00:00.000|2011-05-31 11:30:00.000 +0530|
43664|2011-05-31 00:00:00.000|2011-05-31 11:30:00.000 +0530|
43665|2011-05-31 00:00:00.000|2011-05-31 11:30:00.000 +0530|
43666|2011-05-31 00:00:00.000|2011-05-31 11:30:00.000 +0530|
43667|2011-05-31 00:00:00.000|2011-05-31 11:30:00.000 +0530|
43668|2011-05-31 00:00:00.000|2011-05-31 11:30:00.000 +0530|
...
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