58 lines
1.6 KiB
Markdown
58 lines
1.6 KiB
Markdown
# Data Controller for SAS® - Dates & Datetimes
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## Overview
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Dates & datetimes are stored as plain numerics in regular SAS tables. In order for the Data Controller to recognise these values as dates / datetimes a format must be applied.
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Supported date formats:
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* DATE.
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* DDMMYY.
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* MMDDYY.
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* YYMMDD.
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* E8601DA.
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* B8601DA.
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* NLDATE.
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Supported datetime formats:
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* DATETIME.
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* NLDATM.
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Supported time formats:
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* TIME.
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* HHMM.
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In SAS 9, this format must also be present / updated in the metadata view of the (physical) table to be displayed properly. This can be done using DI Studio, or by running the following (template) code:
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```sas
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proc metalib;
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omr (library="Your Library");
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folder="/Shared Data/table storage location";
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update_rule=(delete);
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run;
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```
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!!! note
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Data Controller does not support decimals when EDITING. For datetimes, this means that values must be rounded to 1 second (milliseconds are not supported).
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In the LOAD screen these dates display as **ISO 8601** (`YYYY-MM-DD`, `HH:mm:ss`, `YYYY-MM-DDTHH:mm:ss`) regardless of the user's locale. This guarantees:
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- Consistent CSV / Excel exports across geographies
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- Predictable copy / paste between cells and into external tools
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- No more `1/2/2026` vs `2/1/2026` ambiguity at edit time
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If you need a locale-specific *display* (eg `DD/MM/YYYY`) on a per-column basis, use the new [`NUMBER_FORMAT`](/dcc-validations/) rule with an `Intl.DateTimeFormat`-compatible JSON value.
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If you have other dates / datetimes / times you would like us to support, do [get in touch](https://datacontroller.io/contact)!
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