# Data Sync issue

**URL:** https://www.batmunkh.net/t/data-sync-issue/1040
**Category:** Oracle Database
**Tags:** data
**Created:** [January 28, 2019, 7:03am UTC](https://www.batmunkh.net/t/data-sync-issue/1040 "2019-01-28T07:03:14Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Gansukh](https://www.batmunkh.net/letter_avatar_proxy/v4/letter/g/e95f7d/32.png) [@Gansukh](https://www.batmunkh.net/u/Gansukh)
#### Post date: [January 28, 2019, 7:03am UTC](https://www.batmunkh.net/t/data-sync-issue/1040/1 "2019-01-28T07:03:14Z")

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HI all.  
DB Link ashiglaad 2 DB hooron table sync hiiheer zarim column ni null orj ireed eniig yaaj shiideh ve. NLS bolood bna uu.  
NLS\_NCHAR\_CHARACTERSET AL16UTF16 – \> NLS\_NCHAR\_CHARACTERSET UTF8 iim bgaa.