# \#database

**URL:** https://community.cdata.com/tag/database/189.md

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## [My query stops works from 2025/1/6.](https://community.cdata.com/t/my-query-stops-works-from-2025-1-6/1263)

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**Author:** [@daryluo](https://community.cdata.com/u/daryluo)\
**Replies:** 2\
**Last updated:** [January 20, 2026, 3:20am UTC](https://community.cdata.com/t/my-query-stops-works-from-2025-1-6/1263 "2026-01-20T03:20:53Z")

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Hi, CData team, we found that the following query text stops works from 2025/1/26. SELECT \[\[char\\\]\] FROM \[SQL\_KrewTestDB\].\[krewtestdb\].\[bug2149\] LIMIT 500 My table as following, the data source is My SQL. You can see …

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## [System error: No such host is known when attempting to connect to a named instance of SQL Server (SERVERNAME\\INSTANCE)](https://community.cdata.com/t/system-error-no-such-host-is-known-when-attempting-to-connect-to-a-named-instance-of-sql-server-servername-instance/691)

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**Author:** [@James\_B](https://community.cdata.com/u/James_B)\
**Replies:** 0\
**Last updated:** [April 9, 2024, 3:30pm UTC](https://community.cdata.com/t/system-error-no-such-host-is-known-when-attempting-to-connect-to-a-named-instance-of-sql-server-servername-instance/691 "2024-04-09T15:30:28Z")

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When creating a new SQL Server connection in CData Arc and setting the Server to the named instance form SERVERNAME\\INSTANCE, an error is encountered: Cause: CData Arc will attempt to resolve the Server value int…

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## [SQL Server connector " Unable to retrieve columns "](https://community.cdata.com/t/sql-server-connector-unable-to-retrieve-columns/239)

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**Author:** [@russell-jerseypost](https://community.cdata.com/u/russell-jerseypost)\
**Replies:** 1\
**Last updated:** [July 10, 2023, 4:15pm UTC](https://community.cdata.com/t/sql-server-connector-unable-to-retrieve-columns/239 "2023-07-10T16:15:08Z")

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I’m seeing this in my logs \[2023-07-10T16:25:14.617\] \[Info\] \[DRIVER\] 2023-07-10T16:25:14.617+01:00 2 \[45|Q-Id\] \[META|Schema\] Executing column schema query: \[Shipment\]\[2023-07-10T16:25:14.617\] \[Info\] \[DRIVER\] 2023-07-1…