# \#metadata **URL:** https://forum.datacebo.com/tag/metadata/3.md [Latest](https://forum.datacebo.com/latest.md) · [Categories](https://forum.datacebo.com/categories.md) · [Tags](https://forum.datacebo.com/tags.md) --- ## [Specify Composite Keys in the Metadata](https://forum.datacebo.com/t/specify-composite-keys-in-the-metadata/425)
**Author:** [@neha](https://forum.datacebo.com/u/neha)\ **Replies:** 0\ **Last updated:** [March 30, 2026, 3:57pm UTC](https://forum.datacebo.com/t/specify-composite-keys-in-the-metadata/425 "2026-03-30T15:57:18Z")
Starting from the latest SDV Enterprise release, you can specify composite keys directly in your SDV metadata. Then, you can supply the metadata (containing composite keys) to a synthesizer, and use it to create realisti… --- ## [The importance of leading zeros](https://forum.datacebo.com/t/the-importance-of-leading-zeros/408)
**Author:** [@neha](https://forum.datacebo.com/u/neha)\ **Replies:** 0\ **Last updated:** [February 11, 2026, 2:21pm UTC](https://forum.datacebo.com/t/the-importance-of-leading-zeros/408 "2026-02-11T14:21:07Z")
We’ve recently made an important enhancement to the way SDV imports data: We now retain leading zeros from the original CSV file when loading it into Python, which can dramatically improve your usage of SDV. Leading zer… --- ## [Improving metadata auto-detection of primary/foreign key connections](https://forum.datacebo.com/t/improving-metadata-auto-detection-of-primary-foreign-key-connections/298)
**Author:** [@neha](https://forum.datacebo.com/u/neha)\ **Replies:** 10\ **Last updated:** [May 9, 2025, 3:22pm UTC](https://forum.datacebo.com/t/improving-metadata-auto-detection-of-primary-foreign-key-connections/298 "2025-05-09T15:22:02Z")
I’m starting this topic to discuss the overall issue of improving the metadata auto-detection for primary and foreign key connections. It will be helpful to reply with examples of cases where metadata auto-detection did … --- ## [\[Resolved\] Multitable Metadata Import Issue](https://forum.datacebo.com/t/resolved-multitable-metadata-import-issue/261)
**Author:** [@bhavya.kundra](https://forum.datacebo.com/u/bhavya.kundra)\ **Replies:** 3\ **Last updated:** [November 12, 2024, 5:25pm UTC](https://forum.datacebo.com/t/resolved-multitable-metadata-import-issue/261 "2024-11-12T17:25:08Z")
So, I am working on a multi table SDV project. When I am importing Metadata from sdv multi table library, I am getting the following error as you can see the below screenshot:- I have tried with the previous versions… --- ## [\[Resolved\] Specifying regex format for ID columns](https://forum.datacebo.com/t/resolved-specifying-regex-format-for-id-columns/163)
**Author:** [@kalyan](https://forum.datacebo.com/u/kalyan)\ **Replies:** 8\ **Last updated:** [April 29, 2024, 10:06pm UTC](https://forum.datacebo.com/t/resolved-specifying-regex-format-for-id-columns/163 "2024-04-29T22:06:42Z")
Hi @ashok.kumar.muthimen for ID columns you can specify regex format so what is generated follows the format. This is in the metadata. You can read the documentation here: Sdtypes | Synthetic Data Vault You can edit the… --- ## [\[Resolved\] Metadata detect](https://forum.datacebo.com/t/resolved-metadata-detect/156)
**Author:** [@ashok.kumar.muthimen](https://forum.datacebo.com/u/ashok.kumar.muthimen)\ **Replies:** 27\ **Last updated:** [April 29, 2024, 10:00pm UTC](https://forum.datacebo.com/t/resolved-metadata-detect/156 "2024-04-29T22:00:31Z")
I just started synthetic data generation for one of our table with test data by importing csv file. Facing issue with metadata detection . ValueError: The truth value of a DataFrame is ambiguous. Use a.empty, a.bool(), …