# \#data-integration **URL:** https://forum.datacebo.com/tag/data-integration/4.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… --- ## [Connecting to MSSQL](https://forum.datacebo.com/t/connecting-to-mssql/406)
**Author:** [@rizwan](https://forum.datacebo.com/u/rizwan)\ **Replies:** 8\ **Last updated:** [February 12, 2026, 4:19pm UTC](https://forum.datacebo.com/t/connecting-to-mssql/406 "2026-02-12T16:19:59Z")
Which software are you using? SDV Enterprise Software Details (What is your SDV version? Python version?): 0.37, 8.10 Description I have followed the instructions on docs.sdv.dev for MSSQL connections. I can connect, l… --- ## [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… --- ## [\[Resolved\] CSVHandler and large file reading](https://forum.datacebo.com/t/resolved-csvhandler-and-large-file-reading/296)
**Author:** [@epicvu](https://forum.datacebo.com/u/epicvu)\ **Replies:** 7\ **Last updated:** [April 23, 2025, 5:55pm UTC](https://forum.datacebo.com/t/resolved-csvhandler-and-large-file-reading/296 "2025-04-23T17:55:45Z")
Hi, I am currently testing the CSVHandler on a really large database of mine. I have a dump in csv files of each tables (50ish tables) but some of the tables are either empty or really full (around 10Gbs). I know that i… --- ## [Large Model Training and Synthesizing](https://forum.datacebo.com/t/large-model-training-and-synthesizing/235)
**Author:** [@giovanni.circo](https://forum.datacebo.com/u/giovanni.circo)\ **Replies:** 2\ **Last updated:** [August 23, 2024, 6:31pm UTC](https://forum.datacebo.com/t/large-model-training-and-synthesizing/235 "2024-08-23T18:31:21Z")
This is a more general question regarding the scalability of the multi-table synthesizers to very large training sets and synthesized sets which are too large to fit into memory. If I have a very large database which ca… --- ## [SDV and SQL Dump file](https://forum.datacebo.com/t/sdv-and-sql-dump-file/216)
**Author:** [@epicvu](https://forum.datacebo.com/u/epicvu)\ **Replies:** 3\ **Last updated:** [June 27, 2024, 8:20pm UTC](https://forum.datacebo.com/t/sdv-and-sql-dump-file/216 "2024-06-27T20:20:44Z")
Hi, It’s been a while! I am currently working on a module that generates SDV metadata from .sql structure dump file. I was wondering if you guys were working on something similar or it wasn’t in the picture at the momen… --- ## [\[Resolved\] TypeError: ufunc 'isinf' not supported for the input types](https://forum.datacebo.com/t/resolved-typeerror-ufunc-isinf-not-supported-for-the-input-types/133)
**Author:** [@anna.popovychenko](https://forum.datacebo.com/u/anna.popovychenko)\ **Replies:** 7\ **Last updated:** [April 29, 2024, 10:52pm UTC](https://forum.datacebo.com/t/resolved-typeerror-ufunc-isinf-not-supported-for-the-input-types/133 "2024-04-29T22:52:57Z")
Hello, I get bellow error during hsasynthesizer.fit(): Traceback (most recent call last): File “C:\\Users\\anna.popovychenko\\project\\sdv\_trial\\gen.py”, line 74, in synthesizer.fit(real\_data) File “C:\\Users\\anna.popov…