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fix: fixing teradata doc #513

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merged 4 commits into from
Jun 27, 2022
Merged

fix: fixing teradata doc #513

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ec5f70c
fixing teradata doc
renzokuken Jun 17, 2022
2d1dd1a
and the installation
renzokuken Jun 17, 2022
97ef916
fixing link and adding additional note
renzokuken Jun 23, 2022
68da0d8
fixing link and adding additional note
renzokuken Jun 23, 2022
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3 changes: 3 additions & 0 deletions README.md
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Expand Up @@ -464,6 +464,9 @@ and run a SHA256() hash and compare the source and target results. Since each ro
be returned in the result set, it is recommended to utilize the `--use-random-row` feature
to validate a subset of the table.

Please note that SHA256 is not a supported function on teradata systems. If you wish to perform
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this comparison on teradata you will need to [deploy a UDF to perform the conversion](https://downloads.teradata.com/forum/extensibility/sha-2-udfs-for-teradata).

Comparison field validations (`--comp-fields column`) involve an value comparison of the
column values. These values will be compared via a JOIN on their corresponding primary
key and will be evaluated for an exact match.
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2 changes: 1 addition & 1 deletion docs/installation.md
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Expand Up @@ -105,7 +105,7 @@ If you require Teradata and have a license, install the `teradatasql` package.
python -m pip install teradatasql
```

If you plan to perform row level hashing on teradata, you will need to install a UDF that implements sha256 on your Teradata instance. An example can be found [here](.https://downloads.teradata.com/forum/extensibility/sha-2-udfs-for-teradata).
If you plan to perform row level hashing on teradata, you will need to install a UDF that implements sha256 on your Teradata instance. An example can be found [here](https://downloads.teradata.com/forum/extensibility/sha-2-udfs-for-teradata).

After installing the Data Validation package you will
have access to the `data-validation -h` or `python -m data_validation -h`
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