Batch import data from multiple HTML files to a single Redshift table

Want to batch import data from HTML files to Redshift?

Try Withdata FileToDB, a HTML file to Redshift converter for Windows, MacOS, and Linux, Easy and Fast.

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Batch import data from HTML files to Redshift

Choose Redshift and logon.

convert HTML file to Redshift table - Choose Redshift and logon

Click “Wizard – N Files To 1 Table” at task dialog.

convert HTML file to Redshift table - task window

Select the “HTML” file type.

Import file data to Redshift table - select file type

then show the wizard.

1. Select a folder that constains HTML files.

Batch import HTML files data To Redshift - select a folder

2. Config first HTML file importing options.

Batch import HTML files data To Redshift - config first file

3. Select a Redshift table and config fields.

Bulk load HTML files data To Redshift - select table

4. Preview data.

Batch transfer HTML files data To Redshift - preview

5. Import HTML files to the Redshift table.

Batch copy HTML files data To Redshift - import data

View imported data

Batch copy HTML files data To Redshift - view data


More about HTML file to Redshift converter

HTML → Redshift reference

Type mapping

Value kindin HTMLin Redshift
Int<td>1234</td>integer
Bigint<td>9007199254740993</td>bigint
Decimal<td>1234.56</td>numeric(p,s)
Float<td>1.234e+10</td>double precision
Text<td>text</td>varchar(n)
Long text<td>multi-line text</td> (entities for &amp; &lt;)varchar(max)
Date<td>2026-09-18</td>date
Datetime<td>2026-09-18 14:30:00</td>timestamp
Binarynot representable in a cell(none)
Boolean<td>true</td>boolean
JSON<td>{&quot;a&quot;:1}</td> (quotes escaped)super

Dialect differences

HTML is a file format and Redshift is a database server, so the target has to be told the types the file never carried – the rows below are where the two sides diverge.

Propertyin HTMLin Redshift
port—5439
identifiersAttribute values in quotes; entities for reserved characters"double quotes"
row limit—LIMIT n
datesWhatever text was renderedtimestamp, date
long text—VARCHAR(MAX)
binarydata: URIs inside src attributes—
separatorTags, not delimiters—
encodingDeclared in a meta charset tag or the HTTP header—
typingNone—
shapeFree form; tables are row/column structures inside markupTables of rows and columns
ceilingNo formal limit—

Command line

SideCommand
RedshiftUNLOAD to S3
Redshift (load)COPY from S3

No counterpart

  • HTML values of kind Binary have nowhere to go in Redshift.

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