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10 lines
681 B
Markdown
10 lines
681 B
Markdown
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# INTO OUTFILE Clause {#into-outfile-clause}
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Add the `INTO OUTFILE filename` clause (where filename is a string literal) to `SELECT query` to redirect its output to the specified file on the client-side.
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## Implementation Details
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- This functionality is available in the [command-line client](../../../interfaces/cli.md) and [clickhouse-local](../../../operations/utilities/clickhouse-local.md). Thus a query sent via [HTTP interface](../../../interfaces/http.md) will fail.
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- The query will fail if a file with the same filename already exists.
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- The default [output format](../../../interfaces/formats.md) is `TabSeparated` (like in the command-line client batch mode).
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