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Artur 2021-08-13 16:55:03 +00:00
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docs/en/sql-reference/statements/create/table.md
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@ -254,6 +254,7 @@ CREATE TABLE codec_example
ENGINE = MergeTree() ENGINE = MergeTree()
``` ```
<!--
### Encryption Codecs {#create-query-encryption-codecs} ### Encryption Codecs {#create-query-encryption-codecs}
These codecs don't actually compress data, but instead encrypt data on disk. These are only available when an encryption key is specified by [encryption](../../../operations/server-configuration-parameters/settings.md#server-settings-encryption) settings. Note that encryption only makes sense at the end of codec pipelines, because encrypted data usually can't be compressed in any meaningful way. These codecs don't actually compress data, but instead encrypt data on disk. These are only available when an encryption key is specified by [encryption](../../../operations/server-configuration-parameters/settings.md#server-settings-encryption) settings. Note that encryption only makes sense at the end of codec pipelines, because encrypted data usually can't be compressed in any meaningful way.
@ -267,7 +268,7 @@ Encryption codecs:
!!! attention "Attention" !!! attention "Attention"
If you perform a SELECT query mentioning a specific value in an encrypted column (such as in its WHERE clause), the value may appear in [system.query_log](../../../operations/system-tables/query_log.md). You may want to disable the logging. If you perform a SELECT query mentioning a specific value in an encrypted column (such as in its WHERE clause), the value may appear in [system.query_log](../../../operations/system-tables/query_log.md). You may want to disable the logging.
-->
## Temporary Tables {#temporary-tables} ## Temporary Tables {#temporary-tables}
ClickHouse supports temporary tables which have the following characteristics: ClickHouse supports temporary tables which have the following characteristics:

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tests/queries/0_stateless/test_infile.gz
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