SUBSTR

Syntax

SUBSTR( string, from_index [ , length ] )

Description

Returns the substring string starting from the index from_index. The numbering starts with one.

If an additional argument length is specified, a substring of the specified length is returned.

Argument types:

  • string — String
  • from_index — Integer
  • length — Integer

Return type: String

Examples

SUBSTR("Computer", 3) = "mputer"

SUBSTR("Computer", 3, 2) = "mp"

Data source support

ClickHouse 21.8, Microsoft SQL Server 2017 (14.0), MySQL 5.7, Oracle Database 12c (12.1), PostgreSQL 9.3, YDB.

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