# PrimaryKey

inner class PrimaryKey(val columns: Array<Column<*>>, name: String? = null)

Represents a primary key composed by the specified columns, and with the specified name. If no name is specified, the table name with the "pk_" prefix will be used instead.

#### Samples

org.jetbrains.exposed.v1.tests.demo.sql.Users

## Constructors

PrimaryKey
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constructor(columns: Array<Column<*>>, name: String? = null)
constructor(firstColumn: Column<*>, vararg columns: Column<*>, name: String? = null)

## Properties

columns
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val columns: Array<Column<*>>

Returns the columns that compose the primary key.

name
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val name: String

Returns the name of the primary key.