primarykeys

Get primary key information for database table or schema

Syntax

k = primarykeys(dbmeta, 'cata', 'sch')
k = primarykeys(dbmeta, 'cata', 'sch', 'tab')

Description

k = primarykeys(dbmeta, 'cata', 'sch') returns primary key information for all tables in the schema sch, of the catalog cata, for the database whose database metadata object is dbmeta.

k = primarykeys(dbmeta, 'cata', 'sch', 'tab') returns primary key information for the table tab, in the schema sch, of the catalog cata, for the database whose database metadata object is dbmeta.

Examples

Get primary key information for the DEPT table:

k = primarykeys(dbmeta,'orcl','SCOTT','DEPT')
k = 
   'orcl'   'SCOTT'   'DEPT'   'DEPTNO'   '1'   'PK_DEPT'

The results show the primary key information as described in the following table.

ColumnDescriptionValue

1

Catalog

orcl

2

Schema

SCOTT

3

Table

DEPT

4

Column name of primary key

DEPTNO

5

Sequence number within primary key

1

6

Primary key name

PK_DEPT

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