Mainframe Blog

Table & Row Functions in Db2 12

< 1 minute read
Stephen Watts

Table Functions

ADMIN_TASK_LIST

>_ADMIN_TASK_LIST()_______________________________________________________>

ADMIN_TASK_OUTPUT

>_ADMIN_TASK_OUTPUT(_task-name_,_num-invocations)_________________________>

ADMIN_TASK_STATUS

>_ADMIN_TASK_STATUS(____________________)_________________________________>
ǀ_max-history_ǀ

XMLTABLE

>_XMLTABLE_(______________________________row-xquery-expression-constant___>
ǀxmlnamespaces-declaration_,_ǀ
>__________________________________________________________________________>
ǀ                   <__ ,____________________________ ǀ ǀ _BY REF_ ǀ ǀ ǀ_PASSING_ǀ________ǀ_____row-xquery-argument________ǀ___ǀ >__________________________________________________________________________>
ǀ            </__><__ ,_____________________________________    ǀ
ǀ_COLUMNS_____xml-table-regular-column-definition_____ǀ_)_ǀ
ǀ_xml-table-ordinality-column-definition_ǀ

Row-xquery-argument:

>_xquery-context-item-expression_________________________________________>
ǀ_xquery-variable-expression_AS_identifier_ǀ

Xml-table-regular-column-definition:

>_column-name_data-type__________________________________________________>
ǀ_default-clause_________________________ǀ
ǀ_PATH_column-xquery-expression-constant_ǀ

Xml-table-ordinality-column-definition:

>_column-name_FOR ORDINALITY_____________________________________________>

Row Functions

UNPACK

>_UNPACK(expression)_____________________________________________________>

</__>
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About the author

Stephen Watts

Stephen Watts (Birmingham, AL) has worked at the intersection of IT and marketing for BMC Software since 2012.

Stephen contributes to a variety of publications including CIO.com, Search Engine Journal, ITSM.Tools, IT Chronicles, DZone, and CompTIA.