EQL

Embedded Query Language

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2.3.1May1999

2.4Oct2000

2.5Aug2003

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The EQL segment is used to define queries using select statements based on the query language of choice (e.g., SQL). Refer to the functional chapters for the lists of HL7-defined EQL select statements.

HL7 Attribute Table - EQL - Embedded Query Language

RRequiredOOptionalCConditionalWWithdrawn|#Date/Time*Backward compat.+Filler

		C.Len						Element		v2.3.1
1	..32	-	ST	O	1	-	00696	EQL-1	Query Tag
2	..1	-	ID	R	1	0106	00697	EQL-2	Query/Response Format Code	Name
3	..250	-	CE	R	1	-	00709	EQL-3	EQL Query Name	2
4	..4096	-	ST	R	1	-	00710	EQL-4	EQL Query Statement	Name

Used In Message Structures