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HSQLDB (HyperSQL DataBase) is an SQL relational database engine written in Java. It supports nearly full ANSI-92 SQL and SQL:2008 enhancements. It is a small, fast multithreaded, and transactional database engine which offers in-memory and disk-based tables and supports embedded and server modes.

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2004-12-10 11:10 Back to release list
1.7.3.0

이 버전은 boolean 타입에 대한 정의되지 않은 상태를 지원하여 표준 SQL의 향상된 기능 적합성. 이렇게 변경하면 값 NULL을 포함 쿼리 조건과 검사 제약 조건에 효과가있다.
Tags: Minor feature enhancements
This version features improved conformance to SQL
standards by supporting the UNDEFINED state for the
BOOLEAN type. This change has an effect in query conditions
and check constraints when values include a NULL.

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