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I have an application that uses a mysql database but I would like to run the unit tests for the application in a hsqldb in-memory database. The problem is that some of my persistable model objects have fields which I have annotated as columnDefinition = "TEXT" to to force mysql to cater for long string values, but now hsqldb doesn't know what TEXT means. If I change it to CLOB, then hsqldb is fine but mysql fails.
Is there a standard column definition that I can use for long strings that is compatible with mysql AND hsqldb?
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HSQLDB (HyperSQL Database) HSQLDB is an open source project, also written in Java, representing a relational database. It follows the SQL and JDBC standards and supports SQL features such as stored procedures and triggers. It can be used in the in-memory mode, or it can be configured to use disk storage.
HSQLDB (Hyper SQL Database) is a relational database management system written in Java. It has a JDBC driver and supports a large subset of SQL-92, SQL:2008, SQL:2011, and SQL:2016 standards.
HSQLDB (HyperSQL DataBase) is the leading SQL relational database system written in Java. It offers a small, fast multithreaded and transactional database engine with in-memory and disk-based tables and supports embedded and server modes. It includes a powerful command line SQL tool and simple GUI query tools.
HSQLDB is used for the development, testing, and deployment of database applications. In this tutorial, we will look closely at HSQLDB, which is one of the best open-source, multi-model, next generation NoSQL product.
What worked for me was to just enable MySQL compatibility mode by changing the connection URL to jdbc:hsqldb:mem:testdb;sql.syntax_mys=true
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