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sqlhsqldb

How to see all the tables in an HSQLDB database?

I usually use SQLDeveloper to browse the database, but I couldn't make it work with HSQLDB and I don't know which tables are already created… I guess it's a vendor-specific question and not plain SQL, but the point is: how can I see the tables so I can drop/alter them?

Solution

  • The ANSI SQL92 standard for querying database metadata is contained within the INFORMATION_SCHEMA data structures.

    I have no idea whether your database supports this or not, but try the following:

    SELECT *
FROM   INFORMATION_SCHEMA.TABLES

    On further research, it appears that HSQLDB does support INFORMATION_SCHEMA, but with slightly non-standard naming.

    All of the tables have SYSTEM_* prepended to them, so the above example would read

    SELECT *
FROM   INFORMATION_SCHEMA.SYSTEM_TABLES

    I have no means of testing this, and the answer was found on sourceforge.