单选题Which statement is true about the database and database-user used during installation of IMS Server？（）AA preexisting database user may be used but a new database has to be created during installation.BA preexisting database may be used but a new database user has to be created during installation.CA preexisting database and user may be used or a new database and user are created during installation.DA preexisting database and user cannot be used； a new database and user are created during installation.
单选题
Which statement is true about the database and database-user used during installation of IMS Server？（）
A
A preexisting database user may be used but a new database has to be created during installation.
B
A preexisting database may be used but a new database user has to be created during installation.
C
A preexisting database and user may be used or a new database and user are created during installation.
D
A preexisting database and user cannot be used； a new database and user are created during installation.
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