The database user that will be used to upgrade the database must have the following privileges:
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Membership of the SELECT_CATALOG_ROLE database role.
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The CREATE SESSION privilege.
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The GRANT ANY OBJECT PRIVILEGE privilege.
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The CREATE ANY TABLE privilege.
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The ALTER ANY TABLE privilege.
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The SELECT ANY TABLE privilege.
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The INSERT ANY TABLE privilege.
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The UPDATE ANY TABLE privilege.
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The DELETE ANY TABLE privilege.
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The SELECT ANY SEQUENCE privilege.
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The CREATE ANY SEQUENCE privilege.
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The CREATE ANY INDEX privilege.
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The DROP ANY INDEX privilege.