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Database internals and Federation

Database internals and Federation. Database administration. Db & account management tools. Use dbca to create/drop a database and register it with the ASTRO-WISE LDAP server. Use oemapp to Create/drop/alter users Create/drop/grant/revoke roles Grant/revoke privileges.

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Database internals and Federation

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  1. Database internals and Federation Database administration

  2. Db & account management tools • Use dbca to create/drop a database and register it with the ASTRO-WISE LDAP server. • Use oemapp to • Create/drop/alter users • Create/drop/grant/revoke roles • Grant/revoke privileges

  3. Db & network management tools • netmgr – enterprise manager tool to administrate db network connections • Listener – makes the database visible to the network • lsnrctl – starts, stops and checks the status of the listener process • netca – tool to configure listeners

  4. Oracle Internet Directory • The internet directory provides a network lookup facility for resources, e.g. users, dbs, hardware, … • oidadmin tool • LDAP protocol • Centralized administration of users, databases, network, roles, etc.

  5. ASTRO-WISEDatabase Administration Organization and maintenance of the database federation

  6. Naming conventions • SID.machine.organization.awSID – database namemachine – hostname running SIDorganization – ESO, IAP, NOVA, OAC, USM, … • Users • .dbf files • Tablespaces • Tables, types and views

  7. Tools (1) • Adding partitions to tables • Changing the “CONTEXT” of data • Adding tablespaces • Create/drop/update indexes • Analyze • Check logs

  8. Tools (2) • Clean up garbage • Moving user and federation data while maintaining referential integrity • Checking network integrity • Checking (FITS)data integrity • ???

  9. Stored procedures • Stored procedures – groups of SQL, PL/SQL, and also Java statements – enable you to move code from your application to the database. • PL/SQL is a Pascal&ADA like language that is SQL-aware

  10. Recommended documentation • Always have the on-line documentation available that comes with the Oracle installation • Oracle9i SQL Reference • On-line SQL syntax & examples

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