Quick Oracle User Guide
Back to top Observing Table Information The easiest way to get information about a table is with the DESCRIBE command: DESCRIBE tablename Back to top Altering Tables To alter a table use the alter table command: alter table tablename add( columnname datatype, ...); alter table tablename modify ( column newdatatype); alter table drop column columnname; Back to top Deleting Tables To delete a table
Oracle10g - Community Ubuntu Documentation
Requirements As usual, Oracle needs a lot of resources, with a minumum for the server of 512 MBytes of Ram and 1024 MBytes of Swap and 1.5 Gbytes of free disk space. This requirements are checked by the install package. As the amount of swap isn't the default value for a fresh install, be aware of that. A workaround for that is described in http://www.oracle.com/technology/tech/linux/install/xe-on
Oracle Data Types - Oracle - SS64.com
How-to: Oracle Datatypes Data types for Oracle 8 to Oracle 12c. Variable length character string having maximum length size bytes. You must specify size. n.b. max is only 32,767 bytes or characters if MAX_STRING_SIZE = EXTENDED Datatype Description Max Size: Oracle 8 Max Size: Oracle 9i/10g/11g Max Size: Oracle12c Max Size: PL/SQL PL/SQL Subtypes/ Synonyms
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Oracle alter table add column example
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