Tuesday, 11 October 2011

Pseudo Columns

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{\*\generator Msftedit 5.41.21.2509;}\viewkind4\uc1\pard\li720\lang1033\f0\fs22 A pseudocolumn behaves like a table column, but is not actually stored in the table. You can select from pseudocolumns, but you cannot insert, update, or delete their values. E.g. CURRVAL, NEXTVAL, ROWID, ROWNUM, LEVEL\par
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