... descriptions.
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Copyright (c) 2000 O'Reilly ... The PL/SQL Character Set
association, object :
18.1.4.3. Inheritance
atomics of PL/SQL language :
2.1. The PL/SQL Character Set
attributes, cursor
6.9. Cursor Attributes...
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FOR UPDATE in Cursors
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... features in PL/SQL to minimize code redundancies. Utilization of WHERE
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against both Oracle and non -Oracle data sources, you should avoid any references to
the rowid pseudo-column and the ROWID datatype.
4.2.4 The Boolean Datatype
The Oracle RDBMS/SQL language offers ... provided by Oracle to check dependably for null values, and even
assign a null value to a variable. PL/SQL provides a special reserved word, NULL, to represent a null
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