INTERVIEW QUESTIONS ORACLE PL-SQL DETAILS

Question: What is PL/SQL table ?

Answer: Objects of type TABLE are called "PL/SQL tables", which are modeled as (but not the same as) database tables, PL/SQL tables use a primary PL/SQL tables can have one column and a primary key.
Cursors

Objects of type TABLE are called "PL/SQL tables", which are modeled as (but not the same as) database tables, PL/SQL tables use a primary PL/SQL tables can have one column and a primary key.
Cursors Source: CoolInterview.com

TYPE tab IS TABLE OF VARCHAR2(30);

This way we can make declaration of PL/SQL tables. They are also reffed as Nested Table and are pat of PLSQL collections. They are used for bulk data processing. Source: CoolInterview.com

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