what is host variable/ indicator variable in pro*c what is nvl cmd what is cursor in plsql what is %rowtype how to provide permission in Linux for files move n copy cmd functions n procedure in plsql some sql quires

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Answers to questions related to Pro*C, PL/SQL, Linux permissions, and SQL queries.

Host variable is a variable declared in the host program and used in Pro*C program
Indicator variable is used to indicate the null value of a column in Pro*C
NVL is a function in Oracle that returns a specified value if the expression is null
Cursor is a pointer to a result set returned by a SQL statement in PL/SQL
%ROWTYPE is a record type that represents a row in a table or view in PL/SQL
Linux permissions can be provided using chmod command
Move and copy commands are used to move or copy files in Linux
Functions and procedures are used to encapsulate business logic in PL/SQL
SQL queries are used to retrieve data from a database

what is host variable/ indicator variable in pro*c what is nvl cmd what is cursor in plsql what is %rowtype how to provide permission in Linux for files move n copy cmd functions n procedure in plsql some sql quires

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