Are really important in an Oracle Database.
Stored procedure is the pl-sql block in precomplile from and can be used to excecute plsql statement
Yes. Procedures are otherwise known as functions, and functions can accept arguments.
Decode can be used in PLSQL, but in version 9i and later the case statement is easier to use, more powerful and more intuitive.
Functions allow you to perform some mathematical or string procedures to other cells.
Functions return a value.NoteThere are no procedures in C, only functions with no return value (type void is used to indicate that). In general a function is the purpose or what a system actually does( what output it returns) and a procedure is how that output is returned.
using plsql sql
Procedures in an RDBMS are programs that are written to accomplish a set of functions that cannot be done using a single query. A procedure contains a sequence of SQL Queries that can be executed one after the other by invoking the procedure. There are two kinds of procedures Functions & Stored Procedures.
Procedures and functions are exactly the same in Pascal, the only difference is that a function must return a value to its caller while a procedure does not. A procedure is essentially the same as a function returning void in C. We use procedures and functions to avoid writing duplicate or repeated sections of code and thus reduce maintenance costs. With well-named procedures and functions our code also becomes self-documenting, making the code much easier to read (and maintain).
subroutines procedures functions or methods
only one
A PL/SQL subprogram is equivalent to a procedure or function in conventional procedural programming.
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