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DBMS_PIPE:
The Package DBMS_PIPE allows various sessions to communicate over the named pipes. (A pipe is a region of memory used by one of the process to pass information to the other.) You can use the procedures pack_message & send_message to pack a message into the pipe, then it send to the other session in the similar instance.
At the other part of the pipe, you can use the procedures receive_message and unpack_message to receive and unpack the message. The Named pipes are helpful in many ways. For illustration, you can write the routines in C which allow an external servers to collect the information, then send it through pipes to the procedures stored in an Oracle database.
Authorisations - Privileges As relational theory is silent on the issue of authorisation, it offers nothing with which SQL's vast edifice in support of what it calls privilege
Declarations in SQL Your program stores values in the variables and constants. As the program executes, the value of the variables can change, but the values constants cannot.
Name Resolution In potentially uncertain SQL statements, the names of the database columns take precedence over the names of the local variables and formal parameters. For e.g.
Explicit Cursors The set of rows returned by the query can include zero, one, or multiple rows, depending on how many rows meet your search criteria. Whenever a query returns
Package Specification The package specifications contain the public declarations. The scopes of these declarations are local to your database representation and global to the
Advantages of PL/SQL The PL/SQL is a high-performance transaction processing, completely portable language that offers the following advantages as shown: 1) Support for SQL
i NEED THE QURIES TO SOME OF THE PROBLEMS USING plsql
OPEN-FOR Statement The OPEN-FOR statements execute the multi-row query related with a cursor variable. It also allocates the resources used by the Oracle to process the query a
Implicit Cursor Attributes The Implicit cursor attributes returns the information about the execution of an INSERT, DELETE, UPDATE, or SELECT INTO statement. The cursor attribu
I need SQL , WP SQL Expert Project Description: Expert required to modify WP SQL query. Skills required are MySQL, SQL, PHP, Wordpress
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