sql stored procedure example

stored procedures.3. Prevent injection attacks. If you use embedded SQL statements instead of stored procedures, you must perform more processing on the input user data to prevent injection attacks, for example, processing SQL sensitive characters4. More importantly, if you

%notfound;Do somethingEnd LOOP;Close C_user; 8. Use Pl/sql Developer Debug Create a test WINDOW after connecting to the databaseEnter the code for the calling SP in the window, F9 start debug,ctrl+n step Simple example, through dbms_output to see the results CREATE OR REPLACE PROCEDURE bb (Lic_para in Varchar2,out_para out VARCHAR2)AsTemp VARCHAR2 (100);BEGIN

The following articles mainly describe the actual operation steps for viewing DB2 dynamic SQL and Stored Procedure SQL, the following describes the actual operation steps for viewing DB2 dynamic SQL and Stored

--- Create a tableCreate table TESTTABLE(Id1 VARCHAR2 (12 ),Name VARCHAR2 (32))Select t. id1, t. name from TESTTABLE tInsert into TESTTABLE (ID1, NAME)Values ('1', 'hangsan ');Insert into TESTTABLE (ID1, NAME)Values ('2', 'lisi ');Insert into TESTTABLE (ID1, NAME)Values ('3', 'wangwu ');Insert into TESTTABLE (ID1, NAME)Values ('4', 'xiaoliu ');Insert into TESTTABLE (ID1, NAME)Values ('5', 'laowu ');--- Create a stored procedureCreate or replace

network. @ pack_sent returns the SQL statement. number of output packets written by the server to the network @ packet_errors the number of errors returned by the Network Package @ procid returns the id value of the current Stored Procedure @ remserver returns the name of the Remote SQL Server database server @@ servi

Alas, I only blame myself for being academic and not refined. Now I have learned the SQL stored procedure. I have found a lot of information from the Internet, but it is very messy and the positioning is high. It is not suitable for me to study such a dish, now I will summarize the complete process of using SQL

SQL. Different forms of routines can be called to each other, regardless of the language. Let's take a look at stored procedure.> Stored procedures: it can be called by the client or other routine through CALL statement; stored procedures and its calling program exchange da

Label:The use of triggers is described in the previous blog, and the trigger is a special stored procedure, so what is a stored procedure? TheyWhat is the difference between the two?In fact, the most basic difference is that the trigger is run by the system itself when the condition is met, and the

I. Definition: The Stored Procedure of SQL Server is a named set of transacation-SQL statements stored on the server. It is a method for encapsulating repetitive work. Ii. Advantages of stored procedures: 1. reuse.

stored procedure is called on the client's computer, the call statement is transmitted on the network, which greatly increases network traffic and reduces network load. 4. stored procedures can be fully utilized as a security mechanism. By limiting the permissions of a stored proc