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This article gives you all the information you need in order to begin working with numbers in your PL/SQL programs.Numbers in PL/SQL PL/SQL offers a variety of numeric datatypes to suit different purposes: Number. A true decimal

PL/SQL language development Reference Manual II: PL/SQL program structure PL/SQL language development Reference Manual1,PL/SQL Block1) Decla

PL/SQL language development Reference Manual: PL/SQL cursor PL/SQL language development Reference Manual1. cursor)The cursor is the data extracted from the data table. It is stored in the memory as a temporary table. There is a da

1. Traditional layer by layer data, and Plsql as a separate unit to return to the client, reduce the query, reduce the network transmission of the round trip, funny2.pl/sql statement blocks are divided into two types: naming (subroutines, functions, packages that exist in the database, and later can be referenced by name), AnonymousDifference: A named statement block is stored in a database, referenced by a

v_job= ' salesman ' then UPDATE scott.emp SET sal=sal* (1+c_salesman) WHERE empno=empno1; elsif v_job= ' MANAGER ' then UPDATE scott.emp SET sal=sal* (1+c_manager) WHERE empno=empno1; elsif v_job= ' SR.CONT ' then UPDATE scott.emp SET sal=sal* (1+c_sr_cont) WHERE empno=empno1; END IF; --Displays completion information dbms_output. Put_Line (' already for employees ' | | empno1| | ' A successful raise! '); EXCEPTION-handling of PL/

Label:Control statements are fundamental to any language, to any programmer. Learn PL/SQL, only to realize the simplicity of Java grammar, it is not an era of things, of course, their positioning is not the same, not in their own longer than the short of others. --The 4th chapter begins--code 4.1 The simplest if statement uses example DECLARE v_count number (10): = 0; --Define the counter variable V_empno

PLSQLPL/SQL developer is an Oracle Database DeveloperProgramIntegrated Unit Development Environment (IDE). With PL/SQL developer, you can easily create the server part of your client/server application. So far, you can do the following in the worst case:• Use a text editor to Write Program units (processes, triggers, and so on ).• Use Oracle

The key to performance optimization is to find the right direction, for example, for a PL/SQL code, we think it is slow to execute, but in the end it needs a measurable tool to analyze, and we sometimes like to leave debug code in it, like using dbms_utility.get_ Time is spent on the execution of the statement, which can be cumbersome if the code is large.PL/SQL

Today, I am working on an OA report. I use a stored procedure to calculate some data. When doing a for xxx in xxxx loop end loop; loop, I never knew it was Mao. I can't catch the no_data_found exception in for any more. Once this no_data_found Oracle occurs, it automatically jumps out of the for loop, but I don't know what went wrong, that was depressing for an hour. Shit. Later I remembered that pl/SQL too

Today, I am working on an OA report. I use a stored procedure to calculate some data. When doing a for XXX in xxxx loop end loop; loop, I never knew it was Mao. I cannot catch the no_data_found exception in for any more. Once this no_data_found occurs Oracle will automatically Jump Out Of The for loop, but I don't know where the error occurred. It was a depressing hour. Shit. Later I remembered that PL/SQL