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+v_ratio) WHERE Current of c_emp; --Displays completion information dbms_output. Put_Line (' already for employees ' | | v_empno| | ': ' | | v_ename| | ' A successful raise! '); END LOOP; CLOSE c_emp; --close cursor commit; EXCEPTION when OTHERS then-handles PL/SQL pre-defined exception dbms_output. Put_Line (' No Employee data found '); END; --code 2.7 The simplest
Working with Dates in PL/SQL (date used in PL/SQL) The previous articles in this introductory PL/SQL series focused on working with strings and numbers in PL/
PL-SQL package creation and application, pl-SQL CreationZookeeper
Creating and applying PL-SQL packages
① IntroductionA package is a combination of PL/
Working with Numbers in PL/SQL (use numbers in PL/SQL) This article gives you all the information you need in order to begin working with Numbers in your PL/SQL programs. numbers in PL/
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
Oracle|sql Language Oracle Pl/sql Language Foundation
2002-8-23
Oracle Pl/sql Language Basics
Pl/sql is Oracle's extension of the standard database language, Oracle has integrated
. Dynamic SQL is an SQL statement that is uncertain during PL/SQL block compilation. For example, you can perform different operations based on the parameters you enter. The Compiling Program does not process the dynamic statement
The ORACLE tutorial is the basics of Oracle PL/SQL language.
PL/SQL is an extension of ORACLE's standard database language. ORACLE has integrated PL/SQL into ORACLE servers and other tools, in recent years, more developers and DBA
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/
, similar to T-SQL. PL/SQL uses block syntax to complete a function. The block syntax format of PL/SQL is as follows.[DECLARE]--- DefinitionBEGIN--- Execution part[EXCEPTION]--- Exception handlingENDEach statement in
The Oracle tutorial you are looking at is the introductory Foundation for Oracle Pl/sql languages.
Pl/sql is Oracle's extension of the standard database language, Oracle has integrated PL/SQL into Oracle servers and other tools, a
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
Click Tools ---> Preferences ---> Profiler. The configuration description is as follows (the current demo version is 9.0.0.1601)Available Columns -- Available Columns (can be moved to the right)Selected Columns -- Selected ColumnsTime units -- unit of Time (seconds, milliseconds, microseconds)Show 0 occurrences -- whether to display the statement that is executed 0 timesGraphical time display -- display the color depth percentage of processing time in
is an input parameter. The default value is in.-- Out: indicates an output parameter.Iv. oracle ViewCreate ViewCreate view name as select statement [with read only]Create or modify a viewCreate or replace view name as select statement [with read only]Delete ViewDrop view nameV. Advanced pl/SQL-Exception HandlingExcept
control statements cannot be directly used in PL/SQL, to use DDL statements and system control statements in PL/SQL, you can use dynamic SQL.
First, we should know what dynamic SQL is. in Oracle database development,
conversion from: http://www.51testing.com /? Uid-239867-action-viewspace-itemid-103705
SQLDifferences between statements, PL/SQL blocks, and SQL * Plus commands
The SQL statement isDatabaseThe language of the operation object, including the data definition
Use of PL/SQL DBMS_ SQL package (1) (Study Notes), pldbms_ SQL
Dbms_ SQL packageThe dbms_ SQL package is another method provided by the system to use dynamic SQL:Follow these steps to use the DBMS_
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
fromEmpwhereEmpno=N; Dbms_output.put_line ('Employee name is:'||v_ename); Dbms_output.put_line ('Employee Sal is:'||v_sal); Exception whenNo_data_found ThenDbms_output.put_line ('Please input current number!'); End;6. With%type, ensure that the data type of the variable is consistent with the data type of the field in the table:Declarev_ename Emp.ename%type;v_sal emp.sal%type;begin SelectEname,sal intoV_ename,v_sal fromEmpwhereEmpno=N; Dbms_output.put_line ('Employee name is:'||v_ename); Dbms
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