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Application of oracle pl/SQL programming SQL statements

Oracle pl/SQL programming the use of SQL statements select must have a return record, do not report an error saying that no data is found and must have an into select statement to return one and only one record cannot be written as where deptno = 10 because multiple records will be returned. Of course, the record mentioned here is not an absolute record, but a re

Difference between variable binding in SQL and PL/SQL

statements submitted each time identical.1. Common SQL statements for binding variables in SQL: SELECT fname, lname, pcode FROM cust WHERE id = 674; SELECT fname, lname and pcode FROM cust WHERE id = 234; SELECT fname, lname, pcode FROM cust WHERE id = 332; SQL statement containing Bound variables: SELECT fname, lname, pcode FROM cust WHERE id =: cust_no; use th

PL/SQL Shortcut

Shortcut:===============================================================================Edit/undo Ctrl + ZEdit/redo shift+ctrl+zEdit/pl/sql beautifier ctrl+w (Custom) shift+home Select the cursor position to the beginning of the line shift+ end Select the cursor position to the end of the line ctrl+shift+home Select the cursor position to the beginning of the first line ctrl+shift+end Select cursor p

PL/SQL developer Introduction

Http://hi.baidu.com/yunfanleo/blog/item/fa65fcfd91916346d7887d25.html PL/SQL developer PL/SQL developer is an integrated development environment dedicated to the development of Oracle database storage program units. Nowadays, more and more business logic and application logic are turning to Oracl

Basic Oracle-PL/SQL knowledge

What is PL/SQL?• PL/SQL is a programming language developed by Oracle and dedicated to Oracle • PL stands for procedurallanguage • SQL stands for structuredquery language • PL/

[SQL] PL/SQL Syntax of Oracle and summary of Extended Data Types

Document directory PL/SQL syntax % Type of Custom Data Type Record of composite data type % Rowtype of composite data type Summary of Oracle Extended Data Types PL/SQL syntax The PL/SQL program consists of three parts: Decl

The SQL result set in PL/SQL sends emails in html Format

programs. The query result set can be set in SQL * Plus to automatically implement html table format by setting html tags. One way is to use scheduler job in Oracle for regular round robin. In this way, we need to manually splice html code. This article describes the second case. For details about how to send emails in PL/SQL, refer to the mail sending program i

Small examples of using cursors, dynamic SQL, and bound variables in PL/SQL

Requirements: Query and output employee information for Department 30thMode one: Use Loop...fetch1 SETServeroutput on;2 DECLARE3 CURSORC_emp is 4 SELECT * fromEmpWHEREDeptno= -;5V_emp EMP%RowType; 6 BEGIN7 OPENc_emp;8 Loop9 FetchC_emp intov_emp;Ten Exit whenC_emp%NotFound; OneDbms_output.put_line (v_emp.empno||' '||V_emp.ename||' '||V_emp.job||' '||V_emp.mgr||' '||V_emp.hiredate||' '||V_emp.sal||' '||V_emp.comm||' '||V_emp.deptno); A EndLoop; - Closec_emp; - E

PL/SQL Usage tips

PL/SQL usage tipsEdit/undo Ctrl+zedit/redo shift+ctrl+zedit/pl/sql beautifier ctrl+w (Custom) Shift+home Select the cursor position to the beginning of the line Shift+end select the cursor position To the end of the line Ctrl+shift+home select the cursor position to the beginning of the first line Ctrl+shift+end select

Mastering Oracle10g PL/SQL programming is a good book for Oracle beginners

I found a This book starts with some of the most basic knowledge and works with easy-to-understand examples to help you get started with simple knowledge points at and then go deeper step by step, each step will be used in concert with the example to explain to you. One small step at a time is the foundation of the next step, until the usage is relatively advanced. Oracle10g PL/SQL programming

Oracle uses PL/SQL to operate COM objects

The ORACLE tutorial is: Oracle uses PL/SQL to operate COM objects. PL/SQL is a specialized language for programming in Oracle databases. It is a third-generation procedural programming language. Starting from Oracle8, the external C language calling process is provided direc

Simple implementation of SQL Server and PL/SQL dynamic cursors

SQL Server Dynamic Cursor Declare @ SQL varchar (2000 ), @ Typefield varchar (100 ), @ Tablename varchar (255 ), @ Name varchar (100) Select @ typefield = 'name', @ tablename = 'sysobjects' Set @ SQL = 'Clare cutemp cursor' + 'Select distinct '+ @ typefield + 'from' + @ tablename Exec (@ SQL) Open cutemp Fetch cutemp i

PL/sql that little thing-->sqlsession operation; SQL []; ORA-01722: Invalid number

PL/sql that little thing-->sqlsession operation; SQL []; ORA-01722: Invalid numberIn this case, many methods have been found on the Internet, and there are basically two ways to help us solve this problem:1. Find out the wrong line code to see if the string is converted to a number when the error, if the action beginning wrong, you need to Integer.parseint (stri

PL/SQL Usage tips

Tags: add def ALT + Parse script result speed complete personal1. PL/SQL Developer remember login password when using PL/SQL developer, in order to work conveniently hope PL/SQL Developer remember login Oracle user name and passwo

Some tips for PL/SQL DEVELOPER

of the menu item, and select the check box above in Autosave desktop on the right.B. Check the Window list option under Tools of the menu item.9. format SQL)When you get a long SQL statement and want to quickly view the logic, you can put it in this tool for formatting, and the statement logic will be clear at a glance.10. The database automatically detects connections Because the database is automatically

PL/SQL enhancements in Oracle 12c

PL/SQL enhancements in Oracle 12c Oracle 12c enhances a series of methods for defining and executing PL/SQL program units. This article covers several new features of Oracle 12c: 1. optimized the caller permission function for the result cache condition.2. PL/

Path to Oracle (III)-PL/SQL Block

-- Exception test declarev_ename EMP. empno % type; -- defines the variable beginselect ename into v_ename from EMP where empno = gno; dbms_output.put_line ('name: '| v_ename ); exception when no_data_found then dbms_output.put_line ('unfound'); end ;/ What is PL/SQL?PL/SQL (Procedural Language/

Introduction to PL/SQL program design and plsql Program Design

Introduction to PL/SQL program design and plsql Program DesignZookeeper ① PL/SQL program design overview PL/SQL is an advanced database programming language used to access ORACLE databases in various environments. Because the lang

Oracle uses PL/SQL to operate COM objects

The ORACLE tutorial is: Oracle uses PL/SQL to operate COM objects. PL/SQL is a specialized language for programming in Oracle databases. It is a third-generation procedural programming language. Starting from Oracle8, the external C language calling process is provided direc

Introduction to PL/SQL programming

 Introduction to ①pl/sql Program designPL/SQL is an advanced database programming language that is specifically designed to access Oracle databases in a variety of environments. Because the language is integrated into the database server,So PL/SQL code can quickly and effi

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