oracle pl sql for dummies ebook free download
Tài liệu Oracle PL/SQL For Dummies P2 pdf
... with SQL What’s new in Oracle SQL and PL/ SQL? Oracle SQL and PL/ SQL are evolving languages that constitute the backbone of applications written for the Oracle environment Every version of the Oracle ... ideal for writing large, complex programs that must interact with an Oracle database The difference between SQL and PL/ SQL SQL and PL/ SQL are completely different languages SQL is a limited language ... What makes PL/ SQL unique is its tight integration with SQL It is easier and more natural to embed SQL in PL/ SQL than to so in any other programming language This makes PL/ SQL ideal for writing...
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Tài liệu Oracle PL/SQL For Dummies P1 doc
... Scoop on SQL and PL/ SQL 16 The purpose of SQL and PL/ SQL 17 The difference between SQL and PL/ SQL 18 What’s new in Oracle SQL and PL/ SQL? 18 What Is PL/ SQL Good For? ... Oracle PL/ SQL ® FOR DUMmIES ‰ by Michael Rosenblum and Dr Paul Dorsey Oracle PL/ SQL ® FOR DUMmIES ‰ by Michael Rosenblum and Dr Paul Dorsey Oracle PL/ SQL For Dummies Published ... Finding out about Oracle ᮣ Using SQL and PL/ SQL ᮣ Discovering what PL/ SQL is good for P L /SQL is an extension to the industry-standard SQL language Oracle Corporation developed PL/ SQL and released...
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Oracle PL/SQL For Dummies pdf
... Scoop on SQL and PL/ SQL 16 The purpose of SQL and PL/ SQL 17 The difference between SQL and PL/ SQL 18 What’s new in Oracle SQL and PL/ SQL? 18 What Is PL/ SQL Good For? ... with SQL What’s new in Oracle SQL and PL/ SQL? Oracle SQL and PL/ SQL are evolving languages that constitute the backbone of applications written for the Oracle environment Every version of the Oracle ... Finding out about Oracle ᮣ Using SQL and PL/ SQL ᮣ Discovering what PL/ SQL is good for P L /SQL is an extension to the industry-standard SQL language Oracle Corporation developed PL/ SQL and released...
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Oracle PL/SQL for dummies phần 1 pps
... Scoop on SQL and PL/ SQL 16 The purpose of SQL and PL/ SQL 17 The difference between SQL and PL/ SQL 18 What’s new in Oracle SQL and PL/ SQL? 18 What Is PL/ SQL Good For? ... Oracle PL/ SQL ® FOR DUMmIES ‰ by Michael Rosenblum and Dr Paul Dorsey Oracle PL/ SQL ® FOR DUMmIES ‰ by Michael Rosenblum and Dr Paul Dorsey Oracle PL/ SQL For Dummies Published ... with SQL What’s new in Oracle SQL and PL/ SQL? Oracle SQL and PL/ SQL are evolving languages that constitute the backbone of applications written for the Oracle environment Every version of the Oracle...
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Oracle PL/SQL for dummies phần 2 ppt
... Part I: Basic PL/ SQL Concepts Oracle SQL Developer In the first part of 2006, Oracle added a new tool to the mix — Oracle SQL Developer (formerly known as Project Raptor) It’s a free Java-based ... technology/products/database /sql_ developer/index.html to download it) Third-party tools In addition to SQL* Plus and newly born Oracle SQL Developer, a number of other tools enable you to work with PL/ SQL The reason for using any one ... options: Chapter 2: The PL/ SQL Environment ߜ Toad from Quest Software: Toad is the most popular PL/ SQL coding tool on the market It includes a nice editing environment for SQL and PL/ SQL However, the...
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Oracle PL/SQL for dummies phần 3 pot
... errors SQL> show errors Errors for FUNCTION F_GETDIFF_NR: LINE/COL ERROR -8/3 PL/ SQL: Statement ignored 8/17 PLS-00905: object SCOTT.F_GETAREA_NR is invalid 9/3 PL/ SQL: ... and 15 For now, you need to remember that you can pass variables by reference, even in PL/ SQL Chapter 3: Laying the Groundwork: PL/ SQL Fundamentals In addition to compiler hints in PL/ SQL, you ... with PL/ SQL very useful tool Before using this package, check other sources of documentation for more complete information DBMS_UTILITY DBMS_UTILITY is one of the oldest utility packages in the Oracle...
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Oracle PL/SQL for dummies phần 4 pot
... cursors for updates and shortcuts ᮣ Using PL/ SQL functions in SQL T he main reason to use PL/ SQL as a programming language is that it works really well with SQL PL/ SQL works better with SQL than ... cursor to loop through this information is one of the main reasons for using PL/ SQL ߜ How cursors allow PL/ SQL to retrieve information from an Oracle database: PL/ SQL s ability to easily and efficiently ... cursor For more information about packages, see Chapters and Consult any good Oracle SQL book (for example, Oracle Database 10g: The Complete Reference, by Kevin Loney, McGraw-Hill, 2004) for information...
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Oracle PL/SQL for dummies phần 5 pps
... Toad or SQL Navigator, rather than SQL* Plus, to write code Only recently did Oracle release a sophisticated, user-friendly graphical PL/ SQL development tool called Oracle SQL Developer (formerly ... developers more productive Oracle s SQL* Plus is a no-frills tool with few of the nice features of products that try to support PL/ SQL development Some developers even prefer SQL* Plus for development (just ... truths ᮣ Discovering SQL development rules ᮣ Examining PL/ SQL development rules ᮣ Checking out stored PL/ SQL program units T his chapter provides some useful coding standards for PL/ SQL developers...
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Oracle PL/SQL for dummies phần 6 docx
... DBMS_OUTPUT.put_line(to_char(v_dt,v_form_tx)); 10 end; 11 / 12-MAR-2006 19:13:51 ➞12 28-FEB-2003 00:00:00 ➞13 PL/ SQL procedure successfully completed SQL> 239 240 Part IV: PL/ SQL Data Manipulations Here are the details for ... variable2_nr PLS_INTEGER; Beginning with Oracle 10g, these datatypes are interchangeable In earlier versions of Oracle, PLS_INTEGER provided better performance Both of these datatypes exist only in PL/ SQL, ... Datatypes SQL> set timing on SQL> declare v_nr number; begin for i in 1000000 loop v_nr:=v_nr+i-i+i*2-i*2; end loop; end; / PL/ SQL procedure successfully completed Elapsed: 00:00:00.35 SQL> declare...
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Oracle PL/SQL for dummies phần 7 ppsx
... existing Oracle datatypes In addition, it is possible to create entirely new types Some user-defined types are for PL/ SQL only, and some can be used in both PL/ SQL and SQL You can create PL/ SQL datatypes ... perform advanced processing of textual information, a good place to start is Oracle Regular Expressions Pocket Reference, by Jonathan Gennick and Peter Linsley (O’Reilly) 251 252 Part IV: PL/ SQL ... used in PL/ SQL code (for example, as parameters of functions/procedures), but not in any SQL (views, table definitions, stored datatypes, and so on) A record type can be defined either explicitly...
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Oracle PL/SQL for dummies phần 8 doc
... Variables in Dynamic PL/ SQL SQL> declare a NUMBER:=2; b NUMBER:=3; v_plsql_tx VARCHAR2(2000); begin v_plsql_tx = ‘BEGIN ‘ || ‘ :1 := :1*:2; ‘ || ‘END;’; 10 execute immediate v_plsql_tx 11 using in ... it SQL> set serveroutput on SQL> exec p_summary(10); begin p_summary_10; end; PL/ SQL procedure successfully completed Building SQL on the Fly The preceding sections show how dynamic SQL works for ... transaction waits for the trigger to complete before releasing the lock, thus resulting in a deadlock Query audit Some situations require more than simple data modification For example you may need...
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Oracle PL/SQL for dummies phần 9 doc
... started programming in PL/ SQL It is not a complete reference There are too many important features in PL/ SQL to discuss in any one book Fortunately, plenty of good PL/ SQL books are available ... operations: You can use SQL bulk operations to replace or modify whole areas of PL/ SQL code When you need to update millions of rows in the database by using PL/ SQL, traditional PL/ SQL coding techniques ... system versions 351 352 Part V: Taking PL/ SQL to the Next Level Keeping Up-to-Date with Oracle SQL and PL/ SQL are constantly evolving With every release of Oracle, new features are added and older...
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Oracle PL/SQL for dummies phần 10 potx
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Trả lời bài tập ORACLE PL/SQL
... lặp PL/ SQL? Các kiểu vòng lặp có sẵn PL/ SQl là: • Lệnh loop-exit • Lệnh while-loop • Lệnh for- loop Phân biệt trỏ (cursor) ngầm trỏ tường minh? Cursor ngầm đòa không đặt tên lệnh SQL xử lý Oracle ... trỏ tường minh? Cursor ngầm đòa không đặt tên lệnh SQL xử lý Oracle và/hay chế thực thi PL/ SQL Mọi lệnh SQL thực cursor ngầm, bao gồm lệnh update, insert, delete lệnh select không thực cursors ... cursor tường minh, developer có toàn quyền điều khiển thực lệnh DECLARE CURSOR employee_cursor IS SELECT * FROM employee; ...
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Oracle PL SQL cơ bản
... - SQL PL/ SQL Hình vẽ Câu lệnh SQL* Plus Khác biệt lệnh SQL SQL*Plus SQL* Plus SQL Là ngôn ngữ để giao tiếp với Oracle Server việc truy xuất liệu Câu lệnh dựa ký tự chuẩn ASCII Nhận dạng lệnh SQL ... Quyển sách upload tại: hutonline.net Oracle - SQL PL/ SQL Chương CÁC HÀM SQL 4.1.TỔNG QUAN VỀ HÀM SQL 4.1.1 Cấu trúc hàm SQL Hàm SQL đặc điểm làm tăng khả sử dụng câu lệnh SQL Hàm SQL nhận nhiều ... Quyển sách upload tại: hutonline.net SQL PL/ SQL Cơ Quyển sách upload tại: hutonline.net Oracle - SQL PL/ SQL MỤC LỤC MỤC LỤC .1 CHƯƠNG GIỚI THIỆU CHUNG .5 1.1 NGÔN NGỮ SQL 1.1.1 Lịch sử...
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Giới thiệu chung về Oracle PL SQL cơ bản
... 102 .103 103 103 Trang Quyển sách upload tại: hutonline.net Oracle - SQL PL/ SQL Chương GIỚI THIỆU CHUNG 1.1.NGÔN NGỮ SQL 1.1.1 Lịch sử phát triển ngôn ngữ SQL Mô hình sở liệu (CSDL) quan hệ - ... liệu Trang Quyển sách upload tại: hutonline.net Oracle - SQL PL/ SQL Primary Key thiết phải có số liệu Foreign Key Là column tập columns có tham chiếu tới bảng bảng khác Foreign Key xác định mối ... 1979, tập đoàn Oracle giới thiệu thương phẩm SQL SQL cài đặt hệ quản trị CSDL DB2 IBM SQL/ DS Ngày nay, SQL sử dụng rộng rãi đuợc xem ngôn ngữ chuẩn để truy cập CSDL quan hệ 1.1.2 Chuẩn SQL Năm 1989,...
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Oracle PL/SQL Language Pocket Reference- P5
... arise in your application The following sections look at how you define, raise, and handle exceptions in PL/ SQL Previous: 7.7 Tips for PL/ SQL Loops 7.7 Tips for PL/ SQL Loops Oracle PL/ SQL Programming, ... Previous: 7.5 The WHILE Loop 7.5 The WHILE Loop Oracle PL/ SQL Programming, 2nd Edition Book Index Next: 7.7 Tips for PL/ SQL Loops 7.7 Tips for PL/ SQL Loops The Oracle Library Navigation Copyright (c) ... different PL/ SQL programs even between client and server PL/ SQL programs Prior to PL/ SQL Release 2.3, you would have had to fetch all data from the cursor, store it in PL/ SQL variables (perhaps a PL/ SQL...
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Oracle PL/SQL Language Pocket Reference- P6
... information about the most recently executed SQL statement by examining the values in the implicit SQL cursor attributes, as explained later in this chapter PL/ SQL employs an implicit cursor for ... through SQL cursor attributes The SQL cursor has the same four attributes as an explicit cursor: SQL% FOUND SQL% NOTFOUND SQL% ROWCOUNT SQL% ISOPEN 6.9.6 Differences Between Implicit and Explicit ... variables (PL/ SQL variables or application-specific bind variables such as Oracle Forms items) The following examples illustrate the variety of possible fetches: q Fetch into a PL/ SQL record:...
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Oracle PL/SQL Language Pocket Reference- P7
... Implicit and Explicit Cursors 6.2 Cursors in PL/ SQL When you execute a SQL statement from PL/ SQL, the Oracle RDBMS assigns a private work area for that statement This work area contains information ... more detail For the remainder of this chapter, unless noted otherwise, the word "cursor" refers to the explicit cursor Previous: 6.2 Cursors in PL/ SQL 6.2 Cursors in PL/ SQL Oracle PL/ SQL Programming, ... lots of options in PL/ SQL for executing SQL, and all of them occur as some type of cursor Generally, there are two types of SQL that you can execute in PL/ SQL: static and dynamic SQL is static if...
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Oracle PL/SQL Programming
... 73 1.4.4 PL/ SQL Release 2.1 80 1.4.5 PL/ SQL Release 2.2 82 1.4.6 PL/ SQL Release 2.3 83 1.4.7 PL/ SQL Version 8.0 84 1.4.8 PL/ SQL Release 1.1 ... Clearing the PL/ SQL Table .374 376 10.8 PL/ SQL Table Enhancements in PL/ SQL Release 2.3 376 10.8.1 PL/ SQL Tables of Records 377 10.8.2 PL/ SQL Table ... Working with PL/ SQL Tables 383 10.9.1 Transferring Database Information to PL/ SQL Tables 383 10.9.2 Data−Smart Row Numbers in PL/ SQL Tables 384 10.9.3 Displaying a PL/ SQL Table...
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