2 summary of odm pl sql sample programs

... 20), and PL/ SQL procedures and triggers (Chapters 27, 28, and 29) Elements of each of these topics play a part in the implementation of an object-relational database The first section of this ... in the PL/ SQL table sql_ text ora_name_list_t; stmt VARCHAR2(2000); n := ora _sql_ txt (sql_ text); FOR i IN n LOOP stmt := stmt || sql_ text(i); END LOOP; INSERT INTO event_ table (‘text of triggering ... NULL); delete from BOOK_ORDER where Title = aTitle; end; The PL/ SQL block shown is fairly simple, consisting of a single SQL statement PL/ SQL blocks within procedures can include any DML statement;...

Ngày tải lên: 07/08/2014, 14:20

... of such blocks Summary of PL/ SQL 26Ć3 26Ć4 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder Summary continued Procedures Procedures are named PL/ SQL blocks that store a series of ... changes Summary of PL/ SQL 26Ć5 26Ć6 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder Summary continued IF Conditional Statements The PL/ SQL IF statement is similar to the structure of ... Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder Summary PL/ SQL (Procedural Language /SQL) is an extension to SQL It is a language that allows you to combine multiple SQL statements with...

Ngày tải lên: 17/01/2014, 09:20

... rules Summary of SQL and SQL* Plus 17Ć3 17Ć4 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder Summary of SQL and SQL* Plus continued Structured Query Language, SQL* Plus, and PL/ SQL ... dropvid .sql script in SQL* Plus Then, you can execute the buildvid .sql script in SQL* Plus to create and populate the tables Summary of SQL and SQL* Plus 17Ć9 17Ć10 Introduction to Oracle: SQL and PL/ SQL ... Data Control Language (DCL) commands Summary of SQL and SQL* Plus 17Ć5 17Ć6 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder Summary of SQL and SQL* Plus continued Oracle Data Dictionary...

Ngày tải lên: 09/12/2013, 17:15

... Oracle: SQL and PL/ SQL Using Procedure Builder Overview What Is PL/ SQL? PL/ SQL (Procedural Language /SQL) is an extension to SQL, incorporating many of the design features of programming languages of ... Continued D Overview of PL/ SQL 18Ć5 18Ć6 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder Overview continued Benefits of PL/ SQL continued Portability D Since PL/ SQL is native to Oracle, ... reducing network traffic Overview of PL/ SQL 18Ć7 18Ć8 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder PL/ SQL Block Structure A basic PL/ SQL block of code can contain up to three...

Ngày tải lên: 24/01/2014, 10:20

... SQL không làm Giới thiệu PL/ SQL (2) - (Procedural Language/Structure Query Language)     PL/ SQL thêm chức vào công cụ không thủ tục SQL* Forms SQL* Report Các lệnh PL/ SQL chia thành nhiều khối ... Chương 2: Ngôn ngữ thủ tục PL/ SQL Giới thiệu PL/ SQL Khối lệnh PL/ SQL (block), Khai báo biến số, kiểu liệu Các lệnh điều kiện (IF, CASE), rẻ nhánh ... trị tham số: open cur_first(22); 45 Sử dụng trỏ PL/ SQL (13) (Thuộc tính trỏ tiềm ẩn) Có bốn thuộc tính: SQL% NOTFOUND, SQL% FOUND, SQL %ROWCOUNT, SQL% ISOPEN Lệnh OPEN, CLOSE, FETCH không dùng cho...

Ngày tải lên: 16/02/2014, 08:20

... try to think of your own examples When reading or listening, don’t write out notes word for word Notes should not be an exact copy of the lecture or reading They should be a summary of the main ... relevant, educated opinions For example, if the lecturer is giving a lecture that compares the ideas of different theorists, it would be important to write down a summary of each theorist’s opinion in ... authors use examples to help explain difficult concepts and to maintain your interest While you might find the example interesting, it is not important to write down all the examples You may like...

Ngày tải lên: 22/07/2014, 22:20

... Oracle8i SQL Reference 2-24 PL/ SQL User’s Guide and Reference User-Defined Subtypes User-Defined Subtypes Each PL/ SQL base type specifies a set of values and a set of operations applicable to items of ... see Oracle8i SQL Reference Implicit Conversion When it makes sense, PL/ SQL can convert the datatype of a value implicitly This allows you to use literals, variables, and parameters of one type ... on two operands PL/ SQL has no ternary operators The simplest expressions consist of a single variable, which yields a value directly PL/ SQL evaluates (finds the current value of) an expression...

Ngày tải lên: 07/08/2014, 11:22

... may be listed in place of all The libraries STD and WORK not need a library specification on most systems library ieee or equivalent library IEEE is needed on most systems Order of Analysis, Compilation ... http://www.csee.umbc.edu/help/VHDL/design.html (10 of 11) [22/12/2001 15:23:35] VHDL Design Units and Subprograms Other Links q VHDL help page q Hamburg VHDL Archive (the best set of links I have seen!) q RASSP ... Page q gnu GPL VHDL for Linux, under development q More information on Exploration/VHDL from FTL Systems Go to top Go to VHDL index http://www.csee.umbc.edu/help/VHDL/design.html (11 of 11) [22/12/2001...

Ngày tải lên: 08/08/2014, 03:20

... the toolbar The Basics of PL/ SQL Programs With your environment set up, you’re ready to explore some fundamentals of PL/ SQL programs The following sections describe some of the basic syntax you ... the modified string: SQL> begin p_helloTo(‘Everybody’); end; / Hello, Everybody! PL/ SQL procedure successfully completed SQL> _ Examining the Sample Data The history of sample data sets in Oracle ... 54 Part II: Getting Started with PL/ SQL should with the operands An example of a simple expression is shown in Listing 3-5 Listing 3-5: An Example of a Simple PL/ SQL Expression declare v_i1_nr...

Ngày tải lên: 08/08/2014, 20:21

... Fundamentals of the PL/ SQL Language 2-19 PL/ SQL Expressions and Comparisons When the value of on_hand is zero, the left operand yields TRUE, so PL/ SQL does not evaluate the right operand If PL/ SQL evaluated ... name FROM employees WHERE employee_id = 100; dbms_output.put_line(name || ' is managed by employee #' || the_manager); END; / Fundamentals of the PL/ SQL Language 2-27 Summary of PL/ SQL Built-In ... CORR and LAG) are not built into PL/ SQL, you can use them in SQL statements (but not in procedural statements) Fundamentals of the PL/ SQL Language 2-29 Summary of PL/ SQL Built-In Functions Table...

Ngày tải lên: 08/08/2014, 20:21

... are representative of the millions of textile products that consumers are finding in stores all across the country Recently completed independent consumer research confirms out of consumers DO READ ... RESULTS OF THIS COMPARISON CHART OF 622 TEXTILE PRODUCTS LABELED “DO NOT BLEACH” INDICATE THAT: (Base # of items) WHITES (94) COLORS (528) # # % % TOTAL ... have the advantages of fast, easy and ecologically responsible bleach testing By combining a thoroughly documented presumption of innocence for color-safe bleaches and a simple, reliable drop...

Ngày tải lên: 29/11/2015, 14:00

... vòng 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 ... 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; ...

Ngày tải lên: 22/08/2012, 09:51