... 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, 2nd Edition Book Index Next: ... 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 ... as a PL/ SQL Release 2.3 enhancement If you have PL/ SQL Release 2.2 and work with PL/ SQL in a host language environment, you can still use cursor variables Just don't try to FETCH within PL/ Please...
Ngày tải lên: 17/10/2013, 22:15
... 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 ... 6.3 Implicit and Explicit Cursors Let's take a closer look at implicit and explicit cursors and the ways you can put them in your programs 6.3.1 Implicit Cursors PL/ SQL issues an implicit cursor ... executed At this point, if the query and the INTO clause not structurally match (and PL/ SQL will use implicit conversions if necessary and possible), then the PL/ SQL runtime engine will raise the...
Ngày tải lên: 20/10/2013, 17:15
Oracle PL/SQL Language Pocket Reference- P7
... 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 ... The static cursor itself comes in two flavors: implicit and explicit PL/ SQL declares and manages an implicit cursor every time you execute a SQL DML statement, such as an INSERT or a SELECT that ... Management 6.1 Transaction Management Oracle PL/ SQL Programming, 2nd Edition Book Index Next: 6.3 Implicit and Explicit Cursors 6.3 Implicit and Explicit Cursors The Oracle Library Navigation...
Ngày tải lên: 20/10/2013, 17:15
Oracle PL/SQL Language Pocket Reference- P8
... how often PL/ SQL is performing conversions on your behalf Figure 4.1 shows what kinds of implicit conversions PL/ SQL can perform Figure 4.1: Implicit conversions performed by PL/ SQL Please purchase ... Previous: 4.3 NULLs in PL/ SQL 4.3 NULLs in PL/ SQL Oracle PL/ SQL Programming, 2nd Edition Book Index Next: 4.5 Anchored Declarations 4.5 Anchored Declarations Please purchase PDF Split-Merge on www.verypdf.com ... components The two composite types currently supported by PL/ SQL are the record and table (described in Chapter 9, Records in PL/ SQL, and Chapter 10, PL/ SQL Tables, respectively) The scalar datatypes fall...
Ngày tải lên: 24/10/2013, 15:15
Oracle PL/SQL Language Pocket Reference- P9
... are thousands and thousands of permutations of the legal characters You can find a full list of all PL/ SQL reserved words in an appendix of Oracle Corporation's PL/ SQL User's Guide and Reference ... will help you converse with the PL/ SQL compiler the PL/ SQL character set, lexical units, PRAGMA keyword, and block structure 2.1 The PL/ SQL Character Set A PL/ SQL program consists of a sequence ... such as executing dynamic SQL, DDL, and PL/ SQL code (DBMS _SQL) , passing information through database pipes (DBMS_PIPES), and displaying information from within a PL/ SQL program (DBMS_OUTPUT)...
Ngày tải lên: 24/10/2013, 15:15
Oracle PL/SQL Language Pocket Reference- P10
... two versions of PL/ SQL: q q PL/ SQL Release 1.1: a client-side PL/ SQL engine that allows the application to execute local PL/ SQL programs PL/ SQL Release 2.X: the server-based PL/ SQL engine that ... a PL/ SQL programmer, and how PL/ SQL programming differs from the kind of programming with which you may be familiar 1.1 What Is PL/ SQL? PL/ SQL stands for "Procedural Language extensions to SQL. " ... introduces PL/ SQL and explains where it came from It describes the various PL/ SQL versions and environments you might be using and the differences among the implementations of PL/ SQL It also...
Ngày tải lên: 28/10/2013, 22:15
Oracle PL/SQL Language Pocket Reference- P11
... developer Many thousands of programmers have spent years writing, debugging, and maintaining programs written in SQL* Forms, SQL* Reportwriter, SQL* Plus, and SQL* Menu While their PL/ SQL skills have ... conditional and sequential control statements, loops, exception handlers, PL/ SQL records, and PL/ SQL tables These chapters contain numerous examples, along with tips on how, when, and where to apply ... enclosing PL/ SQL blocks, that exception is "unhandled." PL/ SQL returns the error which raised an unhandled exception all the way back to the application environment from which PL/ SQL was run That application...
Ngày tải lên: 28/10/2013, 22:15
Oracle PL/SQL Language Pocket Reference- P12
... Characteristics of PL/ SQL Tables PL/ SQL Tables and DML Statements Declaring a PL/ SQL Table Referencing and Modifying PL/ SQL Table Rows Filling the Rows of a PL/ SQL Table Clearing the PL/ SQL Table PL/ SQL Table ... PL/ SQL Tables and Other Collections 10.1 PL/ SQL Tables and Other Collections Oracle PL/ SQL Programming, 2nd Edition Book Index Next: 10.3 PL/ SQL Tables and DML Statements 10.3 PL/ SQL Tables and ... Previous: 10.1 PL/ SQL Tables and Other Collections Chapter 10 PL/ SQL Tables Next: 10.3 PL/ SQL Tables and DML Statements 10.2 Characteristics of PL/ SQL Tables A definition worth repeating: A PL/ SQL table...
Ngày tải lên: 07/11/2013, 19:15
Oracle PL/SQL Language Pocket Reference- P13
... Rows of a PL/ SQL Table Chapter 10 PL/ SQL Tables Next: 10.8 PL/ SQL Table Enhancements in PL/ SQL Release 2.3 10.7 Clearing the PL/ SQL Table What happens when you are done with a PL/ SQL table and want ... Declaring a PL/ SQL Table 10.4 Declaring a PL/ SQL Table Oracle PL/ SQL Next: 10.6 Filling the Rows Programming, 2nd Edition of a PL/ SQL Table 10.6 Filling the Rows of a PL/ Book Index SQL Table The ... of a PL/ SQL Table Oracle PL/ SQL Programming, 2nd Edition Book Index Next: 10.8 PL/ SQL Table Enhancements in PL/ SQL Release 2.3 10.8 PL/ SQL Table Enhancements in PL/ SQL Release 2.3 The Oracle...
Ngày tải lên: 07/11/2013, 19:15
Oracle PL/SQL Language Pocket Reference- P14
... Function Examples This chapter contains detailed descriptions and extended examples of functions you can use to manipulate date information in PL/ SQL programs Most applications store and manipulate ... date ranges, etc.) Fortunately, PL/ SQL and the Oracle RDBMS provide many ways to handle date information PL/ SQL provides a true DATE datatype that stores both date and time information Each date ... between each repetition LPAD ('Why I Love PL/ SQL' , 53, 'DRAFT-ONLY '); ==> 'DRAFT-ONLY DRAFT-ONLY DRAFT-ONLY Why I Love PL/ SQL' Please purchase PDF Split-Merge on www.verypdf.com to remove this...
Ngày tải lên: 07/11/2013, 19:15
Tài liệu Oracle PL/SQL Language Pocket Reference- P15 pptx
... are two kinds of conversion: implicit and explicit An implicit conversion is performed by PL/ SQL as needed to execute a statement An explicit conversion takes place when you use a built-in conversion ... Returns a truncated to b decimal places Note that the trigonometric and logarithmic functions are available only in PL/ SQL Version 2.0 and Please purchase PDF Split-Merge on www.verypdf.com to ... commission FROM employee WHERE employee_id = :emp.employee_id; Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark BEGIN END; 13.3.5 The SQLCODE function The SQLCODE function...
Ngày tải lên: 15/12/2013, 04:15
Tài liệu Oracle PL/SQL Language Pocket Reference- P16 ppt
... the PL/ SQL language and explains how to build complete PL/ SQL applications using program modules q q q Chapter 15, Procedures and Functions, presents the basics of modular programming in PL/ SQL ... Review of PL/ SQL Block Structure Chapter 1, Introduction to PL/ SQL, provided a brief introduction to the PL/ SQL block and its structure Before we explore the construction of modules in PL/ SQL, let's ... the storage implementation for the date masks 14.3.5.5 Storing and accessing date masks in a PL/ SQL table You can also store the date masks in a PL/ SQL table (PL/ SQL tables are explained fully...
Ngày tải lên: 15/12/2013, 04:15
Tài liệu Oracle PL/SQL Language Pocket Reference- P17 docx
... q PL/ SQL table (Oracle7) Nested table or variable array (VARRAY) (PL/ SQL8 ) Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark q q q PL/ SQL record Object type (PL/ SQL8 ) ... Chapter 2, PL/ SQL Language Fundamentals, for a complete list of rules) Let's look at a couple of examples of applying block labels In the first example, I place a label in front of my block simply to ... various PL/ SQL tables Instead, you simply tell the compiler that you want to add and pass it the value you want added PL/ SQL and your overloaded programs figure out what you want to and they...
Ngày tải lên: 15/12/2013, 04:15
Tài liệu Oracle PL/SQL Language Pocket Reference- P18 pptx
... Data Oracle PL/ SQL Programming, 2nd Edition Book Index Next: 17 Calling PL/ SQL Functions in SQL 17 Calling PL/ SQL Functions in SQL The Oracle Library Navigation Please purchase PDF Split-Merge ... Packaged Functions in SQL Column/Function Name Precedence Realities: Calling PL/ SQL Functions in SQL Examples of Embedded PL/ SQL PL/ SQL is a procedural language extension to SQL, so you can also ... evaluate carefully when and where PL/ SQL functions in SQL will you the most good Simplify your SQL statements All the reasons you have to modularize your PL/ SQL code apply to SQL as well, particularly...
Ngày tải lên: 15/12/2013, 04:15
Tài liệu Oracle PL/SQL Language Pocket Reference- P19 docx
... to understand both your intentions and your understanding of the package Previous: 17.4 Restrictions on PL/ SQL Functions in SQL 17.4 Restrictions on PL/ SQL Functions in SQL Oracle PL/ SQL Programming, ... discusses how you can call out to non -PL/ SQL programs from within Oracle Previous: 17.8 Examples of Embedded PL/ SQL 17.8 Examples of Embedded PL/ SQL Oracle PL/ SQL Programming, 2nd Edition Book Index ... Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark Previous: 17.7 Realities: Calling PL/ SQL Functions in SQL Chapter 17 Calling PL/ SQL Functions in SQL Next: V New PL/ SQL8 ...
Ngày tải lên: 15/12/2013, 04:15
Tài liệu Oracle PL/SQL Language Pocket Reference- P20 pdf
... Objects Example 18.2 Oracle Objects Example Oracle PL/ SQL Programming, 2nd Edition Book Index Next: 18.4 Manipulating Objects in PL/ SQL and SQL 18.4 Manipulating Objects in PL/ SQL and SQL The Oracle ... database references, and you might get something like Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark basil.meals.calories@mktg.ny.acme.com In PL/ SQL Version and up, ... functions accept no parameters and must return a date, character, or number that is, something that SQL and PL/ SQL already know how to compare Please purchase PDF Split-Merge on www.verypdf.com...
Ngày tải lên: 15/12/2013, 04:15
Tài liệu Oracle PL/SQL Language Pocket Reference- P21 doc
... structures and operations Note that these operators are not available in PL/ SQL proper, but only in SQL You can, however, employ these operators in SQL statements which appear in your PL/ SQL code, and ... from within SQL; they can only be used within PL/ SQL programs The first seven are functions (and are the same methods available for PL/ SQL or index-by tables in PL/ SQL Release 2.3), and the last ... storing singly dimensioned sparse arrays in PL/ SQL Known as the "PL/ SQL table," this structure is thoroughly documented in Chapter 10, PL/ SQL Tables PL/ SQL8 introduces two new collection structures...
Ngày tải lên: 15/12/2013, 04:15
Tài liệu Oracle PL/SQL Language Pocket Reference- P22 pptx
... Example: PL/ SQL- to-Server Integration 19.7 Example: PL/ SQL- toServer Integration The Oracle Library Navigation Copyright (c) 2000 O'Reilly & Associates All rights reserved Please purchase PDF Split-Merge ... burden of transferring data between server and PL/ SQL application program, let's look at a new example The main entity in this example is the "apartment complex." We use a nested table of objects ... topic, object views are closer to SQL than to PL/ SQL However, PL/ SQL developers who are interested in fully exploiting Oracle's object features must understand object views This chapter pays...
Ngày tải lên: 15/12/2013, 04:15
Tài liệu Oracle PL/SQL Language Pocket Reference- P23 docx
... Debugging PL/ SQL, describes how to debug your PL/ SQL programs Chapter 25, Tuning PL/ SQL Applications, describes how to tune your PL/ SQL programs so they run most efficiently Chapter 26, Tracing PL/ SQL ... parameter Table 21.1: Legal Mappings of PL/ SQL and C Datatypes C Datatype if PL/ SQL Formal Parameters are IN BY REFERENCE or RETURN BY REFERENCE IN OUT or OUT PL/ SQL Datatype IN or RETURN "Long" integer ... perform OCI callbacks to the database to execute SQL or PL/ SQL Refer to Oracle's PL/ SQL User's Guide and Reference for detailed documentation and examples of using these routines Previous: 21.4 Mapping...
Ngày tải lên: 15/12/2013, 04:15
Tài liệu Oracle PL/SQL Language Pocket Reference- P24 pptx
... readability of the code Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark Previous: VI Making PL/ SQL Programs Work VI Making PL/ SQL Programs Work Oracle PL/ SQL Programming, ... and assign a value to salary_out, as shown in this example: PROCEDURE generate_raise (employee_id_in IN employee.employee_id%TYPE, salary_out OUT employee.salary%TYPE) IS sal NUMBER; days_employed ... the application Previous: 22.1 Select Meaningful Module and Parameter Names Oracle PL/ SQL Programming, 2nd Edition Next: 22.3 Take Full Advantage of Local Modularization Please purchase PDF Split-Merge...
Ngày tải lên: 15/12/2013, 04:15