pl sql packages and types reference

... in PL/ SQL Packages and Types Reference? The following sections describe the new features in Oracle PL/ SQL Packages and Types Reference: s Oracle Database 10g Release (10.1) New Features s New Packages ... example: package_name.type_name package_name.item_name package_name.subprogram_name 1-6 PL/ SQL Packages and Types Reference Summary of Oracle Supplied PL/ SQL Packages Abbreviations for Datetime and ... Examples Code examples illustrate SQL, PL/ SQL, SQL* Plus, or other command-line statements They are displayed in a monospace (fixed-width) font and separated from normal text as shown in this example:...

Ngày tải lên: 24/10/2013, 17:15

... preferences and templates • Identify the input sources for the Web PL/ SQL Generator and explain the generated output • Explain how generated PL/ SQL creates HTML and JavaScript to implement applications ... executing PL/ SQL packages stored in an Oracle database These are the PL/ SQL packages that the Web PL/ SQL Generator creates 1-12 Oracle Designer 6i: Web PL/ SQL Design and Generation ... creates a set of PL/ SQL packages that you can install into an Oracle database account The generated PL/ SQL packages make use of the Oracle Web PL/ SQL Developer’s Toolkit and the Web PL/ SQL Generator...

Ngày tải lên: 28/06/2014, 10:20

... Figure 1–5 PL/ SQL Boosts Performance SQL SQL Application Other DBMSs SQL SQL Application Application SQL IF THEN SQL ELSE SQL END IF; SQL RPC Oracle with PL/ SQL Oracle with PL/ SQL and Stored ... environments 1-22 PL/ SQL User’s Guide and Reference Advantages of PL/ SQL Tight Integration with SQL The PL/ SQL and SQL languages are tightly integrated PL/ SQL supports all the SQL datatypes and the non-value ... PL/ SQL User’s Guide and Reference has 11 chapters and appendices Chapters through 10 introduce you to PL/ SQL and show you how to use its many features Chapter 11 serves as a reference to PL/ SQL...

Ngày tải lên: 17/01/2014, 09:20

... 3-1 PL/ SQL Number Types 3-2 PL/ SQL Character and String Types 3-4 PL/ SQL National Character Types 3-8 PL/ SQL LOB Types 3-10 PL/ SQL Boolean Types ... Advantages of PL/ SQL Figure 1–1 PL/ SQL Boosts Performance SQL SQL Application Other DBMSs SQL SQL Application Application SQL IF THEN SQL ELSE SQL END IF; SQL Oracle Database with PL/ SQL RPC Oracle ... defined 1-4 PL/ SQL User's Guide and Reference Understanding the Main Features of PL/ SQL Variables and Constants PL/ SQL lets you declare constants and variables, then use them in SQL and procedural...

Ngày tải lên: 24/01/2014, 08:20

... Advantages of PL/ SQL Figure 1–1 PL/ SQL Boosts Performance SQL SQL Application Other DBMSs SQL SQL Application Application SQL IF THEN SQL ELSE SQL END IF; SQL Oracle Database with PL/ SQL RPC Oracle ... Oracle Database PL/ SQL User’s Guide and Reference PL/ SQL Architecture Figure 1–3 PL/ SQL Engine PL/ SQL Engine procedural PL/ SQL Block PL/ SQL Block Procedural Statement Executor SQL SQL Statement ... Database PL/ SQL User’s Guide and Reference Understanding the Main Features of PL/ SQL Writing Reusable PL/ SQL Code PL/ SQL lets you break an application down into manageable, well-defined modules PL/ SQL...

Ngày tải lên: 30/03/2014, 22:20

... Figure 1–5 PL/ SQL Boosts Performance SQL SQL Application Other DBMSs SQL SQL Application SQL IF THEN SQL ELSE SQL END IF; SQL Oracle8i with PL/ SQL Application RPC Oracle8i with PL/ SQL and Stored ... local PL/ SQL engine must rely on Oracle to process PL/ SQL blocks and subprograms When it contains the PL/ SQL engine, an Oracle server can process PL/ SQL blocks and subprograms as well as single SQL ... PL/ SQL User’s Guide and Reference has 11 chapters and appendices Chapters through 10 introduce you to PL/ SQL and show you how to use its many features Chapter 11 serves as a reference to PL/ SQL...

Ngày tải lên: 07/08/2014, 11:22

... functions and format models, see 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 ... precedence than AND Therefore, the second expression is equivalent to: (NOT valid) AND done 2-44 PL/ SQL User’s Guide and Reference Expressions and Comparisons In the following example, notice that ... equal to low value and less than or equal to high value." For example, the following expression is false: 45 BETWEEN 38 AND 44 2-46 PL/ SQL User’s Guide and Reference Expressions and Comparisons...

Ngày tải lên: 07/08/2014, 11:22

... the SQL statements and, in some cases, returns data to the PL/ SQL engine Figure 4–3 Context Switching PL/ SQL Engine Procedural Statement Executor procedural PL/ SQL Block SQL Engine SQL d a t a SQL ... 5-1 SQL Support SQL Support By extending SQL, PL/ SQL offers a unique combination of power and ease of use You can manipulate Oracle data flexibly and safely because PL/ SQL fully supports all SQL ... transaction properties such as read/write access and isolation level 5-2 PL/ SQL User’s Guide and Reference SQL Support SQL Functions PL/ SQL lets you use all the SQL functions including the following aggregate...

Ngày tải lên: 07/08/2014, 11:22

... VARIABLE return_code NUMBER Both SQL* Plus and PL/ SQL can reference the host variable, and SQL* Plus can display its value However, to reference a host variable in PL/ SQL, you must prefix its name with ... cursor variable */ EXEC SQL CLOSE :generic_cv; } exit(0); } void sql_ error() { /* Handle SQL error here */ } 5-28 PL/ SQL User’s Guide and Reference Using Cursor Variables Example A host variable ... techniques for improving performance and explains how your applications can use them Use Object Types and Collections Collection types (see Chapter 4) and object types (see Chapter 9) increase your...

Ngày tải lên: 07/08/2014, 11:22

... exception handler into an enclosing block Error Handling 6-17 Handling Raised Exceptions Using SQLCODE and SQLERRM In an exception handler, you can use the built-in functions SQLCODE and SQLERRM ... For more information, see Oracle8i SQL Reference 7-6 PL/ SQL User’s Guide and Reference Understanding Functions The pragma AUTONOMOUS_TRANSACTION instructs the PL/ SQL compiler to mark a function ... are named PL/ SQL blocks that can take parameters and be invoked PL/ SQL has two types of subprograms called procedures and functions Generally, you use a procedure to perform an action and a function...

Ngày tải lên: 07/08/2014, 11:22

... VARCHAR2; PL/ SQL resolves a call to TO_CHAR by matching the number and datatypes of the formal and actual parameters 8-16 PL/ SQL User’s Guide and Reference Product-specific Packages Product-specific Packages ... Modularity Packages let you encapsulate logically related types, items, and subprograms in a named PL/ SQL module Each package is easy to understand, and the interfaces between packages are simple, ... Packages Oracle and various Oracle tools are supplied with product-specific packages that help you build PL/ SQL- based applications For example, Oracle is supplied with many utility packages, a few...

Ngày tải lên: 07/08/2014, 11:22

... never-opened cursor variable, PL/ SQL raises INVALID_CURSOR 10-8 PL/ SQL User’s Guide and Reference Using the OPEN-FOR, FETCH, and CLOSE Statements Some Examples As the following example shows, you can fetch ... Dynamic SQL 10-15 Tips and Traps 10-16 PL/ SQL User’s Guide and Reference 11 Language Elements Grammar, which knows how to control even kings —Molière This chapter is a quick reference guide to PL/ SQL ... page 2-28 11-4 PL/ SQL User’s Guide and Reference Assignment Statement indicator_name This identifies an indicator variable declared in a PL/ SQL host environment and passed to PL/ SQL Indicator variables...

Ngày tải lên: 07/08/2014, 11:22

... statement that references collection elements 11-82 PL/ SQL User’s Guide and Reference FORALL Statement Usage Notes The SQL statement can reference more than one collection However, the PL/ SQL engine ... dynamic SQL does not support PL/ SQL- specific types So, for example, define variables and bind arguments cannot be Booleans or index-by tables The only exception is that a PL/ SQL record can appear in ... string before every execution Examples The following PL/ SQL block contains several examples of dynamic SQL: DECLARE sql_ stmt VARCHAR2(200); plsql_block VARCHAR2(500); emp_id NUMBER(4) := 7566;...

Ngày tải lên: 07/08/2014, 11:22

... IMMEDIATE Statement 11-126 PL/ SQL User’s Guide and Reference Packages Packages A package is a schema object that groups logically related PL/ SQL types, items, and subprograms Packages have two parts: ... Dynamic SQL supports all the SQL datatypes For example, bind arguments can be collections, LOBs, instances of an object type, and refs As a rule, dynamic SQL does not support PL/ SQL- specific types ... characters in the PL/ SQL character set: letters, numerals, spaces, and special symbols PL/ SQL is case sensitive within character literals So, for example, PL/ SQL considers the literals ’Q’ and ’q’ to...

Ngày tải lên: 07/08/2014, 11:22

... "Sample FOR Loop" on page A-3 sample2 "Sample Cursors" on page A-4 sample3 "Sample Scoping" on page A-6 sample4 "Sample Batch Transaction Processing" on page A-7 sample5 "Sample Embedded PL/ SQL" ... A-10 PL/ SQL User’s Guide and Reference TIME_TAG 18-NOV-88 18-NOV-88 18-NOV-88 18-NOV-88 18-NOV-88 18-NOV-88 18-NOV-88 Sample Embedded PL/ SQL Sample Embedded PL/ SQL The following example shows ... 11-176 PL/ SQL User’s Guide and Reference A Sample Programs This appendix provides several PL/ SQL programs to guide you in writing your own The sample programs illustrate several important PL/ SQL...

Ngày tải lên: 07/08/2014, 11:22

... 3-1 PL/ SQL Number Types 3-2 PL/ SQL Character and String Types 3-4 PL/ SQL National Character Types 3-8 PL/ SQL LOB Types 3-10 PL/ SQL Boolean Types ... Advantages of PL/ SQL Figure 1–1 PL/ SQL Boosts Performance SQL SQL Application Other DBMSs SQL SQL Application Application SQL IF THEN SQL ELSE SQL END IF; SQL Oracle Database with PL/ SQL RPC Oracle ... defined 1-4 PL/ SQL User's Guide and Reference Understanding the Main Features of PL/ SQL Variables and Constants PL/ SQL lets you declare constants and variables, then use them in SQL and procedural...

Ngày tải lên: 08/08/2014, 20:21

... PL/ SQL datatype, and constraint applies only to base types that can specify precision and scale or a maximum size 3-16 PL/ SQL User's Guide and Reference Overview of PL/ SQL Subtypes Some examples ... 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 ... predefined PL/ SQL datatypes The scalar types fall into four families, which store number, character, Boolean, and date/time data, respectively PL/ SQL Datatypes 3-1 Overview of Predefined PL/ SQL Datatypes...

Ngày tải lên: 08/08/2014, 20:21

... tables Example 5–25 Creating a SQL Type Corresponding to a PL/ SQL Nested Table In SQL* Plus, you can create SQL types whose definitions correspond to PL/ SQL nested tables and varrays: SQL> CREATE ... 6-2 PL/ SQL User's Guide and Reference Overview of SQL Support in PL/ SQL CREATE TABLE employees_temp AS SELECT employee_id, first_name FROM employees; CREATE TABLE employees_temp2 AS SELECT employee_id, ... complex than single values, you can store PL/ SQL records or SQL object types in collections Nested tables and varrays can also be attributes of object types Understanding Nested Tables PL/ SQL...

Ngày tải lên: 08/08/2014, 20:21

... into a PL/ SQL package For more information about packages, see Chapter 9, "Using PL/ SQL Packages" 8-2 PL/ SQL User's Guide and Reference Understanding PL/ SQL Functions Understanding PL/ SQL Procedures ... 6-19.) 7-4 PL/ SQL User's Guide and Reference Examples of Dynamic SQL for Records, Objects, and Collections Examples of Dynamic SQL for Records, Objects, and Collections Example 7–3 Dynamic SQL Fetching ... and manipulate Oracle data An optional exception-handling part, which deals with runtime error conditions Using PL/ SQL Subprograms 8-1 Advantages of PL/ SQL Subprograms Example 8–1 Simple PL/ SQL...

Ngày tải lên: 08/08/2014, 20:21

... the PLSQL_WARNINGS initialization parameter, the DBMS_WARNING package, and the USER/DBA/ALL_PLSQL_OBJECT_SETTINGS views Handling PL/ SQL Errors 10-17 Overview of PL/ SQL Compile-Time Warnings PL/ SQL ... use the SQL* Plus SHOW ERRORS command or query the USER_ERRORS data dictionary view PL/ SQL warning messages all use the prefix PLW 10-18 PL/ SQL User's Guide and Reference Overview of PL/ SQL Compile-Time ... END; / 8-24 PL/ SQL User's Guide and Reference Using PL/ SQL Packages Goods which are not shared are not goods —Fernando de Rojas This chapter shows how to bundle related PL/ SQL code and data into...

Ngày tải lên: 08/08/2014, 20:21