advanced features of oracle pl sql
Trả lời bài tập ORACLE PL/SQL
Ngày tải lên :
22/08/2012, 09:51
... tường minh?
Cursor ngầm là một địa chỉ không đặt tên của một lệnh SQL được
xử lý bởi Oracle và/hay cơ chế thực thi PL/ SQL. Mọi lệnh SQL đều thực
hiện trong một cursor ngầm, bao gồm các lệnh update, ... dụng hay
không. Trả về là TRUE hay FALSE
4. Có bao nhiêu loại vòng lặp trong PL/ SQL?
Các kiểu vòng lặp có sẵn trong PL/ SQl là:
• Lệnh loop-exit.
• Lệnh while-loop.
• Lệnh for-loop.
5. Phân biệt ...
minh, developer có toàn quyền điều khiển trên sự thực hiện lệnh.
DECLARE
CURSOR employee_cursor IS
SELECT * FROM employee;
...
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Oracle PL SQL cơ bản
Ngày tải lên :
31/08/2012, 16:46
... 11
2.2. SQL* PLUS, CÔNG CỤ TƯƠNG TÁC LỆNH SQL VỚI DATABASE 11
2.2.1. Câu lệnh tương tác của SQL* Plus .11
2.2.2. Phân nhóm câu lệnh trong SQL* Plus 12
2.2.3. Chi tiết các lệnh SQL* Plus cơ ... sách này được upload tại: hutonline.net
Oracle cơ bản - SQL và PL/ SQL
ký từ tính từ trái sang
LTRIM(char1, n [,char2])
NLS_INITCAP(char)
REPLACE(char,search_string[,replacem
ent_string]) ... này được upload tại: hutonline.net
Oracle cơ bản - SQL và PL/ SQL
MỤC LỤC
MỤC LỤC 1
CHƯƠNG 1. GIỚI THIỆU CHUNG 5
1.1. NGÔN NGỮ SQL 5
1.1.1. Lịch sử phát triển của ngôn ngữ SQL .5
...
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Giới thiệu chung về Oracle PL SQL cơ bản
Ngày tải lên :
29/09/2013, 05:20
...
Quyển sách này được upload tại: hutonline.net
Oracle cơ bản - SQL và PL/ SQL
Chương 1. GIỚI THIỆU CHUNG
1.1.NGÔN NGỮ SQL
1.1.1.
Lịch sử phát triển của ngôn ngữ SQL
Mô hình cơ sở dữ ...
Trang 4
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Oracle cơ bản - SQL và PL/ SQL
Primary Key nhất thiết phải có số liệu.
Foreign Key Là một column ... unit Tập hợp các câu lệnh thực hiện được viết bởi ngôn ngữ SQL và
PL/ SQL, bao gồm Procedure, function, package
1.2.3.
Các nhóm lệnh SQL cơ bản
Tên lệnh
SELECT
INSERT
UPDATE
DELETE
Diễn...
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Oracle PL/SQL Language Pocket Reference- P5
Ngày tải lên :
17/10/2013, 22:15
...
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 table), and then pass ... independent of any host language.
Because the focus of this book is on standalone PL/ SQL development, I present cursor variables as a
PL/ SQL Release 2.3 enhancement. If you do have PL/ SQL Release ... name
Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark.
When the test for termination takes place After each execution of the loop body, PL/ SQL checks
the value of the...
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Oracle PL/SQL Language Pocket Reference- P6
Ngày tải lên :
20/10/2013, 17:15
... constants, etc.). In PL/ SQL, the select list of a SELECT may contain PL/ SQL variables,
expressions, and even functions (PL/ SQL Release 2.1 and above).
Please purchase PDF Split-Merge on www.verypdf.com ...
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 each UPDATE, ...
Previous: 6.3 Implicit and
Explicit Cursors
Oracle PL/ SQL
Programming, 2nd Edition
Next: 6.5 Opening Cursors
6.3 Implicit and Explicit
Cursors
Book Index
6.5 Opening Cursors
The Oracle Library...
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Oracle PL/SQL Language Pocket Reference- P7
Ngày tải lên :
20/10/2013, 17:15
...
6.2.1 Types of Cursors
You have 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 ... this is not actually a PL/ SQL table, but a type of table. Here are some examples:
TYPE emp_names_tabtype IS TABLE OF ;
TYPE dates_tabtype IS TABLE OF ;
PL/ SQL table
A PL/ SQL table is declared ... possible in PL/ SQL only through the use of the DBMS _SQL built-in package
(see
Appendix C, Built-In Packages). All other forms of SQL executed inside a PL/ SQL program
represent static SQL; these...
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Oracle PL/SQL Programming
Ngày tải lên :
23/10/2013, 15:15
... with PL/ SQL 71
72
1.4 PL/ SQL Versions 72
1.4.1 Working with Multiple Versions of PL/ SQL 72
1.4.2 How This Book Handles Different Versions of PL/ SQL 73
1.4.3 PL/ SQL Version 2.0 73
1.4.4 PL/ SQL ... Introduction to PL/ SQL 66
1.1 What Is PL/ SQL? 66
68
1.2 The Concept of Programming in Oracle Applications 68
70
1.3 The Origins of PL/ SQL 70
1.3.1 Improved Application Portability with PL/ SQL 70
1.3.2 ... 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 Built−ins 379
383
10.9 Working with PL/ SQL Tables...
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Oracle PL/SQL Language Pocket Reference- P8
Ngày tải lên :
24/10/2013, 15:15
... 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 ... remainder of the datatypes in the numeric category are all subtypes of NUMBER. They are
provided in ORACLE& apos;s SQL and in PL/ SQL in order to offer compatibility with ANSI SQL, SQL/
DS, and ... NULL value
of the company_name variable when it is instantiated.
Previous: 4.3 NULLs in PL/
SQL
Oracle PL/ SQL
Programming, 2nd Edition
Next: 4.5 Anchored
Declarations
4.3 NULLs in PL/ SQL
Book...
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Oracle PL/SQL Language Pocket Reference- P9
Ngày tải lên :
24/10/2013, 15:15
... physical design of your programs.
The block structure is at the core of two key concepts and features of the PL/ SQL language:
Modularization
The PL/ SQL block is the basic unit of work from which ... Formatting
PL/ SQL Blocks
Oracle PL/ SQL
Programming, 2nd Edition
Next: 3.6 Using Comments
Effectively
3.4 Formatting PL/ SQL
Blocks
Book Index
3.6 Using Comments
Effectively
The Oracle Library ... Block Structure
PL/ SQL is a block-structured language. Each of the basic programming units you write to build your
application is (or should be) a logical unit of work. The PL/ SQL block allows...
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Oracle PL/SQL Language Pocket Reference- P10
Ngày tải lên :
28/10/2013, 22:15
... two versions of PL/ SQL:
●
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 ... 1.2 The Concept
of Programming in Oracle
Applications
Chapter 1
Introduction to PL/ SQL
Next: 1.4 PL/ SQL Versions
1.3 The Origins of PL/ SQL
Oracle has a history of leading the software industry ... strange planet.
So read on!
Previous: 1.6 A Few of My
Favorite (PL/ SQL) Things
Oracle PL/ SQL
Programming, 2nd Edition
Next: 2. PL/ SQL Language
Fundamentals
1.6 A Few of My Favorite
(PL/ SQL) ...
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Oracle PL/SQL Language Pocket Reference- P11
Ngày tải lên :
28/10/2013, 22:15
...
coverage of the PL/ SQL language over the life of this language. The first edition of this book covered
most of PL/ SQL& apos;s features as it existed through PL/ SQL Release 2.3. With the release of Oracle8 , ... challenge: how do we fit all the new technologies of PL/ SQL8 into Oracle PL/
SQL Programming and fill out coverage of existing elements of PL/ SQL without creating a tome so
unwieldy that reading ...
rushing off to learn Java? Because even with all of the hoopla over Java, PL/ SQL is still the best way
to build programs to access data in Oracle7 and Oracle8 databases. After Oracle began using PL/ SQL...
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Oracle PL/SQL Language Pocket Reference- P12
Ngày tải lên :
07/11/2013, 19:15
... of a PL/ SQL Table
Clearing the PL/ SQL Table
PL/ SQL Table Enhancements in PL/ SQL Release 2.3
Working with PL/ SQL Tables
A PL/ SQL table is a one-dimensional, unbounded, sparse collection of homogeneous ... Table
10.3 PL/ SQL Tables and DML Statements
Tables are PL/ SQL constructs. PL/ SQL is a linguistic extension of the Oracle SQL language, but it is
distinct from SQL. When PL/ SQL executes a SQL DML ... Tables
Contents:
PL/ SQL Tables and Other Collections
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...
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Oracle PL/SQL Language Pocket Reference- P13
Ngày tải lên :
07/11/2013, 19:15
... Previous: 10.7 Clearing the
PL/ SQL Table
Chapter 10
PL/ SQL Tables
Next: 10.9 Working with
PL/ SQL Tables
10.8 PL/ SQL Table Enhancements in PL/ SQL Release 2.3
PL/ SQL Release 2.3 offers significantly ... in PL/
SQL Release 2.3
Oracle PL/ SQL
Programming, 2nd Edition
Next: III. Built-In
Functions
10.8 PL/ SQL Table
Enhancements in PL/ SQL
Release 2.3
Book Index
III. Built-In Functions
The Oracle ...
New operations on PL/ SQL tables. PL/ SQL Release 2.3 offers a set of new built-in functions
and procedures which return information about, or modify the contents of, a PL/ SQL table.
These operations...
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Oracle PL/SQL Language Pocket Reference- P14
Ngày tải lên :
07/11/2013, 19:15
... padded_length number of characters from the left (start of the string) and then
simply returns that substring of the incoming value.
●
Place the phrase "sell!" in front of the names of selected ... the set of characters to
be translated (if found), and replace_set is the set of characters which will be placed in the string. Unlike
REPLACE, where the last argument could be left off, you ... day in the month, PL/ SQL always returns
the last day in the resulting month, regardless of the number of actual days in each of the months.
This quirk can cause problems. I offer a solution...
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Tài liệu Oracle PL/SQL For Dummies P2 pdf
Ngày tải lên :
13/12/2013, 03:15
... 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 database expands the features of ... 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
that ... 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
of these is to make your life easier. Of course,...
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