performance tuning in oracle 10g pl sql

advanced sql functions in oracle 10g

advanced sql functions in oracle 10g

Ngày tải lên : 01/06/2014, 01:08
... used Oracle, SQL* Plus, and, to some extent, PL/ SQL This book can be used for individual study or reference, in advanced Oracle training settings, and in advanced xi Preface database classes in ... string functions INSTR, SUBSTR, and REPLACE have analogs in Chapter 7, “Regular Expressions: String Searching and Oracle 10g. ” The INSTR Function INSTR ( in- string”) is a function used to find ... discussing simple SQL functions Chapter | Calling Simple SQL Functions Oracle has a large number of simple functions Wherever a value is used directly or computed in a SQL statement, a simple SQL...
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Advanced SQL Functions in Oracle 10g ppt

Advanced SQL Functions in Oracle 10g ppt

Ngày tải lên : 27/06/2014, 06:20
... used Oracle, SQL* Plus, and, to some extent, PL/ SQL This book can be used for individual study or reference, in advanced Oracle training settings, and in advanced xi Preface database classes in ... string functions INSTR, SUBSTR, and REPLACE have analogs in Chapter 7, “Regular Expressions: String Searching and Oracle 10g. ” The INSTR Function INSTR ( in- string”) is a function used to find ... the newer tools of Oracle 10g Chapter reviews common Oracle functions Chapter covers some common reporting tools in Oracle s SQL* Plus Chapter introduces and discusses Oracle 10g s analytical functions,...
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advanced sql Functions in Oracle 10G phần 1 doc

advanced sql Functions in Oracle 10G phần 1 doc

Ngày tải lên : 08/08/2014, 18:21
... used Oracle, SQL* Plus, and, to some extent, PL/ SQL This book can be used for individual study or reference, in advanced Oracle training settings, and in advanced xi Preface database classes in ... string functions INSTR, SUBSTR, and REPLACE have analogs in Chapter 7, “Regular Expressions: String Searching and Oracle 10g. ” The INSTR Function INSTR ( in- string”) is a function used to find ... discussing simple SQL functions Chapter | Calling Simple SQL Functions Oracle has a large number of simple functions Wherever a value is used directly or computed in a SQL statement, a simple SQL...
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advanced sql Functions in Oracle 10G phần 2 potx

advanced sql Functions in Oracle 10G phần 2 potx

Ngày tải lên : 08/08/2014, 18:21
... example: SELECT TRIM (' This string has leading and trailing spaces ') FROM dual Which gives: TRIM('THISSTRINGHASLEADINGANDTRAILINGSPACES This string has leading and trailing ... statement in a script A script is a text file that is stored in the operating system (e.g., Windows) in the C: /Oracle /bin directory (Windows) and run with a START command In the text file, we can include ... another application 51 Reporting Tools in Oracle s SQL* Plus There are many reporting tools available in the marketplace that are easier to use and give much more elaborate results than the Oracle...
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advanced sql Functions in Oracle 10G phần 3 pot

advanced sql Functions in Oracle 10G phần 3 pot

Ngày tải lên : 08/08/2014, 18:21
... Oracle processes queries, we can look at the EXPLAIN PLAN output (see the EXPLAIN PLAN sidebar) 80 Chapter | The EXPLAIN PLAN Output The EXPLAIN PLAN command may be used to find out how the Oracle ... managing the Plan Table goes like this: Create the Plan Table Populate the Plan Table with a statement like: EXPLAIN PLAN FOR [put your SQL statement here] Query the Plan Table Truncate the Plan ... versions The Plan Table may be created with a utility called UTLXPLAN .SQL, which is in one of the Oracle directories If EXPLAIN PLAN is used directly, then the user must first create the Plan Table...
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advanced sql Functions in Oracle 10G phần 4 ppt

advanced sql Functions in Oracle 10G phần 4 ppt

Ngày tải lên : 08/08/2014, 18:21
... of how Oracle 10g has improved querying, see “DSS Performance in Oracle Database 10g, ” an Oracle white paper, September 2003 This article shows how the Optimizer has been improved in 10g 110 ... Window 0: Original time Original value Windowed (smoothed) value 12 11 = [(12 + 10 + null)]/2 10 Window 5: Original time Original value Windowed (smoothed) value = [(9 + + null)]/2 Oracle s SQL ... reported window rows would be: 120 Chapter | Window 1: Original time Original value Windowed (smoothed) value 12 10 12 = [(12 + 10 + 14)/3] 14 Window 2: Original time Original value Windowed (smoothed)...
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advanced sql Functions in Oracle 10G phần 5 pps

advanced sql Functions in Oracle 10G phần 5 pps

Ngày tải lên : 08/08/2014, 18:21
... certified, making it equal to “x” when null and then testing for “x” in the CASE clause As illustrated in the last example, the workaround is not really necessary with CASE Grouping at Multiple Levels ... producing the following results First, we use a ROLLBACK to un-null the nulls we generated in Employee1, giving us this version of the Employee1 table: SELECT * FROM employee1 Giving: EMPNO -101 ... region attributes, we would be asking for the data warehousing “cube.” The warehousing cube concept implies reducing tables by rolling up different columns (dimensions) Oracle provides a CUBE predicate...
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advanced sql Functions in Oracle 10G phần 6 ppsx

advanced sql Functions in Oracle 10G phần 6 ppsx

Ngày tải lên : 08/08/2014, 18:21
... target string); REs are incorporated into new functions in Oracle 10g that have these names: REGEXP_x, where x = INSTR, LIKE, REPLACE, SUBSTR (e.g., REGEXP_INSTR) The new functions may be used in both ... conjunction of string searching, REs, Oracle 10g, and POSIX is that in rewriting the “normal” string functions like INSTR, one may use standardized POSIX symbols in REGEXP_INSTR (and other REGEXP_x ... Expressions.” 225 Regular Expressions: String Searching and Oracle 10g REGEXP_INSTR We will begin our exploration of REs using the REGEXP_INSTR function As with INSTR, the function returns a number...
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advanced sql Functions in Oracle 10G phần 7 docx

advanced sql Functions in Oracle 10G phần 7 docx

Ngày tải lên : 08/08/2014, 18:21
... available in PL/ SQL since Oracle In the O7 version of Oracle, TABLEs (aka INDEX-BY TABLEs) were introduced in PL/ SQL The PL/ SQL TABLE is much like the idea that programmers have of an array In ordinary ... programming arrays; however, in PL/ SQL TABLEs, there is flexibility and a connection to SQL with TYPEing with these array-like structures The use of PL/ SQL TYPEing to SQL began in Oracle where SQL ... Regular Expressions: String Searching and Oracle 10g Alternative Quoting Mechanism in Oracle 10 10g Anyone who has had to deal with quotes in character strings in prior versions of Oracle has had to...
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advanced sql Functions in Oracle 10G phần 8 pptx

advanced sql Functions in Oracle 10G phần 8 pptx

Ngày tải lên : 08/08/2014, 18:21
... -Richard John 311 Collection and OO SQL in Oracle This approach is quite interesting because we are doing in PL/ SQL what we were not allowed to in SQL — access an individual member of an array Here ... access VARRAY elements in several ways: by using the TABLE function, by using a VARRAY self-join, by using the THE function, or by using PL/ SQL We will explain each of these ways in the next few sections ... example could look like this: SQL> CREATE OR REPLACE TYPE mem_type IS VARRAY(10) of VARCHAR2(15); / Giving: Type created (Note the semicolon and slash are used in the SQL* Plus syntax.) In ordinary...
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advanced sql Functions in Oracle 10G phần 9 pdf

advanced sql Functions in Oracle 10G phần 9 pdf

Ngày tải lên : 08/08/2014, 18:21
... standard means of exchanging data over the Internet In HTML, tags are standard For example, is an opening tag for bolding, is a closing tag for underlining, is an opening tag for a header ... A INSTR This function returns the location (beginning) of a pattern in a given string The general format for this function is: INSTR(string, pattern-to-find) For example, the query: SELECT INSTR('Pattern', ... zero or more times inside the chemical element.2 Displaying XML in a Browser XML is designed to transfer data in a standard fashion Displaying XML data in a browser requires something other than...
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advanced sql Functions in Oracle 10G phần 10 pptx

advanced sql Functions in Oracle 10G phần 10 pptx

Ngày tải lên : 08/08/2014, 18:21
... logical, 137-143 windowing subclause, 120 X XML, 338 displaying in a browser, 342-344 generating from SQL tables, 344-347 problems with using attributes in, 340-341 transforming into SQL, 347-355 ... 167-174 SQL, transforming XML into, 347-355 using aggregate functions in, 111-115 SQL functions, 3-4 SQL statement, execution order of, 65-77 using analytical function in, 77-80 SQL tables, generating ... calculating, 45-48 summation row, adding, 186-188 summing, within a partition, 189-191 symbolic reference, 185 T table, creating, 274, 279-280 creating in VARRAY, 300 displaying, 275-276 inserting...
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Oracle® Database PL/SQL Language Reference ppt

Oracle® Database PL/SQL Language Reference ppt

Ngày tải lên : 07/03/2014, 23:20
... 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 Database with PL/ SQL ... Against SQL Injection 7-16 Using Explicit Format Models to Guard Against SQL Injection 7-17 Declaring, Defining, and Invoking a Simple PL/ SQL Procedure 8-3 Declaring, Defining, ... Error Handling on page 11-1 For information about PL/ SQL warnings, see Overview of PL/ SQL Compile-Time Warnings on page 11-19 Overview of PL/ SQL 1-5 Main Features of PL/ SQL PL/ SQL Input and Output...
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Oracle Advanced PL/SQL Developer Professional Guide pdf

Oracle Advanced PL/SQL Developer Professional Guide pdf

Ngày tải lên : 14/03/2014, 18:20
... Safeguarding PL/ SQL Code against SQL Injection Attacks SQL injection—an introduction SQL injection—an overview Types of SQL injection attacks Preventing SQL injection attacks Immunizing SQL injection ... Compiling the database for PL/ SQL native compilation (NCOMP) Tuning PL/ SQL code Comparing SQL and PL/ SQL Avoiding implicit data type conversion Understanding the NOT NULL constraint Using the PLS_INTEGER ... Executing a SQL statement Calling a SQL script from SQL Developer Creating and executing an anonymous PL/ SQL block Debugging the PL/ SQL code Editing and saving the scripts SQL* Plus Executing a SQL...
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Oracle® Database PL/SQL User''''s Guide and Reference potx

Oracle® Database PL/SQL User''''s Guide and Reference potx

Ngày tải lên : 30/03/2014, 22:20
... (OTN, including bulk binding enhancements and debugging PL/ SQL with JDeveloper: http://www .oracle. com/technology/obe/obe10gdb/develop/ plsql/plsql.htm New Features in PL/ SQL for Oracle Database 10g ... Using PL/ SQL With Object Types Declaring and Initializing Objects in PL/ SQL Declaring Objects in a PL/ SQL Block How PL/ SQL Treats Uninitialized Objects Manipulating ... by PL/ SQL PL/ SQL Sample Programs You can install the PL/ SQL sample programs from the Oracle Database Companion CD The demos are installed in the PL/ SQL demo directory, typically ORACLE_ HOME/plsql/demo...
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Tài liệu McGraw.Hill.Oracle.Database.10g.Performance.Tuning.Tips.and.Techniques.Jul.2007 doc

Tài liệu McGraw.Hill.Oracle.Database.10g.Performance.Tuning.Tips.and.Techniques.Jul.2007 doc

Ngày tải lên : 24/01/2014, 04:20
... anyone working with Oracle 10g Rich Niemiec, Oracle Tuning Expert This book is the ultimate for Oracle 10gR2 Tuning! ” —Stan Novinsky, Systems Integration Engineer and Senior DBA Johns Hopkins University ... Oracle Performance Tuning going into the minutest details.” —Shankar Mukherjee, Oracle Consultant ComTel Technologies, Calcutta, India “Since I met Rich, he has influenced my approach to tuning ... Shared Pool and Pinning PL/ SQL Objects Pinning (Caching) PL/ SQL Object Statements into Memory Pinning All Packages ...
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Oracle Database 10g Performance Tuning Tips & Techniques pdf

Oracle Database 10g Performance Tuning Tips & Techniques pdf

Ngày tải lên : 17/03/2014, 10:20
... anyone working with Oracle 10g Rich Niemiec, Oracle Tuning Expert This book is the ultimate for Oracle 10gR2 Tuning! ” —Stan Novinsky, Systems Integration Engineer and Senior DBA Johns Hopkins University ... Oracle Performance Tuning going into the minutest details.” —Shankar Mukherjee, Oracle Consultant ComTel Technologies, Calcutta, India “Since I met Rich, he has influenced my approach to tuning ... Shared Pool and Pinning PL/ SQL Objects Pinning (Caching) PL/ SQL Object Statements into Memory Pinning All Packages ...
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Oracle PL/SQL Programming in Simple Steps pot

Oracle PL/SQL Programming in Simple Steps pot

Ngày tải lên : 22/03/2014, 10:20
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Trả lời bài tập ORACLE PL/SQL

Trả lời bài tập ORACLE PL/SQL

Ngày tải lên : 22/08/2012, 09:51
... 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 ... 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 tường minh Một trỏ tường minh đặt tên developer Nó lệnh ... tường minh cách sử dụng cú pháp cursor cursor_name is Khi lệnh select đặt 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

Oracle PL SQL cơ bản

Ngày tải lên : 31/08/2012, 16:46
... - 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 ... sách upload tại: hutonline.net Oracle - SQL PL/ SQL KING CLARK MILLER KING FLARK MILLER PRESIDENT PTESIDENT MANAGER MINIGET CLERK CLETK Ví dụ hàm REPLACE(char,search_string[,replacement_string]) ... 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...
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