synchronizing and optimizing the index

... on the same disk You can back up the database by using the BACKUP command Query the TABLE_NAME column in the USER_ TABLES data dictionary view Use the DBMS_STATS.GENERATE_STATS procedure The ... in the orapwd file Back up the datafiles and control files in the /disk1/oracle/dbs directory The department_id, department_name, and location_id columns are in the hr.departments table Set the ... use and disclosure and are also protected by copyright, patent and other intellectual and industrial property laws Reverse engineering, disassembly or decompilation of the Programs, except to the...

Ngày tải lên: 05/03/2014, 19:20

... on the same disk You can back up the database by using the BACKUP command Query the TABLE_NAME column in the USER_ TABLES data dictionary view Use the DBMS_STATS.GENERATE_STATS procedure The ... in the orapwd file Back up the datafiles and control files in the /disk1/oracle/dbs directory The department_id, department_name, and location_id columns are in the hr.departments table Set the ... use and disclosure and are also protected by copyright, patent and other intellectual and industrial property laws Reverse engineering, disassembly or decompilation of the Programs, except to the...

Ngày tải lên: 28/03/2014, 22:20

... BACKUP command Query the TABLE_NAME column in the USER_ TABLES data dictionary view Use the DBMS_STATS.GENERATE_STATS procedure The password is specified in the orapwd file Back up the datafiles and control ... information, see these Oracle resources: s s s Oracle9i Database New Features for information about the differences between Oracle9i and the Oracle9i Enterprise Edition and the available features and options ... use and disclosure and are also protected by copyright, patent and other intellectual and industrial property laws Reverse engineering, disassembly or decompilation of the Programs, except to the...

Ngày tải lên: 18/04/2014, 10:23

... causing the problem The author commented out the entire routine and re-executed the program Within five minutes, it was clear that there was nothing wrong with the routine The mistake was in the ... the tests, and how these tests fit into the software development cycle Before you dig into the details, understanding the following basics of testing is helpful: ߜ The essence of testing is the ... one place in the body of the function and one place in the exception handler Save Debugging Time with WHEN OTHERS Most programmers know better than to use WHEN OTHERS THEN NULL in their code because...

Ngày tải lên: 08/08/2014, 20:21

... and classes, user names and roles, program units, and parameter values Enter sqlplus to open SQL*Plus You can back up the database by using the BACKUP command Query the TABLE_NAME column in the ... objects are declared in the package body rather than in the package specification, so they can be referenced only by other objects in the package They cannot be referenced outside the package See Also: ... Separating the Specification and Body The specification of a package declares the public types, variables, constants, and subprograms that are visible outside the immediate scope of the package The body...

Ngày tải lên: 24/10/2013, 17:15

... guide use tables and other objects from the HR schema of the sample database These tables, such as EMPLOYEES and DEPARTMENTS, xxi are more extensive and realistic than the EMP and DEPT tables ... multiple times You place the keyword LOOP before the first statement in the sequence and the keywords END LOOP after the last statement in the sequence The following example shows the simplest kind of ... executed, then control resumes at the top of the loop If the condition is false or null, the loop is bypassed and control passes to the next statement In the following example, you find the first...

Ngày tải lên: 08/08/2014, 20:21

... call spec Keyword and Parameter Description AUTHID Determines whether all the packaged subprograms execute with the privileges of their definer (the default) or invoker, and whether their unqualified ... Statement The OPEN statement executes the query associated with a cursor It allocates database resources to process the query and identifies the result set the rows that match the query conditions The ... c1 cursor, which queries a subset of the columns from the table The example retrieves a single row from the table and stores it in the record, then checks the values of some table columns DECLARE...

Ngày tải lên: 08/08/2014, 20:21

Ngày tải lên: 05/08/2013, 01:26

... condition THEN actions [ELSIF condition THEN actions] [ELSE actions] END IF Ví dụ IF ename := 'SCOTT' THEN beam_me_up := 'YES'; COMMIT; ELSE beam_me_up := 'NO'; ROLLBACK; END IF; Ví dụ IF choice= THEN ... ROLLBACK; END IF; Ví dụ IF choice= THEN action := 'Run payroll'; ELSIF choice=2 THEN action:='Run'; ELSIF choice=3 THEN action:='Backup'; ELSE action:='Invalid'; END IF; 18.2 LOOP EXIT LOOP actions; ... Trang 64 Công ty cổ phần đầu t phát triển công nghệ - FPT Giáo trình SQL PL/SQL New: Tạo Name: Tìm theo program unit Delete: Xoá Close: Đóng Help: Trợ giúp Apply Revert PL/SQL Interpreter Khi chọn...

Ngày tải lên: 24/10/2013, 09:15

... Server processes them It separates the SQL statements and sends them individually to the SQL statements executor A single transfer is required to send the block from the application to the Oracle Server, ... in the Oracle Server The engine filters out SQL statements and sends them individually to the SQL statement executor in the Oracle server It processes the remaining procedural statements in the ... Reports, and Graphics), you can declare procedures and functions as part of the application (a form or report) and call them from other procedures, functions, and triggers (see next page) within the...

Ngày tải lên: 27/10/2013, 22:15

... by the logical operators AND, OR, and NOT operators AND, OR, and NOT The variables always yield TRUE, FALSE, or NULL The variables always yield TRUE, FALSE, or NULL Arithmetic, character, and ... PL/SQL for the developer as well as the DBA well as the DBA Explain the benefits of PL/SQL Explain the benefits of PL/SQL Create, execute, and maintain procedures, Create, execute, and maintain ... should be able to the following: the following: • Recognize the basic PL/SQL block and its sections • Recognize the basic PL/SQL block and its sections • • • • • • 1-2 Describe the significance...

Ngày tải lên: 22/01/2014, 11:20

... data and voice connectivity on the front and rear for Category 5e and applications Connectivity on the front of the panel accommodates standard RJ45 patch cords Connectivity for hubs, routers and ... TrueNet® Structured Cabling The Ethernet test access panel allows noninvasive testing and monitoring of Ethernet signals up to and including Gigabit Ethernet As carrier and enterprise networks deploy ... 10Base-T and 100Base-T Ethernet The 25-pair cable assemblies are Category PowerSum telco cables that provide precise connectivity between Fast Ethernet switches and 5100 or 5800 Patch Panels With the...

Ngày tải lên: 24/01/2014, 11:20

... cập CSDL quan hệ văn ISO 9075-1989 Tất hệ quản trị CSDL lớn giới cho phép truy cập SQL hầu hết theo chuẩn ANSI 1.4 Các khái niệm CSDL Table cấu trúc lu trữ CSDL quan hệ (RDBMS), bao gồm nhiều ... column View cấu trúc logic hiển thị liệu từ nhiều bảng Sequence kết sinh giá trị cho primary key Index tăng tính thực thi cáu truy vấn Synonym tên tơng đơng đối tợng Program unit gồm Procedure, ... Manipulation Language) Là lệnh dùng để thiết lập, thay đổi hay xoá bỏ cấu trúc liệu nh table, view, index Những lệnh đợc gọi lệnh định nghĩa liệu DDL (Data Definition Language) Quản lý việc thay đổi...

Ngày tải lên: 26/01/2014, 08:20

... prove the formula for calculating the local dimension In Section 3, we prove the maximal sequences, it is used to find the lower local dimension The proof of the Main Theorem will be given in the ... k−1 ] On the other hand, it is easy to see that k+1 k−1 ]+1=[ ] [ 2 Thus, Hk+1 = Hk + [ k+1 ] Then by considering the cases n is odd or n if even, we have the last resul in the claim The claim ... But for each of them, the way to find α, α and E is quite different It is conjectured that the way to find them in the general case is dificult Let us recall that for s ∈ supp µ the local dimension...

Ngày tải lên: 13/02/2014, 04:20

... database with the execution plans of the current database If there is a difference, then execute the statement on the new Oracle9i database and compare the performance with the performance of the statement ... skipping the current step and moving on to the next step of the upgrade After the upgrade is complete, you can fix the cause of any errors and restart the Database Upgrade Assistant The Database ... the features and functionality of the Oracle9i (also known as the standard edition) and the Oracle9i Enterprise Edition products Oracle9i and the Oracle9i Enterprise Edition have the same basic...

Ngày tải lên: 07/03/2014, 23:20

... producing the result of the query The Row Source Generator receives the optimal plan from the optimizer and outputs the execution plan for the SQL statement The SQL Execution Engine operates on the ... Understanding Indexes and Clusters Understanding Indexes Tuning the Logical Structure Choosing Columns and Expressions to Index Choosing Composite Indexes ... to the Optimizer 1-9 Understanding the Cost-Based Optimizer With the fast-response method, the CBO explores different plans and computes the cost to produce the first n rows for each It picks the...

Ngày tải lên: 07/03/2014, 23:20

... parallel_clause The password is specified in the orapwd file Back up the datafiles and control files in the /disk1/oracle/dbs directory The department_id, department_name, and location_id columns are in the ... for information about the differences between Oracle9i and the Oracle9i Enterprise Edition and the features and options that are available to you This preface contains these topics: s Audience ... database not reside on the same disk You can back up the database by using the BACKUP command Query the TABLE_NAME column in the USER_ TABLES data dictionary view Use the DBMS_STATS.GENERATE_STATS...

Ngày tải lên: 07/03/2014, 23:20

... v_customer_id FROM customer ORDER BY RAND() FETCH FIRST ROW ONLY; FOR i IN ( SELECT product_id, CAST(RAND()*50 as integer)+1 as quantity FROM product WHERE ROWNUM < CAST(RAND()*10 as integer)) LOOP add_item_to_shopping_cart(i.product_id, ... a.customer_id=b.order_id AND b.creation_time>CURRENT DATE -1 month) LOOP v_customer_names := v_customer_names || '"' || row.first_name || ' ' || row.last_name || '", '; END LOOP; IF(LENGTH(v_customer_names) > 0) THEN ... để thực lặp lại nhiều lần Các khối ẩn danh khối PL/SQL tiêu chuẩn Chúng có kèm cú pháp phải tuân theo quy tắc áp dụng cho tất khối PL/SQL, gồm khai báo quy mô biến, việc thực hiện, xử lý ngoại...

Ngày tải lên: 24/03/2014, 06:20

... M4A, AAC, AC3, OGG, AU… Tạo ảnh cho phim, thiết lập khoảng thời gian chụp hình ảnh từ phim DVD theo đoạn chụp ảnh xem lưu chúng định dạng ảnh: BMP, JPG, PNG GIF Nén định dạng DVD cho thiết bị ... bit tương ứng cách sử dụng Bitrate Calculator  Cài đặt cấu hình nâng cao Các thông số phân nhóm theo video, hình ảnh , âm từ khóa , cho phép bạn thay đổi chúng thuận tiện  Chuyển đổi nhiều tiêu...

Ngày tải lên: 25/03/2014, 17:20

... Groups and User The following local UNIX groups and user must exist on the system: ■ The oinstall group (the Oracle Inventory group) ■ The dba group (the OSDBA group) ■ The oracle user (the Oracle ... of these guides are available on the product disc To access them, use a Web browser to open the welcome.htm file, either in the top-level directory of the CD-ROM or in the db directory on the ... software owner) The oinstall and dba groups and the oracle user may already exist on your system To determine whether they exist already, and if necessary, to create them, follow these steps: 16...

Ngày tải lên: 07/04/2014, 15:52