difference between oracle predefined functions and user defined functions

... Triggers, and User- Defined Functions on DB2 Universal Database for iSeries Table 1-1 SQL terms and OS/400 terms cross-reference 1.2.2 Stored procedures, triggers, and user- defined functions The ... value and signals a user- defined warning message with SQLSTATE 01HDI.  A table UDF is required to show a certain number of top preforming sales people. 20 Stored Procedures, Triggers, and User- Defined ... purpose of this IBM Redbook is to describe, in detail and with practical examples, the support of stored procedures, triggers and user- defined functions (UDFs) in DB2 Universal Database for iSeries. Stored...

Ngày tải lên: 17/03/2014, 00:20

... ) User Defined Functions - UDFs Nguồn : forum.t3h.vn I Khái quát về hàm do người dùng định nghĩa I.1 Hàm do người dùng định nghĩa là gì? Hàm do người dùng định nghĩa (user defined functions ... Không thể sử dụng các hàm loại không xác định được xây dựng sẵn trong SQL Server, ví dụ: Getdate, Rand, …  Việc sử dụng RAISERROR và @@ERROR là hoàn toàn không hợp lệ.  UDFs không thể được sử ... UDFs bằng cách sử dụng tiện ích SQL Query Analyzer hoặc sử dụng công cụ dạng dấu nhắc lệnh (command-prompt) điển hình như công cụ osql. Cú pháp: CREATE FUNCTION [Tên_FUNCTION] (Khai báo các tham...

Ngày tải lên: 22/12/2013, 00:16

... userdefined functions: • Scalar functions Scalar functions return a single value. The returned value can be of any data type except text, ntext, image, cursor, table, timestamp, and user- defined ... also create functions using Enterprise Manager. You do this by clicking the right mouse button on the User Defined Functions node in the Databases folder and selecting New User Defined Function. ... User- Defined Functions You can create your own user- defined functions in SQL Server. For example, you might want to create your own function to compute the discounted price given the original price and...

Ngày tải lên: 26/01/2014, 07:20

... such use of the Programs. Oracle is a registered trademark, and Oracle Store, Oracle7 , Oracle8 , Oracle9 i, PL/SQL, and SQL*Plus are trademarks or registered trademarks of Oracle Corporation. Other ... RMAN and then type commands into the command-line interface. For example, you can start RMAN from the UNIX command shell and then execute interactive commands as follows: % rman TARGET SYS /oracle@ trgt ... database concepts and basic database administration as described in Oracle Database Concepts and the Oracle Database Administrator's Guide ■ Basic backup and recovery concepts and strategies...

Ngày tải lên: 16/10/2013, 11:15

... Create and Call SQL Server 2000 User- Defined Functions In SQL Server 2000, I have heard that you can create user- defined functions (UDFs). Where would you use UDFs, and how do you create and call ... the standard data types, or pass back a new Table data type. The example for this How-To creates and returns a Table data type, specified with the following lines of code: RETURNS @ProdAndCatTab ... frmHowTo6_8.vb: Create the UDF Code, and Assign It to a Label for Display and Use Later Private Sub frmHowTo6_8_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load ...

Ngày tải lên: 28/10/2013, 19:15

Ngày tải lên: 24/11/2013, 08:11

... [ Team LiB ] Recipe 2.13 Executing SQL Server User- Defined Scalar Functions Problem Your SQL Server 2000 database includes a user- defined function that returns a scalar value. You want ... single SQL Server function: ExtendedPrice Calculates and returns the extended price for an order line item based on the unit price, quantity, and discount. Example 2-16. SQL Server function: ExtendedPrice ... * (1 - @Discount)) END The sample code defines a SQL statement that uses the ExtendedPrice user- defined function. The statement is used by a DataAdapter to fill a DataTable with all records...

Ngày tải lên: 21/01/2014, 11:20

... the database and is 1 Introduction to Backup and Recovery 1-1 1 Introduction to Backup and Recovery This chapter explains Oracle Database backup and recovery and summarizes the Oracle solutions. ... repository and that can be restored and recovered. Oracle Backup and Recovery Solutions 1-4 Backup and Recovery User& apos;s Guide interface for backup tasks across different host operating systems, and ... page 8-4 and the CONFIGURE COMPRESSION ALGORITHM command option in the Oracle Database Backup and Recovery Reference See Also: Oracle Database Backup and Recovery Reference for settings and examples See...

Ngày tải lên: 17/03/2014, 00:20

... correlation between the type of modifier being defined and the way in which its rr~eaTt/rtg relates to the underlying data file. For this reason, Prep acquires the meanings of all user- defined ... (1978-79), pp. 229-239 and 269-284. 11. Codd, T. Seven steps to RENDEZVOUS with the casual user. [n Do2~ Base M¢m,o, gem, en¢, J. Kimbie and K. Koffeman (Eds.), North-Holland, 1974. 12. Codd, ... inputs; and pct, which returns the percentage of its list of boolean arguments which are true. Other user- defined adjectives may also be used. Thus, a "desirable instructor" might be defined...

Ngày tải lên: 17/03/2014, 19:21

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Ngày tải lên: 23/03/2014, 16:20

Ngày tải lên: 30/03/2014, 22:20

Ngày tải lên: 21/06/2014, 11:20

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Ngày tải lên: 10/08/2014, 09:22

... differences between groups. There were no significant differences in terms of the mean whole blood and serum antioxidative activ- ity (CAT, GSHpx) and the mean blood and serum MDA and MPO values ... mean whole blood and serum antioxidative activity (CAT, GSHpx) and the mean blood and serum MDA and MPO values (oxidative activity), between the pa- tients with anti-CCP(+) and those with anti-CCP(-). ... activity (increased MDA and MPO levels) in the synovial fluids of patients with RA. But no relation- ship between anti-CCP antibody existence and blood and serum oxidant activity and antioxidant defense...

Ngày tải lên: 25/10/2012, 11:15

... International Publisher. All rights reserved Research Paper Comparison between single antiplatelet therapy and combination of anti- platelet and anticoagulation therapy for secondary prevention in ischemic ... antiplatelet and an- ticoagulation therapy (target INR: 2.0-3.0; mean 2.4±0.3) for the secondary prevention of stroke according to a double-blind protocol. There was no significant difference between ... condition char- acterized by arterial and venous thrombosis and pregnancy morbidity, associated with persistently positive anticardiolipin antibodies (aCL) and/ or lu- pus anticoagulant (LA) [2]....

Ngày tải lên: 26/10/2012, 09:48

... Fasted glucose and insulin levels between the Upper Halves and Lower Halves groups were not different (P < 0.05). Fasted triglyceride and cholesterol levels between the Upper Halves and Lower ... super- vised to ensure safety and correct techniques and to monitor the appropriate amount of exercises and rest intervals. Saliva and blood samples were taken before and after the 4-month exercise ... Relationship between baseline DHEA-S level and changes in the area under curve for glucose (GAUC change) and insulin (IAUC change) in the oldest-old subjects. No correlation between GAUC change and baseline...

Ngày tải lên: 31/10/2012, 16:49

Ngày tải lên: 07/11/2012, 14:24