built in 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 main ... or inout parameter. It must be a parameter that is returned to the calling program. UDFs parameters are always defined as input parameters. 18 Stored Procedures, Triggers, and User- Defined Functions ... receiving and returning of parameters, returning result sets, and error handling. The way in which SQL PSM programs are called depends on how they are being used. SQL PSM may be used in:  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 ...  Khối lệnh BEGIN … END Phần thân của UDFs được bắt đầu sau từ khoá BEGIN và kết thúc bởi từ khóa END. Chú ý rằng khối lệnh này không sử dụng cho trường hợp UDFs loại inline table. Return ... @. Về nguyên tắc, một UDFs có thể không có tham số. Ví dụ : UDFs không có tham số AS Begin Insert Into @DSHangHoa(Ma_HH,Ten_HH,DonGiaKhuyenMai) Select ID_HH,Ten_HH,DonGiaHienHanh from DM_HANG_HOA...

Ngày tải lên: 22/12/2013, 00:16

... mouse button on the User Defined Functions node in the Databases folder and selecting New User Defined Function. You can then cut and paste the contents of DiscountPrice.sql into the Enterprise ... return a single value. The returned value can be of any data type except text, ntext, image, cursor, table, timestamp, and user- defined data types. • Inline table-valued functions Inline table-valued ... contain multiple T-SQL statements. You'll see examples of these three types of functions in the following sections. Using Scalar Functions Scalar functions return a single value. Listing...

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 17/03/2014, 19:21

... 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 ... ProductName nvarchar(80), CategoryName nvarchar(80), UnitPrice int ) By including the opening and closing parentheses, you can specify and return an entire table's worth of data, but be careful ... udf_ShowProdAndCat (@UnitPriceParm money) RETURNS @ProdAndCatTab TABLE ( ProductID int, ProductName nvarchar(80), CategoryName nvarchar(80), UnitPrice int ) AS BEGIN INSERT @ProdAndCatTab...

Ngày tải lên: 28/10/2013, 19:15

... [ 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. ... smallint, @Discount real ) RETURNS money AS BEGIN RETURN ((@UnitPrice * @Quantity) * (1 - @Discount)) END The sample code defines a SQL statement that uses the ExtendedPrice user- defined ... value from this function using ADO.NET. Solution Invoke the function as you would a query or stored procedure. The sample code, as shown in Example 2-16 , uses a single SQL Server function:...

Ngày tải lên: 21/01/2014, 11:20

... approach: the user specifies the beginning and ending of the character string to be recognized and translated. In Figure 3, circles on both ends of the string denote the user specified points. All ... useful information. These include destina- tions and notices in transportation facilities, names of buildings and shops, explanations at sightseeing spots, and the names and prices of dishes in restau- rants. ... delineated by rect- angles and have x,y coordinates (as shown in Fig- ure 2), the module considers all candidates and rates the arrangement of rectangles according to the dif- ferences in size and...

Ngày tải lên: 20/02/2014, 15:20

... định dạng) Một số hàm thống kê Min() Max() Sum() Ví dụ: SELECT max(ngay_sinh) FROM sinhvien SELECT min(ngay_sinh) FROM sinhvien SELECT sum(hoc_bong) FROM sinhvien Mục tiêu Hỗ trợ người dùng ... 'Khoa Tin Học' WHEN 4 THEN 'Khoa Triết Học‘ END Hàm ghép chuỗi Built- In Functions in MySQL (Hàm xây dựng sẵn trong MySQL) IFNULL(original_value,new_value) Trong đó: • Original_value: ... dựa trên các kiểu dữ liệu  Kiểu ngày (Date Functions)  Kiểu chuỗi (String Functions)  Kiểu số (Numeric Functions)  Các hàm thống kê (Summarising Function)  Ngoài ra còn có các hàm về điều...

Ngày tải lên: 25/02/2014, 03:20

... subtilisin in the presence of 98% (w/w) of KCl was tentatively explained by either rigid salt structure protecting the enzyme in organic solvents or polar environment of salt helping in maintaining ... side chains of amino acid residues of enzymes is important in nonaqueous media as well. Hence pH tuning (placing the enzyme in water at optimum pH of the enzyme, and lyophilizing) results in higher ... predecided function and milieu. In vitro combination In this alternate way of accumulating desirable changes (and features), the useful mutations identified during a generation can be recombined by ÔDNA shufflingÕ...

Ngày tải lên: 16/03/2014, 16:20

... nonmonotonic sort by calling a nonmonotonic definition as defined in the previous section. The ac- tual nonmonotonic rule occurring within the sort is a pair consisting of the when slot and the last part ... checking com- pleteness and it works similarly to the any-definition above. Finally, I will show how a fragment of a lexicon can be defined according to these rules. Note that in the definition ... to merging two default theories into one single theory and our notion of explaining a nonmo- notonic sort corresponds to computing the extension of a default theory in default logic. In default...

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Ngày tải lên: 08/08/2014, 18:21

Ngày tải lên: 08/08/2014, 18:21

... the spatial multiplexing gain as well as the multi -user selection diversity gain while also maintaining the delay constraints of the delay sensitive users. Numerical results and comparison with ... Channel estimation Scheduling results broadcast Downlink payload transmission A fading block User 1 preamble User 2 preamble User N T preamble Downlink payload - user 1 Downlink payload - user 2 Downlink ... keying RRS round robin scheduler RXZF receiver zero-forcing SDMA space division multiple access SIC successive interference cancellation SIMO single-input multi-output SISO single-input single-output SNR...

Ngày tải lên: 20/11/2012, 11:36

Ngày tải lên: 25/09/2013, 18:22