difference between built in and user defined functions
Tài liệu User Defined Functions doc
Ngày tải lên :
22/12/2013, 00:16
...
)
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...
- 5
- 559
- 4
Tài liệu Creating User-Defined Functions pdf
Ngày tải lên :
26/01/2014, 07:20
...
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...
- 7
- 274
- 0
the relationship between cnsumer acceptability and descriptive sensory attributes in cheddar cheese
Ngày tải lên :
03/04/2013, 21:06
... training
regarding the evaluation of dairy products. Food and chemical references as
well as cheese samples were used in the training. A 15-point intensity line
scale where 0 = “not detected” and ... panelists’ training was cut
into nine blocks that were approximately 2.45 ¥ 6.35 cm in dimension. The
cheese blocks were prepared 1 h prior to testing, wrapped in aluminum foil and
placed on ... consumer
acceptability using preference mapping and logistic regression.
113SENSORY ATTRIBUTES IN CHEDDAR CHEESE
the casein matrix in proteolysis and a slight increase in solid fat because of
moisture...
- 16
- 552
- 2
Create and Call SQL Server 2000 User-Defined
Ngày tải lên :
28/10/2013, 19:15
... 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 ... 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...
- 8
- 414
- 0
Tài liệu Executing SQL Server User-Defined Scalar Functions doc
Ngày tải lên :
21/01/2014, 11:20
...
[ 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:...
- 2
- 299
- 1
Tài liệu Relationship between anthropometric variables and nutrient intake in apparently healthy male elderly individuals: A study from Pakistan docx
Ngày tải lên :
14/02/2014, 06:20
... cereals, legumes and other plant
foods bind zinc and inhibit its absorption [41]. Factors
found mainly in plant foods including phosphorus, flavo-
noids, oxalates and soy protein can also inhibit iron
absorption ... people
in those two categories had adequate protein intake. Simi-
larly, in the normal weight and underweight BMI cate-
gories, adequate energy and protein intake were reported
for 64 and 22, and ... respectivel y in the
underweight and obese elderly.
Table 2 shows % number of overweight and obese
elderly defined by BMI, WC and WHR. Most of the
overweight and/ or obese elderly defined by any...
- 9
- 525
- 0
Tài liệu Báo cáo khoa học: The crystal structure of human a-amino-b-carboxymuconatee-semialdehyde decarboxylase in complex with 1,3-dihydroxyacetonephosphate suggests a regulatory link between NAD synthesis and glycolysis ppt
Ngày tải lên :
18/02/2014, 06:20
... (a ⁄ b)
8
barrel domain is colored in light blue and the ACMSD-
specific small insertion domain in blue. The DHAP molecule and
the protein residues involved in metal coordination are shown as
sticks; ... the first structure of
an ACMSD in a ligand-bound form and can be used
to provide insights into catalysis. In particular, the
residues involved in inhibitor binding can be suggested
to be important ... the ligand O1 and O1P
atoms at 2.5 and 2.8 A
˚
, respectively. Moreover, the
ligand is engaged in a number of stabilizing interac-
tions with the protein milieu by contacting both pro-
tein residues...
- 9
- 796
- 0
Tài liệu Báo cáo khoa học: A kinetic model of the branch-point between the methionine and threonine biosynthesis pathways in Arabidopsis thaliana doc
Ngày tải lên :
20/02/2014, 02:21
... validated in vitro andusedtoexamine
the branch-point kinetics in detail and to obtain insights into
the kinetic controls of methionine and threonine synthesis in
plants.
The branch-point between ... methionine
and threonine biosynthesis pathways in Arabidopsis the
following procedure was used.
Firstly, the kinetic links inside the branch-point and
between the branch-point system and the ... measure threonine and
cystathionine flux. Threonine flux was measured using
purified threonine deaminase and commercial lactate dehy-
drogenase. Threonine deaminase transforms threonine into
oxobutyrate...
- 13
- 906
- 0
Tài liệu Báo cáo khoa học: "Portable Translator Capable of Recognizing Characters on Signboard and Menu Captured by Built-in Camera" docx
Ngày tải lên :
20/02/2014, 15:20
... 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...
- 4
- 493
- 0