calling sql server user defined function from c

... function is a SQL routine that accepts one or more scalar input parameters and returns a single value A user- defined scalar function is invoked from a query or executed like a stored procedure using ... using an EXECUTE statement You can invoke scalar functions where scalar expressions can be used To invoke a scalar function, use the following syntax: [databaseName.]ownerName.functionName([argument1][, ... ]) In the solution code, the ExtendedPrice function is called as shown by: dbo.ExtendedPrice(UnitPrice, Quantity, Discount) This calculates the extended price for each row in the Order Details...

Ngày tải lên: 21/01/2014, 11:20

... necessary to define a SQL Server Administrator account This is a special account that you can use to log on in dire emergencies, such as when SQL Server refuses connections This special account ... version, SQL Server became capable of handling small e-commerce and intranet applications, and was a fraction of the cost of its competitors 1996 SQL Server 6.5 SQL Server was gaining prominence such ... the discussion holds true SQL Server faces competition from other databases, not only from other Microsoft products such as Microsoft Access and Microsoft Visual FoxPro, but also from competitors...

Ngày tải lên: 18/10/2013, 07:15

... The account has limited permissions and is local to the IIS computer and therefore not recognized as a user on remote computers To overcome this limitation when SQL Server is not on the same computer ... Trusted_Connection=Yes is also supported Add users and groups from the domain and set their access permissions as required By default, ASP.NET applications run in the context of a local user ASPNET ... the web application in the context of a domain user recognized on both IIS and SQL Server computers In addition to the areas identified where IIS and SQL Server are on the same computer, the...

Ngày tải lên: 24/12/2013, 05:15

... Ví dụ: hàm trả thứ tuần CREATE FUNCTION func_Thu(@ngay DATETIME) RETURNS NVARCHAR(10) AS BEGIN DECLARE @S NVARCHAR(10) SELECT @S = CASE DATEPART(DW,@ngay) WHEN THEN N'Chủ nhật' WHEN THEN N'Thứ ... kết cho hàm*/ END 11 Mã hóa Th c hàm • Thống kê tổng số mặt hàng loại hàng mã số 25: SELECT * FROM func_TongMH(25) • Sử dụng giá trị m c định tham số: SELECT * FROM func_TongSV(DEFAULT) Cho ta ... BEGIN C c_ câu_lệnh _c a_hàm RETURN [] END 13 Mã hóa V- Xem Thông Tin Hàm: Liệt kê danh sách hàm CSDL hành: Select * From Sys.Objects Where Type In (‘FN’, 'IF', 'TF') Liệt kê danh sách tham...

Ngày tải lên: 06/07/2014, 04:16

... access to avoid many dialog boxes confirming that you wish to continue with each step From Start /Control Panel, select User Accounts When the Users and Passwords dialog box comes up, click Create ... Association for SQL Server (PASS) conferences He runs and authors content for his web site, http://www.sqldbatips.com, which specializes in free SQL Server tools such as Reporting Services Scripter, ... Create a New Account on XP or Manage Another Account on Vista, followed by Create New Account Once the Name the Account and Choose an Account Type dialog box comes up, enter the username JThakur,...

Ngày tải lên: 08/08/2014, 18:21

... connected to • Security: Details the list of SQL Server logins that can connect to SQL Server You will see more on this in Chapter • Server Objects: Details objects such as backup devices and provides ... Query Execution node contains options that affect your T -SQL code You can change the environment in which you write T -SQL and how SSMS interacts with SQL Server when running T -SQL SQL Server ➤ ... Compact Edition This allows SQL Server to run on devices such as PDAs If you have this installed, then clicking the SQL Server Compact Query button will allow a SQL Server Compact query to be run Again,...

Ngày tải lên: 08/08/2014, 18:22

... for the local computer that contains Windows users accounts with administrator rights We can therefore already connect to SQL Server with this login, which includes VMcGlynn JThakur could not ... resources it can access and whether SQL Server can trust it not to crash the server, for example By setting it to OFF, it means that SQL Server will not allow any code developed to have access ... button, SQL Server actually performs several actions First, a command is sent to SQL Server informing it of the name of the database to remove SQL Server then checks that nobody is currently connected...

Ngày tải lên: 08/08/2014, 18:22

... to 256 characters However, Unicode character sets hold up to 65,536 different characters Unicode data types take up more storage in SQL Server; in fact, SQL Server allocates double the space internally, ... to check the syntax for building a constraint within T -SQL code: ALTER TABLE child_table_name WITH NOCHECK|CHECK ADD CONSTRAINT [Constraint_Name] FOREIGN KEY (child_column_name, ,) REFERENCES ... that exists to place conditions in to Facets are prebuilt within SQL Server and expose conditions that can be tested within a policy Each facet group contains logically combined conditions One example...

Ngày tải lên: 08/08/2014, 18:22

... accessed on the customer checking account AccountNumber held in this table Finally, the order of the records inserted into SQL Server won’t change And if you scroll down the screen, the Re-compute ... processing whereby SQL Server performs a mathematical calculation on the data to back up, which generates a checksum that can then be compared once the data has been transmitted from SQL Server ... the backup was successful, and it displays the amount of time taken 13 percent processed 22 percent processed 31 percent processed 40 percent processed 54 percent processed 63 percent processed...

Ngày tải lên: 08/08/2014, 18:22

... differential backup restore This uses FILE from the backup set RESTORE DATABASE [ApressFinancial] FROM DISK = 'C: \Program Files\Microsoft SQL Server\ MSSQL10.MSSQLSERVER\MSSQL\Backup\ ApressFinancial.bak' ... percent processed 63 percent processed 72 percent processed 81 percent processed 90 percent processed 100 percent processed Processed 176 pages for database 'ApressFinancial', file 'ApressFinancial' ... [ApressFinancial] FROM DISK = 'C: \Program Files\Microsoft SQL Server\ MSSQL10.MSSQLSERVER\MSSQL\Backup\ ApressFinancial.bak' WITH FILE = 5, NOUNLOAD, STATS = 10 Once the code has fully executed, you...

Ngày tải lên: 08/08/2014, 18:22

... constraint check (CK_CustProds_AmtCheck) has cut in and the record has not been inserted Msg 547, Level 16, State 0, Line The INSERT statement conflicted with the CHECK constraint "CK_CustProds_AmtCheck" ... CustomerDetails.CustomerProducts ADD CONSTRAINT PK_CustomerProducts PRIMARY KEY CLUSTERED (CustomerFinancialProductId) ON [PRIMARY] GO Next we add a CHECK constraint on the AmountToCollect column The CustomerDetails CustomerProducts ... which they don’t, then the constraint would ignore them and still be added ALTER TABLE CustomerDetails.CustomerProducts WITH NOCHECK ADD CONSTRAINT CK_CustProds_AmtCheck CHECK ((AmountToCollect...

Ngày tải lên: 08/08/2014, 18:22

... + c. CustomerLastName AS CustomerName, c. AccountNumber, fp.ProductName, cp.AmountToCollect, cp.Frequency, cp.LastCollected FROM CustomerDetails.Customers c JOIN CustomerDetails.CustomerProducts ... cp.AmountToCollect, cp.Frequency, cp.LastCollected FROM CustomerDetails.Customers c JOIN CustomerDetails.CustomerProducts cp ON cp.CustomerId = c. CustomerId JOIN CustomerDetails.FinancialProducts fp ... c. AccountNumber, fp.ProductName, cp.AmountToCollect, cp.Frequency, cp.LastCollected FROM CustomerDetails.Customers c JOIN CustomerDetails.CustomerProducts cp ON cp.CustomerId = c. CustomerId JOIN CustomerDetails.FinancialProducts...

Ngày tải lên: 08/08/2014, 18:22

... matter what the account is that is connected, the function can be called Conversely, you can set up a function so that only specific accounts can execute the code WITH EXECUTE AS CALLER Now that ... (Apress, 2005) Scalar Functions Functions come in two types: scalar and table-valued The following shows the basic syntax to define a scalar function: CREATE FUNCTION [ schema_name ] function_ name ... in or from errors in the logic, then the function will stop executing at that point, and the T -SQL calling the function will cancel A function must also not alter any external resource such as...

Ngày tải lên: 08/08/2014, 18:22

... @UnclearedBalance money EXEC @return_value = [CustomerDetails].[apf_CustBalances] @CustId = 1, @ClearedBalance = @ClearedBalance OUTPUT, @UnclearedBalance = @UnclearedBalance OUTPUT SELECT @ClearedBalance ... following code, which inserts a withdrawal of $200 from CustomerId 1’s account: SELECT ClearedBalance FROM CustomerDetails.Customers WHERE customerId=1 INSERT INTO TransactionDetails.Transactions (CustomerId,TransactionType, ... it will not run' END TRY BEGIN CATCH SELECT 'The second catch block' END CATCH SELECT 'And then this will now work' END TRY BEGIN CATCH SELECT 'An error has occurred at line ' + LTRIM(STR(ERROR_LINE()))...

Ngày tải lên: 08/08/2014, 18:22

... version SQL Server became capable of handling small e-commerce and intranet applications, and was a fraction of the cost of its competitors 1996 SQL Server 6.5 SQL Server was gaining prominence such ... differs from that of others, the basis of the discussion holds true SQL Server faces competition from other databases, not only from other Microsoft products such as Microsoft Access and Microsoft ... to concentrate, music is just brilliant and it doesn’t come much better than 6Music from the BBC (www.bbc.co.uk/6Music) Especially from the following presenters, who daily play excellent music:...

Ngày tải lên: 14/08/2014, 10:22

... Query Execution node contains options that affect your T -SQL code You can change the environment in which you write T -SQL and how SSMS interacts with SQL Server when running T -SQL SQL Server ➤ ... like Word) • Docked Tool Window—Close Button: If checked, when you click the close button, only the active document is closed Unchecked means that all windows will be closed • Docked Tool Window—Auto ... options Source Control Node When creating code or objects, you can integrate a source control system with SQL Server so that changes are immediately stored for safety For each source control system,...

Ngày tải lên: 14/08/2014, 10:22

... defined for the local computer that contains Windows users accounts with administrator rights We can therefore already connect to SQL Server with this login, which includes VMcGlynn AJMason could ... of characters that the column can hold When it comes time to create a table, you have to be connected to SQL Server with a login that belongs to the correct server or database role that can create ... to 256 characters However, Unicode character sets hold up to 65,536 different characters Unicode data types take up more storage in SQL Server; in fact, SQL Server allocates double the space internally,...

Ngày tải lên: 14/08/2014, 10:22

... The code now looks as follows: USE ApressFinancial GO CREATE INDEX IX_CustomerProducts ON CustomerDetails.CustomerProducts ( CustomerId ) GO Execute the code by pressing F5 or Ctrl+E, or clicking ... the TransactionDetails Transactions table could accept NULL as a value, the value would be set to NULL In the customers/transactions scenario, we have specified the column cannot accept NULL ... the command has been executed successfully The command(s) completed successfully That’s it The relationship is created in the second batch of T -SQL code, the first batch ensuring that we are...

Ngày tải lên: 14/08/2014, 10:22

... MB/sec) 10 percent processed 22 percent processed 31 percent processed 41 percent processed 51 percent processed 62 percent processed 71 percent processed 81 percent processed 90 percent processed ... been successfully backed up and placed on file 10 percent processed 20 percent processed 30 percent processed 40 percent processed 50 percent processed 60 percent processed 70 percent processed ... 214 CHAPTER ■ DATABASE BACKUPS, RECOVERY, AND MAINTENANCE 19 percent processed 39 percent processed 58 percent processed 78 percent processed 97 percent processed 100 percent processed Processed...

Ngày tải lên: 14/08/2014, 10:22

... TABLE CustomerDetails.CustomerProducts WITH NOCHECK ADD CONSTRAINT CK_CustProds_AmtCheck CHECK ((AmountToCollect > 0)) GO Moving on to the third constraint to add to the CustomerDetails.CustomerProducts ... DBCC execution completed If DBCC printed error messages, contact your system administrator (1 row(s) affected) (1 row(s) affected) Column Constraints A constraint is essentially a check that SQL ... “Deleting Data” section DELETE FROM CustomerDetails.Customers DBCC CHECKIDENT('CustomerDetails.Customers',RESEED,0) INSERT INTO CustomerDetails.Customers (CustomerTitleId,CustomerFirstName,CustomerOtherInitials,...

Ngày tải lên: 14/08/2014, 10:22