debugging a sql server stored procedure
Debugging a SQL Server Stored Procedure
Ngày tải lên :
07/11/2013, 13:15
... Team LiB ]
Recipe 9.8 Debugging a SQL Server Stored Procedure
Problem
Given an application that uses a SQL Server stored procedure that is causing errors, you
need to debug the stored procedure. ... Visual Studio .NET to debug SQL Server stored procedures (in both standalone
mode and from managed code).
Discussion
Debugging a stored procedure in standalone mode
You can debug a stored procedure ... supply the parameter values on the Run Stored Procedure dialog.
Debugging a stored procedure from managed code
To debug a stored procedure from managed code, SQL debugging must be enabled for...
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Executing SQL Server Stored Procedures phần 1
Ngày tải lên :
07/11/2013, 10:15
... row
as an OUTPUT parameter.
Listing 8.11: ADDPRODUCT .SQL
/*
AddProduct .sql creates a procedure that adds a row to the
Products table using values passed as parameters to the
procedure. ... read the output parameters.
Executing the AddProduct() Stored Procedure
In Chapter 4
, you saw how to create a stored procedure in the SQL Server Northwind
database. The procedure you saw was ...
StoredProcedure. Although you can use this CommandType to indicate that a command
is to execute a stored procedure, you're actually better off using the T -SQL EXECUTE
command to execute a stored...
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Executing SQL Server Stored Procedures phần 2
Ngày tải lên :
07/11/2013, 10:15
... then read using a SqlDataReader object.
The SqlDataReader object is closed before the output parameter is read.
The output from this program is as follows:
mySqlDataReader["ProductName"] ... before you can read any output
parameters.
6. Read the values of any output parameters.
In the following example, you'll see a stored procedure named AddProduct3() that will
return a result ... create a Command object and set its CommandText
// property to an EXECUTE statement containing the stored
// procedure call
SqlCommand mySqlCommand = mySqlConnection.CreateCommand();
mySqlCommand.CommandText...
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Design and Implement a SQL Server Database
Ngày tải lên :
25/08/2012, 09:00
... AuthID First Name Last Name
A1
John Brown
A2
Matthew Bortniker
A3
Rick Johnson
A4
Peter Wright
A5
James Moon
AuthorBook
BookID
AuthID
1 A1
2 A2
2 A3
3 A4
3 A5
3 A1
Ngoài ra một trong ... and jobs).
Cấu Trúc Vật Lý C a Một SQL Server Database
Mỗi một database trong SQL Server đều ch a ít nhất một data file chính
(primary), có thể có thêm một hay nhiều data file phụ (Secondary) ... động lại
SQL Server hay khi ta disconnect.
• Model : Database này đóng vai trò như một bảng kẻm (template) cho các
database khác. Ngh a là khi một user database được tạo ra thì SQL Server
sẽ...
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Design and Implement a SQL Server Database
Ngày tải lên :
06/10/2013, 17:20
... (template) cho các database
khác. Ngh a là khi một user database được tạo ra thì SQL Server sẽ copy toàn bộ các
system objects (tables, stored procedures ) từ Model database sang database mới
v a ... (SQL) Server nào đó là ta nói đến một Instance c a
SQL Server 2000, thông thường đó là Default Instance. Một Instance c a SQL Server 2000
có 4 system databases và một hay nhiều user database. ...
Sp_help ['object']
Cung cấp thông tin về một database object (table, view )
hay một data type.
Sp_helpdb ['database'] Cung cấp thông tin về một database cụ thể nào đó.
Sau đó...
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Specifying Locking Hints in a SQL Server Database
Ngày tải lên :
17/10/2013, 20:15
... command.
SqlCommand cmd = new SqlCommand(sqlText, conn, tran);
// Create the DataAdapter and CommandBuilder.
SqlDataAdapter da = new SqlDataAdapter(cmd);
SqlCommandBuilder cb = new SqlCommandBuilder(da); ... being read by a user and preventing users from reading data being changed by a
user. Locks are acquired and released by user actions; they are managed internally by
database software.
A locking ... statement.
READCOMMITTED
Use the same locking as a transaction with an isolation level
of READ COMMITTED.
READUNCOMMITTED Same as NOLOCK.
REPEATABLEREAD
Use the same locking as a transaction...
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Getting a SQL Server Query Plan
Ngày tải lên :
28/10/2013, 18:15
... BY CompanyName";
// Retrieve the plan into DataReader.
SqlDataReader dr = cmd.ExecuteReader( );
// Iterate over all result sets and all rows to get plan.
do
{
while (dr.Read( )) ... SHOWPLAN_TEXT (from the Query Execution category) is ON, SQL Server
returns a result set containing detailed information about how the SQL statements are
going to be executed rather than actually ... handling of date and time data
Locking Alters current session settings for handling SQL Server locking
Miscellaneous
Alters current session settings for miscellaneous SQL Server
functionality...
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Using a SqlConnection Object to Connect to a SQL Server Database phần 1
Ngày tải lên :
07/11/2013, 10:15
... when there's a suitable connection
already available. When you close a connection, that connection isn't actually closed;
instead, your connection is marked as unused and stored in ...
mySqlConnection.ConnectionString = server= localhost;database=Northwind;uid=sa;
mySqlConnection.ConnectionTimeout = 15
mySqlConnection.Database = Northwind
mySqlConnection.DataSource = localhost
mySqlConnection.PacketSize ... stores database connections in a pool. Connection
pooling offers a great performance improvement because you don't have to wait for a
brand new connection to the database to be established...
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Tài liệu Using a SqlConnection Object to Connect to a SQL Server Database phần 2 doc
Ngày tải lên :
14/12/2013, 13:15
... that handles an event is known as an event handler. You call this method
when a particular event is fired. All event handler methods must return void and accept
two parameters. The first parameter ... // create a SqlCommand object
SqlCommand mySqlCommand = mySqlConnection.CreateCommand();
// run a PRINT statement
mySqlCommand.CommandText =
"PRINT 'This is the message from ... SqlConnection(" ;server= localhost;database=Northwind;uid=sa;pwd=sa");
// monitor the StateChange event using the StateChangeHandler() method
mySqlConnection.StateChange +=
new StateChangeEventHandler(StateChangeHandler);...
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Tài liệu Specifying Locking Hints in a SQL Server Database doc
Ngày tải lên :
14/12/2013, 18:16
... command.
SqlCommand cmd = new SqlCommand(sqlText, conn, tran);
// Create the DataAdapter and CommandBuilder.
SqlDataAdapter da = new SqlDataAdapter(cmd);
SqlCommandBuilder cb = new SqlCommandBuilder(da); ... as a transaction with an isolation level
of READ COMMITTED.
READUNCOMMITTED Same as NOLOCK.
REPEATABLEREAD
Use the same locking as a transaction with an isolation level
of REPEATABLE READ. ... SqlCommandBuilder(da);
// Fill table using the DataAdapter.
DataTable dt = new DataTable( );
da.Fill(dt);
// Bind the default view of the table to the grid.
dataGrid.DataSource = dt.DefaultView;...
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