Tài liệu Getting a Sequence Value from Oracle pdf
Tài liệu Getting a Sequence Value from Oracle pdf
... Team LiB ]
Recipe 4.4 Getting a Sequence Value from Oracle
Problem
When you add a row into an Oracle table that uses a sequence to generate the value for a
primary key column, the value assigned ... the DataTable is replaced by a
value generated by the database. You need to retrieve the new value to keep the
DataTable synchronized with the database.
Sol...
Tài liệu Retrieving a Single Value from a Query pdf
... [ Team LiB ]
Recipe 9.10 Retrieving a Single Value from a Query
Problem
Given a stored procedure that returns a single value, you need the fastest way to get this
data.
Solution ... ExecuteScalar( ) method to return a single value from a stored procedure.
The sample code uses the ExecuteScalar( ) method to get the number of records in the
Orders table of the Nor...
Tài liệu Getting an AutoNumber Value from Microsoft Access pdf
... DataAdapter is created and used to fill the
DataTable. The insert command and its parameters are defined for the
DataAdapter so that new rows can be added to the data source. An event handler ...
Creates a new row in the Categories DataTable using the entered CategoryName
and Description values and the automatically generated CategoryID field. The
Update( ) method of the DataAdapter .....
Tài liệu Getting a SQL Server Query Plan pdf
... the plan for.
cmd.CommandText = "SELECT * FROM Customers WHERE Country='USA' " +
"ORDER BY CompanyName";
// Retrieve the plan into DataReader.
SqlDataReader ... Example 10-9
.
Example 10-9. File: ShowPlanForm.cs
// Namespaces, variables, and constants
using System;
using System.Configuration;
using System.Text;
using System.Data;
using System.Data...
Tài liệu Getting to Know Oracle8 and Oracle 8 Enterprise Edition doc
... provide an alternative interface.
Media management layer interfaces to popular third-party tape management
products are available. Legato Storage Manager is provided free with both Oracle8
and the Oracle8 ... maintenance
operations. Partition operations can be performed in parallel. Partitions increase
availability by isolating media and application failures—applications not requiring
data...
Tài liệu Pass a Dataset Back from an XML Web Service docx
... Pass a Dataset Back from an XML Web Service
I want to be able to get more data than just a single value. How do I retrieve a whole
dataset from a Web Service?
Technique
When you need to pass ... need to pass back a record or multiple records from a Web Service, you have
to pass it back as a DataSet object, rather than a DataTable object.
For this How-To, you will...
Tài liệu Reading a Column Value Using Strongly Typed DataSet Classes pptx
... System.Data.SqlClient.SqlDataAdapter mySqlDataAdapter =
new System.Data.SqlClient.SqlDataAdapter();
mySqlDataAdapter.SelectCommand = mySqlCommand;
MyDataSet myDataSet = new MyDataSet();
sqlConnection1.Open(); ... MyDataSet();
You can also create a strongly typed DataTable table object using the
MyDataSet.CustomersDataTable class and populate it with rows from the Customers
tabl...
Tài liệu Appendix A: ISA Server Caching Criteria pdf
...
contains an Always Cache meta-tag. This scenario hardly occurs, and for
performance reasons, you should carefully evaluate caching of dynamic
content.
HTTP Request Headers. ISA Server bypasses ... size of the varying
header and its value.
Headers added by the ISA Server for caching. ISA Server adds the Age
header to all objects served from the cache. The Age header indicates h...
Tài liệu Appendix A: Library Database Case Study pdf
... individual?
What percentage of the books was loaned out at least once last year?
What percentage of all loans eventually becomes overdue?
What is the average length of a loan?
What are the library’s ... title_no
on_loan
Library
Database Diagram
2 Appendix A: Library Database Case Study
Daily Library Functions
Many daily library functions exist. The following are some of the
mo...
Tài liệu Getting Started and Building Start.TXT pdf
... subnet 0 has become more common. The labs in this manual
assume that you can assign addresses to the router’s interfaces using subnet 0. If you
use any routers that have an IOS earlier than 12.0, ... configurations. You
need to create a text file that can be pasted into your labs and used as a starting point for
your router configuration. Specifically, you must build a login configu...
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