Coretan Anak Kampung

Compare 2 Table Mssql

patlisan — Thu, 25 Mar 2010 11:07:52 +0000

Ref : http://www.sql-server-tool.com/compare-two-tables.htm
How to compare two tables – SQL Server

Sample SQL statements to compare data in two tables with identical structure.

(Statements work for MS SQL Server, as well as for many other databases.)

To find records which exist in source table but not in target table:

SELECT * FROM t1 WHERE NOT EXISTS (SELECT * FROM t2 WHERE t2.Id = t1.Id)

SELECT * FROM t1 LEFT OUTER JOIN T2 on t1.Id = t2.Id WHERE t2.Id IS NULL

If the primary key consists of more than one column, you can modify SQL statement:

SELECT Id, Col1 FROM t1 WHERE NOT EXISTS
(SELECT 1 FROM t2 WHERE t1.Id = t2.Id AND Col1.t1 = Col2.t2)

On SQL Server 2005 or newer you can use the EXCEPT operator:

SELECT Id, Col1 FROM t1 EXCEPT SELECT Id, Col1 FROM t2

To find records which exist in source table but not in target table, as well as records which exists in target table but not in source table:

SELECT * FROM (SELECT Id, Col1 FROM t1, ‘old’
UNION ALL
SELECT Id, Col1 FROM t2, ‘new’) t
ORDER BY Id

Note: For tables with large amounts of data UNION statement might be very slow.

You can use SQL Server Comparison Tool to simplify and automate your comparison processes.

Compare 2 Table Mssql

patlisan — Thu, 25 Mar 2010 11:06:42 +0000

Apa yang terjadi jika programmer kangen

patlisan — Wed, 22 Jul 2009 07:40:34 +0000

Wah…cerita unix ini perlu tak kenang biar bisa diingat-ingat klu pas lagi kangen sama sanEnscript(xxxx xxxxxxxx xxxxxx) Siapa yang tidak pernah merasakan kangen ? setiap manusia pasti punya rasa kangen terhadap apa yang disayang dan dicintainya. Seperti halnya programmer kangen akan koding dan kangen akan masalah2 baru. tapi dikasus kali ini beda. Hati siapa yang tidak akan sedih, jika sesuatu yang disayanginya pergi. Dan orang mana yang mampu bertahan jika sesuatu yang dicintainya tidak adalagi. Mulailah tersirat disini..kenapa dan mengapa bisa seperti ini!! tanda tanya sebesar gunung kerincipun muncul…K E N A P A BISA BEGINI? DURJANA BETUL HIDUP INI JIKA XXXX XXXXXXXXX XXXXXX TAK ADA. Mencoba untuk mengenang masa lalu, jika dalam keadaan ini. aku berusaha untuk koding dan mencari ide-ide aneh..ternyata tidak mempan..gundah sekali jika penyakit kangen ini menimpa hati. Cara rohanipun telah ditempuh..Tilawah(Setiap ayat2 yg dibaca selalu teringat pada xxxx xxxxxxxx xxxxxx) ya Alloh…apa yg terjadi dengan hatiku ?

Application Design Optimization Tips(SQL Server) By Alexander Chigrik

patlisan — Wed, 22 Jul 2009 07:17:21 +0000

Here are fifteen tips that you can use to ensure your Application Designs are performing in the most efficient manner possible.
1. Use stored procedures instead of passing ANSI-compliant SQL to the database.
This can reduce network traffic because your client will send only the stored procedure name to the server, (perhaps with some parameters), instead of the large heavy-duty queries text. Stored procedures can also be used to enhance security and conceal underlying data objects. For example, you can give the users permission to execute the stored procedure to work with the restricted set of the columns and data.
2. Design the application to run queries asynchronously.
This can improve performance of your application because one query will not have to wait for the next before it runs.
3. Consider using Microsoft Transaction Server (MTS) for object pooling.
This can improve the performance of your application because MTS allows COM objects to be pooled.
4. If most of the users have modern power computers (‘fat’ clients), consider design application to make client data caching.
By doing so, you can reduce the load of your SQL Server because when users will need to access the data they will use local desktop resources, not SQL Server resources.
5. Consider designing the application to take advantage of the n-tier application model.
By using the n-tier application model, you can increase the application’s performance and scalability.
6. Try to restrict the result sets by using the WHERE clause in your SELECT statements.
This can result in good performance benefits because SQL Server will return to the client only particular rows, not all rows from the table(s). This can reduce network traffic and boost the overall performance of the query.
7. Try to restrict the result sets by returning only the particular columns from the table, not all of the table’s columns.
This can result in good performance benefits because SQL Server will return to the client only particular columns, rahter than all of the table’s columns. This can reduce network traffic and boost the overall performance of the query.
8. Try to restrict the result sets by using the select statements with the TOP keyword.
This can improve the performance of your application because a smaller result set will be returned. This can also reduce the traffic between the server and the client.
9. Use SQL Server cursors to allow your application to fetch a small subset of rows instead of fetching all of the table’s rows.
SQL Server cursors allow the application to fetch any block of rows from the result set, including the next n rows, the previous n rows, or n rows starting at a certain row number in the result set. Using SQL Server cursors can reduce network traffic because a smaller result set will be returned.
10. Use ADO or OLE DB for accessing data from the applications that need high performance.
This can improve performance of your application in comparison with using DAO or ODBC. OLE DB is a low-level COM API for accessing data and ADO is an application-level interface that uses OLE DB. Microsoft recommends using OLE DB for developing tools, utilities, or low-level components that need high performance and using ADO for general-purpose access programs in business applications (Accounting, Human Resources, and Customer Management).
11. When you connect to SQL Server, use ‘Microsoft OLE DB Provider for SQL Server’ instead of ‘Microsoft ODBC Driver for SQL Server’.
Because the native OLE DB provider is faster than the ODBC provider, you should use the OLE DB provider whenever possible.
12. Set a lock time-out so that queries used in your application will not run indefinitely.
You can use the SET LOCK_TIMEOUT command to allow an application to set a maximum time that a statement waits on a blocked resource. When the LOCK_TIMEOUT setting is exceeded, the blocked statement is canceled automatically, and error message 1222 “Lock request time-out period exceeded” will be returned to the application. Your application should have an error handler that can trap the error message 1222.
13. Avoid using both OLTP and OLAP transactions within the same database.
Because OLTP transactions are optimal for managing changing data and OLAP transactions are optimal for data queries that do not change data, try to relegate OLTP and OLAP transactions to their own databases.
14. Try to avoid using the Refresh method when you call stored procedures from the ADO Command object.
This can improve performance of your application because using the Refresh method produces extra network traffic. You should explicitly create the stored procedure parameters using ADO code, instead of using the Refresh method to identify the parameters of a stored procedure.
15. Avoid creating transactions using ADO’s methods.
Try to create transactions inside a stored procedure on the SQL Server. By doing so, you can reduce network traffic and boost overall application performance.

Menyimpan Data Ms Access Dari ASP.net

patlisan — Thu, 16 Apr 2009 10:42:04 +0000

Menyambung artikel sebelumnya, hari ini baiklah kita akan membahas bagaimana cara untuk menyimpan data,
Langkah pertama adalah membuat sebuah function static untuk mendapatkan connection string.
public static string GetConString() { return ConfigurationManager.AppSettings["constr"]; }
Catatan : ConfigurationManager.AppSettings["constr"](di bahas pada bab koneksi msaccess dengan asp.net)

Setelah mendapatkan Koneksinya maka kita dapat menggunakan untuk mengesekusi data, ingat namespace “System.Data”
protected void SaveCommand_Click(object sender, EventArgs e) { string constr=GetConString(); OleDbConnection con; con = new OleDbConnection(constr); OleDbCommand cmd; cmd = new OleDbCommand("INSERT INTO TABLE1(NAMA)VALUES(?)", con); cmd.CommandType = CommandType.Text; con.Open(); cmd.Parameters.AddWithValue("NAMA", txtName.Text); cmd.ExecuteNonQuery(); }
Perintah diatas akan mengesekusi data pada table satu dengan paramater ?,
?
Note : Silahkan berikan saran dan masukan jika terdapat kesalhan dalam penulisannya

Koneksi MS Access dengan ASP.net

patlisan — Wed, 15 Apr 2009 09:02:03 +0000

Sudah lama Tidak menulis dan merangkai kata-kata, berhubung lagi mumet daku iseng ingin berbagi dengan rekan-rekan lainnya bagaimana memanipulasi Koneksi Database Ms access dengan ASP.Net, Langkah Pertama Konfigurasi Web.config seperti berikut ini :
1. tambah kan tag Add Key pada

Remark : Jangan lupa untuk mengimport namescape
Import Namespace=”System.Data.OleDb”

nah setelah jadi, bagaimana anda ingin membuka koneksi di asp.net.
Perhatikan langkah penggunaannya.


    public bool OpenConnection()

    {

        OleDbConnection con; con = new OleDbConnection(ConfigurationManager.AppSettings["constr"]);
        if (con.State != System.Data.ConnectionState.Open)

        {

            try

            {

                con.Open(); return true;

            }

            catch (Exception) { return false; }

        }

        else return false;

    }

function diatas merupakan function untuk membuka koneksi ke database.
anda bisa memanggilnya saat dengan memanfaatkan event pada asp.net
sebagai contoh pemanggilannya
protected void Page_Load(object sender, EventArgs e) { OpenConnection(); }
Pada saat halaman web dibuka, maka function openConnection akan diexsekusi.
Note : Klu terdapat kesalahan mohon dikoreksi dan diberi masukannya

Introduction With Microsoft Dynamic SL

patlisan — Tue, 29 Jul 2008 10:46:54 +0000

Microsoft Dynamic SL is ERP System for Manufacture. Solomon we call this application. We can customize application and report with vb editor and report designer,Not must compile in IDE. Solomon use Microsoft SQL Server Database for high performance. And Crystal Report 10 for the best viewer report. Module of Solomon very complete for manufacture. For Inventory Solomon more give we solution and give we accurate data for Inventory Items and Inventory Cost. Solomon Integreted to Accounting system.

Hello world!

patlisan — Mon, 28 Jul 2008 11:12:21 +0000

Procedure HelloWorld;
Begin
ShowMessage(‘Hello World’);
End;

Private Sub HelloWorld
MsgBox(“Hello World”)
End Sub

Hihihi…..