create sqlite database in core data

... Creates a DataTable containing the schema from the Orders table in the Northwind sample database. The method CreateTableFromSchema( ) in the sample code is called to create a table in the database ... String sqlType = ""; // Map the .NET type to the data source type. [ Team LiB ] Recipe 10.15 Creating a Table in the Database from a DataTable Schema Problem You need to create ... need to create a table in a database from an existing DataTable schema. Solution Use the CreateTableFromSchema( ) method shown in this solution. The sample code contains one event handler and...

Ngày tải lên: 21/01/2014, 11:20

Ngày tải lên: 29/03/2014, 16:20

... integer, floating point number, char- acter string) and built -in operators (e.g. +, -, *, /) were motivated by the needs of business data processing applications. However, in many engineering applications ... White Plains, N.Y., June 1980. [KOOI82] Kooi, R. and Frankfurth, D., "Query Optimization in INGRES," IEEE Database Engineering, September 1982. [LITW80] Litwin, W., "Linear Hashing: ... described in [ONG84]. Our initial experience with the system is that dynamic linking is not preferable to static linking. One problem is that initial loading of routines is slow. Also, the ADT routines...

Ngày tải lên: 22/10/2013, 10:15

... ExecuteNonQuery() method to run INSERT, UPDATE, and DELETE statements */ using System; using System .Data; using System .Data. SqlClient; class ExecuteInsertUpdateDelete { public static ... Executing Commands that Modify Information in the Database You can use the ExecuteNonQuery() method of a Command object to execute any command that doesn't return a result set from the database. ... SqlDataReader mySqlDataReader = mySqlCommand.ExecuteReader(); while (mySqlDataReader.Read()) { Console.WriteLine("mySqlDataReader[\" CustomerID\"] = " + mySqlDataReader["CustomerID"]);...

Ngày tải lên: 24/10/2013, 08:15

... outline the required tasks: 1. Create a web page that outputs a binary stream containing the image from the database. 2. Create a SQL statement to retrieve the required image from the database ... image using a DataReader. A DataTable or DataSet filled using a DataAdapter can also be used. 3. Set the ContentType property of the HttpResponse object to the MIME type of the image in the database. ... Problem You need to display an image from a database column in an ASP.NET control. Solution Fill an ASP.NET Image control from a database field by pointing the ImageUrl property of an Image control...

Ngày tải lên: 28/10/2013, 18:15

... System.Drawing; using System.Windows.Forms; using System.IO; using System .Data; using System .Data. SqlClient; private DataSet ds; private SqlDataAdapter da; private BindingManagerBase ... CurrencyManager class inherits from the BindingManagerBase class and maintains a pointer for the current item in a data source that implements IList, IListSource, or IBindingList. Data sources do ... Recipe 7.8 Displaying an Image from a Database in a Windows Forms Control Problem You need to display an image from a database in a Windows Forms control. Solution Read the image into a byte array...

Ngày tải lên: 28/10/2013, 18:15

... information when connecting to the database sql scripts Each of the database types has a sql file that you need to: 1. Modify to point to the right database. 2. Run to create the database and the ... embedded database to a new database, see the How to export Contact list from McKoi database to Microsoft SQL Server? document. Step 1: Download a shareware database management tool You need a database ... Files/antepo/opnserverXT /data/ download How to create a Microsoft SQL Server database for the OPN System™ XT Server? 9 Connecting to an Oracle database When you connect to the Oracle database using...

Ngày tải lên: 20/12/2013, 23:15

Ngày tải lên: 21/12/2013, 19:15

... can see various databases in your system. Now you will learn how to create a database in VS .NET. 1. You can open the Create Database dialog box from within the Server Explorer in two ways. ... choose New Database. Although both methods open the Create Database dialog box, the second method fills in the server name for you. 2. Fill in the name of the database you want to create- in this ... the information you need to create a new database. 4. Click OK to complete the dialog box and create the new database. How It Works Now you when you click on the plus sign for the new database, ...

Ngày tải lên: 21/01/2014, 12:20

... location according to yours) 6. Here is my initdb18.ora that I saved it in d:\db18 folder. This is the static parameter file that I used in my database creation (Note: If you are creating a database ... the instance in nomount mode as, startup nomount pfile=d:\db18\initdb18.ora why are you starting the database in nomount mode ? The reason is still we are not created control files. “An instance ... would be started in the NOMOUNT stage only during database creation or the re-creation of control files. 9. This step is to create the database using dbca.sql script that I saved in d:\db18 folder...

Ngày tải lên: 25/01/2014, 05:20

... define a unique constraint within the CREATE TABLE statement, it can be either inline or out-of-line. This first example shows how to create a unique key constraint and index on a column inline. ... regarding an index-organized table. Unique Indexes When creating a B-tree index you can define it to be a unique index. In this regard it acts like a unique key constraint. When inserting into ... an index without impacting existing application code. Use the INVISIBLE keyword to create an invisible index. create index cust_iidx1 on cust(last_name) invisible;  Note Invisible indexes...

Ngày tải lên: 17/02/2014, 11:20

... created the mappings, and have used them to transfer the house listings from database S and an- other database U (not shown in the figure) to those of database T . Databases S and U may contain ... 2002. Eliminating fuzzy duplicates in data warehouses. In Proc. of 28th Int. Conf. on Very Large Databases. Andritsos, P.; Miller, R. J.; and Tsaparas, P. 2004. Information-theoretic tools for mining database ... virtual databases. In Proceedings of the Conf. on Cooperative Information Systems (CoopIS). Berlin, J., and Motro, A. 2002. Database schema matching using machine learning with feature selection. In...

Ngày tải lên: 19/02/2014, 12:20

... lakes Implementing the OpenGIS specification. ã Understand the Specification Much harder than it sounds ã Add a GEOMETRY data type Point / Multipoint Linestring / Multilinestring Polygon ... combinations of complex and essentially different kinds of geographic information to happen automatically over the Internet, despite differences in the underlying GIS software systems. OGC brings ... Spatial data and spatial databases ã Adding spatial extensions to PostgreSQL ã OpenGIS and standards Spatial Relationships Containment: Rivers inside watersheds and land (islands) inside lakes...

Ngày tải lên: 20/02/2014, 05:21

... in either Michigan or Pennsylvania. This is the state of our art? Instead of assuming that the problem is one of using typed English to access and/or update a file or files in a single database ... language interfaces to databasesl" has resulted in this panel, which is supposed to debate the necessity of continuing work in this area rather than to debate technical issues in the area. ... of interfacing to database systems has outlived its usefulness as a productive environment for NL research. But I can take this stand strongly only by being very liberal in defining both "natural...

Ngày tải lên: 21/02/2014, 20:20

... systems ã Installing TimesTen on Solaris systems ã Installing TimesTen on HP-UX systems ã Installing TimesTen on HP-UX Memory Windows ã Installing TimesTen on AIX systems ã Installing TimesTen on Linux ... installation directory. 18 Oracle TimesTen In- Memory Database Installation Guide ã Building and running the demo applications ã Viewing the online documentation Finally, this chapter contains ... .83 Building and running the demo applications . . . . . . . . . . . . . .84 Defining data sources for the demo applications . . . . . . . . . . .84 16 Oracle TimesTen In- Memory Database Installation...

Ngày tải lên: 17/03/2014, 00:20

Ngày tải lên: 30/03/2014, 13:20

Ngày tải lên: 30/03/2014, 13:20

Ngày tải lên: 30/03/2014, 13:20

Ngày tải lên: 30/03/2014, 13:20

Ngày tải lên: 31/03/2014, 17:20