... several provider-specific connection string attributes in addition to those defined by ADO.NET. To open adatabase secured by a Microsoft Access database password, use the Jet OLEDB :Database Password ... obtain access to the database and database objects. This is also known as share-level security. A password does not allow groups or users to have distinct levels of access or permissions. Anyone ... the password has unrestricted access to the database. The Set Database command from the Tools Security menu is used to set up a database password. The OLE DB provider for Microsoft Jet has several...
... Team LiB ] [ Team LiB ] Recipe 1.4 Connectingtoa Secured Access Database Problem You want to connect toa Microsoft Access database that has been secured with user-level security and ... The sample code contains a single event handler: Connect Button.Click Creates and opens a connection toa Microsoft Access database secured with user-level security and a workgroup file using ... defined by ADO.NET. To open adatabase secured by Microsoft Access user-level security, use the Jet OLEDB:System Database attribute in the connection string to specify the path and filename...
... a class. d) A static constructor cannot have accessibility modifiers. b) Static constructors may or may not take parameters. e) A static constructor for a class is called automatically ... respect to Static constructors? [2.0] a) A constructor-declaration may include a set of attributes. d) A class has no other constructors than those that are actually declared in the class ... abstract class d) Delegates 97. Abstract class cannot be directly instantiated but it can be used to create object references. [0.5] a) True b) False 98. An interface is a pure abstract...
... contains a class called Alpha that contains an internal method called Method. The beta.cs file contains a class called Beta that also contains an internal method called Method. Can Alpha.Method ... Which of the following are correct statements for implementing an abstract class. [1.0] a) public abstract void class ClassA c) abstract public ClassA b) public abstract class ClassA ... mentioned c) delegates 140. namespace Space1{ namespace Space2{ class MyClass{ } }} The fully qualified name of class MyClass is : [1.5] a) Space1.MyClass() c) Space1.Space2.MyClass() ...
... initialize a class.d) A static constructor cannot have accessibility modifiers.b) Static constructors may or may not take parameters.e) A static constructor for a class is called automatically ... constructor-declaration may include a set of attributes.d) A class has no other constructors than those that are actually declared in the classb) A constructor-declaration may include a valid ... object is accessed. c) A static constructor can have public as a accessibility modifiers74. class A {public static int X = B.Y + 1;}class B{public static int Y = A. X + 1;static void Main()...
... fill a DataSet using a DataAdapter or to create a DataReader. For example: SELECT * FROM [MySheet$] Update data The UPDATE command, either static or parameterized, can update data ina worksheet ... provider to access Microsoft Excel as a data source. The Jet database engine can access other database file formats through Indexed Sequential Access Method (ISAM) drivers specified in the Extended ... either a DataAdapter or a DataReader to retrieve data from an Excel workbook. Create a SQL SELECT statement referencing a worksheet or a range in an Excel workbook and execute the statement to...
... need to understand what a SQL Server or MSDE named instance is and how to connect to one. The sample code contains a single event handler: Connect Button.Click Creates and opens a connection to ... Team LiB ] Recipe 1.7 Connectingtoa Named Instance of SQL Server or Microsoft Data Engine (MSDE) Problem You want to connect toa named instance of a SQL Server or Microsoft Data Engine ... ConfigurationSettings.AppSettings["Sql_Msde_ConnectString"]); Manager and Query Analyzer are also shared. The System.Data.SqlClient class cannot automatically discover the port number of a named instance of SQL Server listening...
... provider can read records from and insert records into a text file data source. The Jet database engine can access other database file formats through Indexed Sequential Access Method (ISAM) drivers ... Problem You want to use ADO.NET to access data stored ina text file. Solution Use the OLE DB Jet provider to access data ina text file. The sample code creates an OleDbDataAdapter that uses the ... You can access files that use non-standard text delimiters and fixed-width text files by creating a schema.ini file in the same directory as the text file. As an example, a possible schema.ini...
... primarily as a bridge from applications that already use OLE DB. Use a native Oracle .NET data provider where practical. ODBC Finally, the ODBC .NET data provider can connect to an Oracle database. ... alternatives are discussed in the following subsections. Native Oracle The Microsoft Oracle .NET data provider accesses an Oracle database using the Oracle Call Interface (OCI) through Oracle ... You can connect to an Oracle database using either the Oracle .NET data provider or the OLE DB .NET data provider. The sample code contains two event handlers: Oracle Button.Click Creates and...
... Available SQL Servers and Databases Users sometimes need to connect to various databases. An example of this is a large company that might keep its site information in separate databases in ... SQLServer Connect Connection string that connects you to the SQL Server, allowing you access to the databases LoginSecure Flag that specifies that you want to connect to the SQL Server using a trusted ... create a dialog box to let the user pick the SQL Server and database and then create a new connection based on the selections. Within adatabase application, it is necessary to allow users to...
... PostgreSQLGuttman A. : 'R-trees: A Dynamic Index Structure for Spatial Searching', Proc ACM SIGMOD Int.Conf. on Management of Data, 1984Spatial RelationshipsDistance to various pubsTopic ThreeCombination ... pubsTopic ThreeCombination of all the previous dataSpatial RelationshipsAdjacency: All the lots which share an edgeWhy put spatial data ina RDBMS? • Spatial data is usually related to other types ... source spatialdatabases available• commercial ones are very expensive• Aren’t any open source spatial functions• extremely difficult to properly code• building block for any spatial project•...
... laboratory you will:Examine the components that form an abstract datatype (ADT)Implement an ADT using a C+ + classCreate a function that displays a logbook in calendarformInvestigate how to ... jumped at the chance. He saw laboratories as a way ofinvolving students as active, creative partners in the learning process. By making thelaboratories the focal point of the course, he sought to ... wish to use them in the place of standard labs.• Two labs have been added: “Lab 8: Copying and Comparing ADTs”—which coversdata structure assignment and comparison operators, and copy and convertconstructors—and...
... Fe3O4(magnetite), animportant member of spinel-type ferrite, has already beenapplied in catalysis, ceramics, energy storage, magneticdata storage, ferrofluids clinical diagnosis, and medicinetransporters ... production of a- Fe2O3(hematite) and c- Fe2O3(maghemite). Acicular a- FeOOH particles areused in the production of maghemite and in various aca-demic investigations in colloid and surface chemistry. ... were of analytical grade and purchased from localcommercial sources. All chemicals were used as received.Distilled water was used in all the experiments. Ina typicalsynthesis, 1.296 g FeCl3Á...
... it attempt to be complete in anyway. At best, it's a beginning.He takes a contemporary approach emphasizing the challenges today's managers need to handle ina globalized and at ... do today by creating new processes and products.An MNC manager in India has a signicant opportunity to be innovative and add new adaptations to the global processes, such that those processes ... present; to my managers in the past and present; to the organizations I worked for, and to my teachers in academics and in sports for teaching me all that I know today.Finally, thanks to James...
... 5¢-GTTGGCCCCATGGCCGGACCCCAT-3 4752±4729Probe C SYM2143 a 5¢-cgggatccGAAGCCCTTCGCCACCCCCACG-3¢ 10201±10222BSSL05 5¢-GGCCTCGTGGTGGGAGGCCCTT-3¢ 10336±10357 a The ®rst 11 bases in primer SYM2677 and ... 5¢-ACCAAC TTCCTGCGCTACTGGACCCTC-3¢;BSSL14:5¢-GGAGCCCCTGGGGTCCCACTCTTGT-3¢). The P CR started withadenaturationstep(96 C, 5 min) followed by 35 cycleswith denaturation (96 C, 45 s) and annealing/elongation(68 ... M94579.Probe Primer sequence PositionsProbe A BSSL03 5¢-GACCCCAACATGGGCGACTC-3¢ 10621±10640BSSL04 5¢-GTCACTGTGGGCAGCGCCAG-3¢ 10793±10774Probe BSYM2677 a 5¢-tctagaagcttGGCGCCGTGTACACAGAAGGTGGG-3¢ 4047±4069SYM2133:...