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In database program

What is the exact code for sorting of an object..

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Which program? what?

you need to provide more info.

Posted on May 10, 2008

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Posted on Jan 02, 2017

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How to fix error in database: microsoft office access has detected corruption in this file


System restore will not restore any data files, only system files.
Databases normally need periodic sorting as their indexes get corrupted. I don't use any microripoffsoft stuff, only Open Office and iMac. Try reindexing your file with Open Office

Nov 01, 2015 | Microsoft Office 2003 Basic Edition...

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N student details and sort the stures as per total marks ,by creating a structure to store the roll number,name,marks1,marks2,marks3


You need to create a database with six fields: Roll Number, Name, Marks1, Marks 2, Marks 3 and MarksT (sum of marks1+2+3)

Sort database on MarksT in decending order.

Easily one in Excel - other programs will be similar

Mar 09, 2015 | The Computers & Internet

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Verify database


If your database is located on a mapped drive, then check your drive letter for the mapped drive. If it is "X:" for example, then your software will need to be pointing to the X: drive within the SetDBStr.exe setup tool.

That tool can be accessed by exploring your C: drive as follows:
c:\program files\asureid\program

You should run SetDBStr.exe and specify "Custom Configuration" (second choice) and then browse to the database on your mapped drive. Hope that helps!

May 18, 2009 | Synercard Asure ID Enterprise (932011001)...

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How can i connect the data base during my project


That seems fine.

I cant assume your level of confidence in programming, however, following are some simple steps you can follow to achieve (for complex implementations, much more time and details will be needed, i can help u with them as well)

1. Create a database in Access ( i assume u r using Access 2003)
2. Create a System DSN (if aren't clear, how to create then goto administrative tools under control panel and you'll find Data Sources (ODBC), here u need to create System level DSN for Access driver (may be Jet 4.0+)
3. In java, you need to import java core libraries for sql (javax.sql package specially)
4. you are almost done, just google for database code in java, simple code will be around 5-10 lines (just for your reference, search with these keywords, ClassName(""), jdbc:odbc:YourDSN)
5. Open a connection using Connection object
6. Fetch the records (select query) using Recordset object
7. You're done.

thanks
Kuldeep

Mar 13, 2009 | HP Computers & Internet

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How to write jdbc connections


http://www.jdbc-tutorial.com/

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welcome_title_image.gif Java JDBC Tutorial Java JDBC Tutorial
The JDBC ( Java Database Connectivity) API defines interfaces and classes for writing database applications in Java by making database connections. Using JDBC you can send SQL, PL/SQL statements to almost any relational database. JDBC is a Java API for executing SQL statements and supports basic SQL functionality. It provides RDBMS access by allowing you to embed SQL inside Java code. Because Java can run on a thin client, applets embedded in Web pages can contain downloadable JDBC code to enable remote database access. You will learn how to create a table, insert values into it, query the table, retrieve results, and update the table with the help of a JDBC Program example.


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Although JDBC was designed specifically to provide a Java interface to relational databases, you may find that you need to write Java code to access non-relational databases as well.
JDBC Architecture jdbc.jpg Java application calls the JDBC library. JDBC loads a driver which talks to the database. We can change database engines without changing database code.
JDBC Basics - Java Database Connectivity Steps Before you can create a java jdbc connection to the database, you must first import the
java.sql package.
import java.sql.*; The star ( * ) indicates that all of the classes in the package java.sql are to be imported.
1. Loading a database driver,
In this step of the jdbc connection process, we load the driver class by calling Class.forName() with the Driver class name as an argument. Once loaded, the Driver class creates an instance of itself. A client can connect to Database Server through JDBC Driver. Since most of the Database servers support ODBC driver therefore JDBC-ODBC Bridge driver is commonly used.
The return type of the Class.forName (String ClassName) method is “Class”. Class is a class in
java.lang package.
try { Class.forName(”sun.jdbc.odbc.JdbcOdbcDriver”); //Or any other driver } catch(Exception x){ System.out.println( “Unable to load the driver class!” ); } 2. Creating a oracle jdbc Connection

The JDBC DriverManager class defines objects which can connect Java applications to a JDBC driver. DriverManager is considered the backbone of JDBC architecture. DriverManager class manages the JDBC drivers that are installed on the system. Its getConnection() method is used to establish a connection to a database. It uses a username, password, and a jdbc url to establish a connection to the database and returns a connection object. A jdbc Connection represents a session/connection with a specific database. Within the context of a Connection, SQL, PL/SQL statements are executed and results are returned. An application can have one or more connections with a single database, or it can have many connections with different databases. A Connection object provides metadata i.e. information about the database, tables, and fields. It also contains methods to deal with transactions.
JDBC URL Syntax:: jdbc: <subprotocol>: <subname> JDBC URL Example:: jdbc: <subprotocol>: <subname>•Each driver

Feb 01, 2009 | Microsoft Windows XP Home Edition

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Storage of MS-Access 2007


(please refer for www.office.microsoft.com for further information)
Database specifications Attribute Maximum Access database (.accdb) file size 2 gigabytes, minus the space needed for system objects Note NOTE: Although the maximum size for a single database file is 2GB, you can work around this limitation by using a split database. A front-end database file can point to thousands of back-end database files, each of which could be as large as 2GB. For more information, see the topic, Split a database.
Number of objects in a database 32,768 Number of modules (including forms and reports that have the HasModule property set to True) 1,000 Number of characters in an object name 64 Number of characters in a password 20 Number of characters in a user name or group name 20 Number of concurrent users 255 Table Attribute Maximum Number of characters in a table name 64 Number of characters in a field name 64 Number of fields in a table 255 Number of open tables 2048; the actual number might be smaller because of tables opened internally by Access Table size 2 gigabyte minus the space needed for the system objects Number of characters in a Text field 255 Number of characters in a Memo field 65,535 when entering data through the user interface;
2 gigabytes of character storage when entering data programmatically Size of an OLE Object field 1 gigabyte Number of indexes in a table 32 Number of fields in an index 10 Number of characters in a validation message 255 Number of characters in a validation rule 2,048 Number of characters in a table or field description 255 Number of characters in a record (excluding Memo and OLE Object fields) when the UnicodeCompression property of the fields is set to Yes 4,000 Number of characters in a field property setting 255 Query Attribute Maximum Number of enforced relationships 32 per table, minus the number of indexes that are on the table for fields or combinations of fields that are not involved in relationships* Number of tables in a query 32* Number of joins in a query 16* Number of fields in a recordset 255 Recordset size 1 gigabyte Sort limit 255 characters in one or more fields Number of levels of nested queries 50* Number of characters in a cell in the query design grid 1,024 Number of characters for a parameter in a parameter query 255 Number of AND operators in a WHERE or HAVING clause 99* Number of characters in an SQL statement Approximately 64,000* *Maximum values might be lower if the query includes multivalued lookup fields.
Form and report Attribute Maximum Number of characters in a label 2,048 Number of characters in a text box 65,535 Form or report width 22 in. (55.87 cm) Section height 22 in. (55.87 cm) Height of all sections plus section headers (in Design view) 200 in. (508 cm) Number of levels of nested forms or reports 7 Number of fields or expressions that you can sort or group on in a report 10 Number of headers and footers in a report 1 report header/footer;
1 page header/footer;
10 group headers/footers Number of printed pages in a report 65,536 Number of controls and sections that you can add over the lifetime of the form or report 754 Number of characters in an SQL statement that serves as the Recordsource or Rowsource property of a form, report, or control (both .accdb and .adp) 32,750 Macro Attribute Maximum Number of actions in a macro 999 Number of characters in a condition 255 Number of characters in a comment 255 Number of characters in an action argument 255 default.aspx?assetid=za100776681033 Top of Page
Project specifications The following list of tables is specific to Office Access 2007 projects:
General Attribute Maximum Number of objects in an Access project (.adp) 32,768 Number of modules (including forms and reports that have the HasModule property set to True) 1,000 Number of characters in an object name 64 Number of columns in a table 250 (Microsoft SQL Server 6.5) 1024 (Microsoft SQL Server 7.0, 2000 and 2005)
Microsoft SQL Server database Microsoft SQL Server maximum capacity specifications are described in the SQL Server documentation. Form and report Attribute Maximum Number of characters in a label 2,048 Number of characters in a text box 65,535 Form or report width 22 in. (55.87 cm) Section height 22 in. (55.87 cm) Height of all sections plus section headers (in Design view) 200 in. (508 cm) Number of levels of nested forms or reports 7 Number of fields or expressions that you can sort or group on in a report 10 Number of headers and footers in a report 1 report header/footer;
1 page header/footer;
10 group headers/footers Number of printed pages in a report 65,536 Number of controls and sections you can add over the lifetime of the form or report 754 Number of characters in an SQL statement that serves as the Recordsource or Rowsource property of a form, report, or control (both .accdb and .adp) 32,750 Macro Attribute Maximum Number of actions in a macro 999 Number of characters in a condition 255 Number of characters in a comment 255 Number of characters in an action argument 255
Zulfikar Ali

Jan 16, 2009 | Microsoft Computers & Internet

1 Answer

How to connect my database to my project?


use Excel library at following location.

D:\Program Files\Microsoft Office\Office12\EXCEL.EXE
Microsoft Excel 12.0 Object Library

Jan 05, 2009 | Microsoft Office Standard for PC

1 Answer

MS Access and ASP.net application


You probably need to be inserting the value of a text object (ie, a String) , not the object itself. In VB.NET, a String object is an actual, not unlike a Java String object. In "classic" VB, a String object isn't really handled by the interpreter as an object in the C# / Java sense, so it can be referred to directly without resolving the value via a method call. So attempting to insert an object reference into a database field from C# code will probably not work unless the database knows to call toSting() on the object, which I am 99.99999% sure it cannot (depends on the database-- in this case Access, and more particularly, what version you are using, and if there is any .NET framework interoperability).

Calling myString.toString() though returns a String object in C#, so using that is likely not going to work. What you may need to do is return a character array using the 'chars' and 'length' properties of the C# String object.

Finally, after all this, your problem could be a lot simpler: the value(s) you are trying to insert may not be right for the field-- check the length of the values being inserted, etc. Use .trim() to eliminate leading and trailing whitespace, for example. If you post your INSERT statement and an example of the data you are using, I may be able to tell you more. Also, you are in ASP.NET and data transfer from web containers to Access databases is notoriously bedeviled work.

Mar 07, 2008 | Computers & Internet

1 Answer

SQL Server Data Export


The best way to handle this situation is to generate a script of the database objects and then run it on the remote server before exporting the data.

Jan 23, 2008 | Computers & Internet

1 Answer

SQL Server 2000


An easy way to transfer objects (tables, user defined functions, stored procedures, etc.) is to use Enterprise Manager's "Generate SQL" feature. Use this process at your own risk. Doing it wrong could mess up your existing database.

1. In Enterprise Manager, right-click on the old database and choose "All Tasks" then "Generate SQL Script".
2. In the dialog that comes up, click "Show All" then select the checkboxes for "all stored procedures" and "all user defined functions". (You might also want to check some other boxes, depending on your exact situation.)
3. Click the "generate" button and save the script that it creates.
4. Run the script in the NEW database.

If you run the script in your OLD database, it may destroy your objects, and that would be very bad. Make sure you run the script in your NEW database. (While we're on this subject, it's a good time to mention that you should back up your database before you start this process, and you should make changes to a test system before migrating it to production.)

That should move your stored procedures and user defined functions over.

You can use a similar process to move tables, views, users, and other objects over as well.

Jan 17, 2008 | Computers & Internet

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