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Microsoft Access
Microsoft Access is a database management system. Part of the Microsoft Office suite, Access can be used to edit data stored in various database formats, such as SQL (multiple varieties), Oracle, Excel, XML, etc. Questions about this software and how to use it belong here.
1,050 Questions
Field size automatically fills in a certain value in new records as you add to the table.
less than (<) and greater than (>)
Difference between update and append tables in access?
Answer:
Update changes the information within the table. Append adds information to the table.
Each colunm in a database table represets a?
A column in a database represents an attribute to the entity that the table is representing.
For example, "hair color" is an attribute if your entity is "customers of a hair salon". This would go in a column of the table (entity) titled "customers" in a management system of a hair salon.
What are the general guidelines for designing tables for database?
1. Identify the Tables.
2. Determine the primary keys.
3. Determine the additional fields.
4. Determine relationships among the tables.
5. Determine data types for the fields.
6. Identify and remove any unwanted redundancy.
7. Determine a location for the database. The database you have designed will
be stored in a single file. You need to determine a location in which to store
the file.
What is a table in Microsoft Access?
it is the collection of related records about a specific subject e.g. student's table
When should we use Microsoft access?
You would use it when you want to create a database. A database is a file full of organised data. It is a structured set of records comprising a large amount of data or information, which is usually related. It can be a Manual Paper Work collection or Electronic Computer Data. A database is a collection of records organized so that data can be easily retrieved. When you want to deal with lists of data and be able to organise it and retrieve information, that is when you would use Microsoft Access or another database application.
What companies use Microsoft Access?
A lot I know that Comcast uses it in multiple way and the oregon food bank will start using it this year to track vol
To have your own message displayed when a user tries to enter data that does not meet your validation requirements in a field in Microsoft Access open the table in design view. Immediately below Validation Rule you will see 'Validation Text'. Click next to that and type in the message that you want to be displayed.
If you had made the Validation Rule >=25 you could type the following as validation text and it would appear in the message box that would appear if a figure lower than 25 was entered.
The rate per hour cannot be less than €25. Please enter a figure greater than 25.
How do you fix Microsoft Access error 2950?
According to Microsoft, this error is caused by a macro running in a database that is not trusted. You can either move the database to a trusted location, or trust the author of the database. See Related Links for the Microsoft Knowledge Base (KB) article on this issue.
Another reason why this happens is due to network permissions. The user accessing the application will need modify, read, write, and execute.
Why does your font size change when you import data from access to word?
It's one of the Microsoft product features. If you want to insert only data you have to use paste special and choose only text or data. In that way it inserts with same font which you have in word.
How to you store image in ms access database from vb.net?
using System.Data.OleDb; OleDb is used to connect the web site forms with MS Access Database using Microsoft.Jet.OLEDB.4.0 using System.IO; IO is used to create the memory stream variable that can store the binary format of the image content. C# Code to Upload Image to MS Access Database: int imageSize; string imageType; Stream imageStream; // Gets the Size of the Image imageSize = fileImgUpload.PostedFile.ContentLength; // Gets the Image Type imageType = fileImgUpload.PostedFile.ContentType; // Reads the Image stream imageStream = fileImgUpload.PostedFile.InputStream; byte[] imageContent = new byte[imageSize]; int intStatus; intStatus = imageStream.Read(imageContent, 0, imageSize); Connection string to connect the ASP.Net 2.0 web application with MS Access Database: // Access Database oledb connection string // Using Provider Microsoft.Jet.OLEDB.4.0 String connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + HttpContext.Current.Server.MapPath("App_Data/db1.mdb");
A query language will determine the possible questions that a user can ask to the system. For example, in the relational database world, SQL is the standard language used for creating queries. Several rich query languages exist for querying RDF/OWL data. These include RQL, nRQL. i.e because its will work with an ontology that requerd a specfic language
How do you replace text data with random characters?
The new released software "Replace Pioneer" can support your requirement: If you want to replace charactor 'e' to a random charactor: Open "Replace dialog"
1) enter search text: e
2) enter replace with: "".chr(ord('a')+int(rand(26)))
Click "Replace". That's ok. "search text" will be replaced by "swarch tuxt" or something else. Download address of Replace Pioneer is http://www.mind-pioneer.com Replace Pioneer experts in special tasks that regular replace tools cannot reach.
Given any input text, you can get any output text base on your own rule. Following are more examples: 1. Change all the word 'apple' to plural format unless leaded by one or 1.
2. Merge every 2 lines(or more) into one line.
3. Find out and remove all words which have 5 charactors.
4. Change first charactor of each sentence to upper case.
5. Remove all lines which do not contain words 'test' or 'start' or 'end'.
6. Do a math calcuation on every number appeared in the text.
7. Find and highlight all words not exist in another file.
8. Count the frequency of charactors a,b,c,d,...z, or ab,ac,ad,..., or any user defined format.
9. Convert a text file from any encoding(such as UNICODE) to any encoding.
10. Cut a line into many lines if the charactor number exceed 80.
11. Merge a lot of files into one file, add a title and time for each part.
12. Encrypt your source code, change all variable name to a randomized variable name.
13. Reverse all the even occuranced words: I like this software --> I ekil this erawtfos.
14. Make batch command for all files: filename --> rename filename filename.bak
15. A lot of other magic conversion ...
Access contains two open windows- an application window for Microsoft Access and a?
A database window.
The foreign key uniquely identifies a record in a table T or F?
False. A foreign key is a primary of one table that is in another table. A foreign key can be repeated, so it does not uniquely identify records in the table where it is a foreign key.
Why are databases used globally?
Computers are data processors. We talk about the computer industry as being Information Technology. Data and information are key to computing. A database is an application designed to manage data and give us information. All around the world we need data, so naturally databases are used all around the world.
