MicrosoftAccess is a relational database, a relational database composed of a series of tables, table and consists of a series of rows and columns, each row is a record, and each column is a field, each field has a field name, field name can not be repeated in a table. Access database saved as a file, the file extension ghd online is MDB. Access database consists of seven kinds of objects, christian louboutin discount are tables, queries, forms, reports, macros, and modules page.
Table consists of records,christian louboutins, records from the fields, tables used to store data in a database, so called data sheet. Query (Query) - queries can be indexed quickly find the desired record, filter records required fields and can connect several tables to form a new table. Form (Form) - provides a convenient form of browsing, enter and change data window. You can louis vuitton outlet also create a sub- form displays the contents of the associated table. Forms also known forms. Report (Report) - feature of the report is the data in the database subtotals, and then print it out for analysis.
Access a list of some common operations for users to choose, very convenient to use. Module (Module) - function module is similar to macros, but cheap christian louboutin finer than the operations defined macros and complex, users can write programs according to their needs. Module using VisualBasic programming. Pages - is a special connect directly to a WEB page data in the database. Through the data access page will publish data on the Internet or Intranet, and can be applied to browser data maintenance and operations.
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