You are writing a report that needs to format data being extracted from the database on the screen. All data relates to a specific object, but there are a variable amount of tables, and each table has a variable amount of columns and a variable amount of rows. The goal is to produce a display which is user friendly from a typical browser screen. For example, consider a system for a gift wishlist. The main object is a person and different categories of items are stored in separate tables (movies
There is a new project to acquire a new data feed from a vendor and add it to a database to enhance coverage for a neglected market. The data feed consists of a daily set of 6 files, one primary file with one row per main object, 4 other files which relate to the main file, and a secondary object file which is loosely related to the first. The data is in plain text. What sort of information would you expect to see in the feed specification from the vendor? List at least eight. Give the reason
Latest Answer: menu-driven ...
Latest Answer: yes what is the different between schema and database ...
Latest Answer: Relational model consists of three components: A SET OF RULES for maintaining the INTEGRITY of the database. MANIPULATIVE component consisting of a set of high-level operations which act upon and produce whole tables.A Structural component -- a set of ...
Latest Answer: As c is a programming language, T-Sql is also the same to SQLin other words T-Sql is implemetation of SQL in Microsoft SQL Server ...
Latest Answer: SQL (Transact-SQL) is a set of programming extensions from Sybase and Microsoft that add several features to the Structured Query Language (SQL) including transaction control, exception and error handling, row processing, and declared variables. Microsoft's ...
Latest Answer: no up to 3nf it is not sufficient to normilize...coz 3nf contains redundancy problem....that can be removed by BCNF...so up to BCNF it is sufficient..... ...
Latest Answer: component based Arc:The database building structure depends upon to the component such as Kernel level.Advantage:The accessing speed will be more than other component. ...
Latest Answer: data objects in a database are of the objects that are used for storing data that are of type (tables,indexes....) ...
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