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What is database repository?
A repository is a collection of all data definition, data relationships and report formats, i,e; meta data of a database.
What are user views in database?
A database View is a query which shows a portion of data in the database. It can be thought of as a virtual table. An example of a view would be one in which all attributes of an employee are returned as the result without salary details. Views are often used to provide "filtered" views of a database. A view can also hide the complexity of getting the correct data when a query is sent.
What is data base catalog?
The database catalog of a database instance consists of metadata in which definitions of database objects such as base tables, views (virtual tables), synonym, value ranges, indexes, users, and user groups are stored.The SQL standard specifies a uniform means to access the catalog, called the INFORMATION_SCHEMA, but not all database follow this, even if they implement other aspects of the SQL standard. For an example of database-specific metadata access methods, see Oracle metadata.
What is the significance of the outer union operation in database queries and how does it differ from other types of joins?
The outer union operation in database queries combines the results of two queries, including all rows from both queries. This differs from other types of joins, like inner joins, which only include rows that have matching values in both tables. Outer union can help retrieve data from multiple tables even if there are no matching values, providing a more comprehensive view of the data.
Database Web Application?
A Database Web Application is a web-based system that stores, retrieves, and manages data using a database through a browser. Users can add, update, search, and view data in real time. At Vastora, database web applications are developed to be secure, scalable, and easy to use for efficient data management and business operations.
How do you delete all table in a database?
Unless you want to drop (delete) the entire database, you will must delete tables individually. To delete tables individually, execute the query "SHOW TABLES" in your database which will return a list of all table names. Iterate through that resultset and execute "DROP TABLE {$table_name}"
What object must be created first before any other types of objects are created since it is the basic unit of a database?
The first object that must be created in a database is the database itself. It serves as the foundational structure that holds all other objects, such as tables, views, and indexes. Without the database, there would be no environment to store and manage these additional objects.
In Access all the tables reports forms and queries that are created are stored in a single file called what?
It is a database. The database is more than just the table, which is what some people think, but includes all those other components too.
How do you document a database?
Two standard ways to document a database are to create a relational diagram and a data dictionary.A relational diagram will display all the tables in a database with links to joining tables utilizing the primary and foreign keys. For a more detailed description visit- http://www.utexas.edu/its/windows/database/datamodeling/dm/erintro.htmlA data dictionary is a reference guide of all the tables and fields in a database and the use of each object.
Are tables and databases the same in access?
A table is really just one part of a database. The database consists of other things like the queries and reports. In general we do specifically think of the tables as being the database as that is where the data is stored and tables are central to everything else. As there can be multiple tables and other things as part of the system the term database is used to cover them all as one or as what is called a database management system.
What are the parts of ms access environment?
The Microsoft Access environment consists of several key components: the Navigation Pane, which displays all database objects like tables, queries, forms, and reports; the Ribbon, which provides access to various tools and features organized in tabs; the Datasheet View, where users can view and edit data in tables; and the Design View, which allows for creating and modifying the structure of database objects. Additionally, there are Forms for data entry and Reports for printing and sharing data in a formatted manner.
How do you select all columns of all rows from all table?
depending on your database vendor, you should perform a loop of all tables and their columns and issue a dynamic SQL. for curr_table in all tables loop table_columns = get_columns(); dynamically execute "select table_columns from curr_table"; end loop;
What is the file used to store Microsoft Access forms and reports?
They are all in the file along with the tables and other elements, as part of the database.They are all in the file along with the tables and other elements, as part of the database.They are all in the file along with the tables and other elements, as part of the database.They are all in the file along with the tables and other elements, as part of the database.They are all in the file along with the tables and other elements, as part of the database.They are all in the file along with the tables and other elements, as part of the database.They are all in the file along with the tables and other elements, as part of the database.They are all in the file along with the tables and other elements, as part of the database.They are all in the file along with the tables and other elements, as part of the database.They are all in the file along with the tables and other elements, as part of the database.They are all in the file along with the tables and other elements, as part of the database.
What is the central location for all database objects?
Office Button
Does the navigation pane contain a list of all objects in the database?
Yes, the navigation pane in a database management system typically contains a list of all objects within the database, such as tables, queries, forms, reports, and macros. This pane allows users to easily access and manage these objects. The specific contents and layout may vary depending on the software being used, but its primary function is to provide a centralized view of the database components.
What is database repository?
A repository is a collection of all data definition, data relationships and report formats, i,e; meta data of a database.
What is the working area of MS Access?
The working area of MS Access primarily consists of several components, including the Navigation Pane, Design View, and Datasheet View. The Navigation Pane displays all database objects such as tables, queries, forms, and reports, allowing users to easily access and manage them. In Design View, users can create and modify the structure of database objects, while Datasheet View enables data entry and manipulation in a spreadsheet-like format. Overall, these areas facilitate efficient database management and data analysis.
