Month: December 2021

What Makes A Sequence Of Database Operations A Transaction?

In database management, a transaction is a single unit of work that may consist of one or more related operations. Transactions are often used to ensure data integrity in databases. In order to be considered a transaction, a sequence of database operations must meet the following criteria: 1. All operations in the sequence must be […]

What Is Internet Database In Dbms?

An Internet database is a database that can be accessed via the Internet. This type of database is often used to store data that can be accessed by multiple users from different locations. Internet databases can be either static or dynamic. Static databases are those that do not change often, while dynamic databases are constantly […]

What Is Extension Of Ms Access Database File?

The default Access file format is the AccDB. The . The accdb file format has many newer features, such as calculated fields and attachments. Table of contents 1. what is file extension of ms access 2010 database? 2. what is the extension of database file? 3. what is a microsoft access database file? 4. what […]

What Is Unallocated Space In Sql Server Database?

An unallocated space in a SQL Server database is a page that is not currently being used by any data. Unallocated space can be created when data is deleted from a database or when a database is created. Unallocated space is used to store new data that is inserted into a database. By right-clicking a […]

What Is Database Indexing Advantages And Disadvantages?

A database index is a data structure that improves the speed of data retrieval operations on a database table at the cost of additional writes and storage space to maintain the index data structure. Indexes are used to quickly locate data without having to search every row in a database table. The main advantage of […]

What Is Parent Child Relationship In Database?

A parent-child relationship in a database is when one table has a foreign key that references the primary key of another table. This relationship is used to describe the hierarchy of data, such as when an employee is the child of a manager. The parent table is typically the table with the primary key, while […]