Given input {4371, 1323, 6173, 4199, 4344, 9679, 1989} and a hash function h(x) = x(mod 10), show...

SQL databases store data and relationships in tables. Changes in the these tables may be needed from time to time to cater to new requirements. The structure of all SQL tables can be modified, with some being easier than others. This lesson will analyze how the structure of SQL tables can be modified.

A database administrator (DBA) is responsible for completing tasks related to data security, support services, and access to the database within an organization. Learn about the definition and purpose of database administration in maintaining secured data.

Computer management refers to the tools and maintenance involved with computer hardware and software. Learn to define computer management and the tasks involved, including backing up files, using antivirus software, installing software updates, using disk tools, and physical cleaning to maintain a smooth-running computer.

Learn about the meaning of flat file and what a file is in a database. Explore the flat file system, flat file database, and read about flat file uses and examples.

Learn the different types and specific examples of computer viruses. Understand how to protect a system from common computer viruses.

The concepts and structures of databases determine how it is organized by a computer program. Learn about the elements that make up a database, understand the definition of data and how it differs from information, and learn about database tables and DBMS software.

A database is comprised of tables - which contain fields - that store discrete information. Examine real-world tables to learn how database fields function in order to improve understanding of database structure and management.

Understand the history of technology and a timeline of technology advancement. Learn about the evolution of technology through the exploration of historical eras.

Find out what a record is in a database and learn the meaning of record data. View examples of record data to become familiar with different types of data.

Parallel computing refers to the simultaneous execution of several applications or computations. Explore performance characteristics of parallel computing and discover practical applications and examples of parallel computing.

Learn about information processing. Learn what the theory of information processing is in psychology, identify the stages of this approach, and see examples.

Find out what the binary system is. Study the binary numbers definition, examine a binary number example, and discover what the binary system is used for.

Data comes in a variety of forms. Learn different types of data, including analog vs. digital, character strings, numeric, boolean, date and time, and multimedia.

Databases manage large volumes of complex data for organizations, and there are different types of databases to satisfy diverse needs. Explore the defining characteristics of an object-oriented database (OODB), its advantages, and its disadvantages.

What are databases? Learn about the different types of databases and what database management systems are. Also learn about database software and challenges.

SQL commands used to create or use database structures are known as data definition language (DDL). Explore the usage of the CREATE, DROP, and ALTER commands, and the numerous functions of DDL.