How Do You Spell KEY COLUMN?

Pronunciation: [kˈiː kˈɒlʌm] (IPA)

The term "key column" refers to a column in a database table that is used to uniquely identify each row of data. The IPA transcription for this word is /ki ˈkɒləm/. The "k" sound at the beginning is followed by a short "i" sound, similar to "ih". The "e" in "key" is pronounced as a long "e", like "ee". The "c" in "column" has a hard "k" sound, and the "o" is short and pronounced like "ah". The final syllable has a short "u" sound before the "m".

KEY COLUMN Meaning and Definition

1. A key column refers to a primary or central column within a database table that uniquely identifies each row or record in that table. It is a field or set of fields that provide a unique identifier for each entry in a database table. The key column ensures data integrity and serves as a reference point for linking and identifying records in the table.

   The key column plays a crucial role in organizing and managing data within a database. It allows for efficient searching, sorting, and comparing of records, and serves as the basis for constructing relationships with other tables in a relational database system.

   The key column can be a single field or a combination of multiple fields, known as a composite key. It enforces a restriction on uniqueness, meaning no two records within the table can have the same key values. This helps ensure data consistency and avoids data redundancy.

   By specifying a key column, database administrators can establish relationships between tables, such as primary key-foreign key relationships, which enable retrieval and manipulation of data across multiple related tables.

   In summary, a key column is a fundamental component of a database table that provides a unique identifier for each record. It acts as a reference point, allowing for efficient data retrieval, relationships with other tables, and maintaining data integrity.

Common Misspellings for KEY COLUMN

• jey column
• mey column
• ley column
• oey column
• iey column
• kwy column
• ksy column
• kdy column
• kry column
• k4y column
• k3y column
• ket column
• keg column
• keh column
• keu column
• ke7 column
• ke6 column
• key xolumn
• key volumn
• key folumn

Etymology of KEY COLUMN

The term "key" in "key column" is derived from the concept of a "primary key" in database management systems. In database design, a primary key is a specific column or set of columns used to uniquely identify each row in a table. The primary key ensures data integrity and serves as a fundamental factor in establishing relationships between tables.

The term "column" refers to a vertical data structure in a database table. Columns hold specific data types and allow for the organization and storage of information in a structured manner.

Therefore, the term "key column" is a combination of these two concepts, describing a column that serves as a primary key in a table, uniquely identifying each record.