What is Database Concatenation?

Concatenation, in the Context of Databases, refers to the becoming a member of collectively or Greater matters into a massive one. In Database parlance, the matters being Joined are generally two Table Fields which can be from the equal or unique tables.

What Does Concatenation Mean?

The maximum common use of concatenation is to join database fields that are saved one at a time but usually operated upon together. Take for example to fields named ‘FIRST NAME’ and ‘SURNAME’. These fields are every so often as stored separate fields, however when retrieving them the Viewer will generally want to see both names.

Concatenation is executed via use of a special concatenation Operator in a SQL Query. For Instance, Oracle Database Makes use ofto enroll in two Strings. A sample SQL question to acquire this is:

SELECT first_namethat in this situation we've also included a area (enclosed by using ‘ ‘) among the 2 names. This is really to decorate the legibility of the Final Output. If we simply joined the 2 fields with out a area in among the query could be:

SELECT first_name