varchar

Английский Язык - Английский Язык

Определение varchar в Английский Язык Английский Язык словарь

A text field of indeterminate length in a database, as opposed to the traditional fixed-length field

Be aware that varchars will in general provide slower updates but faster selects. By definition, the amount of storage they use is variable.

(SQL*Plus User's Guide and Reference)

(SQL*Plus User's Guide and Reference; search in this book)

An Oracle Corporation datatype Specifically, this datatype functions identically to the Oracle7 VARCHAR2 datatype (see definition below) However, Oracle Corporation recommends that you use VARCHAR2 instead of VARCHAR because Oracle Corporation may change the functionality of VARCHAR in the future

An Oracle Corporation datatype Specifically, this datatype functions identically to the Oracle VARCHAR2 datatype (see definition below) However, Oracle Corporation recommends that you use VARCHAR2 instead of VARCHAR because Oracle Corporation may change the functionality of VARCHAR in the future

A common method for storing haracter data It stands for variable characters Each column of data uses the exact amount of bytes needed to store the specific data

Этимология

() From the data type name, itself from variable character.