Question 4Compare Char and Varchar datatypes.

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Char datatypeVarchar datatypeChar datatype specifies a fixed length string.Varchar datatype specifies a variable length string.Defining a length is not required, but the default is 1.Defining a length is required.CHAR(n) ensures that all values stored in that column are of length n bytes, padding shorter values with blanks while maintaining a fixed size of n bytes.VARCHAR(n) columns have a maximum size of n bytes, storing values exactly as specified without adding blanks for shorter lengths. Exceeding n bytes results in an error message.

Char datatype	Varchar datatype
Char datatype specifies a fixed length string.	Varchar datatype specifies a variable length string.
Defining a length is not required, but the default is 1.	Defining a length is required.
CHAR(n) ensures that all values stored in that column are of length n bytes, padding shorter values with blanks while maintaining a fixed size of n bytes.	VARCHAR(n) columns have a maximum size of n bytes, storing values exactly as specified without adding blanks for shorter lengths. Exceeding n bytes results in an error message.

Simple Queries in SQL — Question 4

Question 4