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Tag: data types

Data Types are programming terminology to explain what type of data you are looking at or storing.

What is the difference between CHAR and VARCHAR2 in SQL?

Posted on February 23, 2023March 12, 2023 By admin

In SQL, both CHAR and VARCHAR2 are character data types, but they have some differences in terms of their storage and usage. CHAR: VARCHAR2: Here’s an example to illustrate the difference: In the char_test table, the name and address columns are both defined as CHAR, with fixed lengths of 10 and 20 characters, respectively. If…

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