Oracle - Differences between CHAR and NCHAR in Oracle

Home > Oracle

Differences between CHAR and NCHAR in Oracle

Q

What Are the Differences between CHAR and NCHAR in Oracle?

✍: FYIcenter.com

A

Both CHAR and NCHAR are fixed length character data types. But they have the following differences:

CHAR's size is specified in bytes by default.
NCHAR's size is specified in characters by default. A character could be 1 byte to 4 bytes long depending on the character set used.
NCHAR stores characters in Unicode.

⇒Understanding SQL Language Basics for Oracle

⇒⇒Oracle Database Tutorials

2020-04-25, 728👍, 0💬

Oracle Built-in Data Types in Oracle
What Are the Oracle Built-in Data Types in Oracle? There are 20 Oracle built-in data types, divided into 6 groups: Character Datatypes - CHAR, NCHAR, NVARCHAR2, VARCHAR2 Number Datatypes - NUMBER, BINARY_FLOAT, BINARY_DOUBLE Long and Row Datatypes - LONG, LONG RAW, RAW Datetime Datatypes - DATE, TIM... 2020-05-29, 859👍, 0💬

Categories of Data Types in Oracle
How Many Categories of Data Types in Oracle? Oracles supports the following categories of data types: Oracle Built-in Datatypes. ANSI, DB2, and SQL/DS Datatypes. User-Defined Types. Oracle-Supplied Types. ⇒Understanding SQL Language Basics for Oracle ⇒⇒Oracle Database Tutorials 2020-05-29, 776👍, 0💬

Differences between NUMBER and BINARY_FLOAT in Oracle
What Are the Differences between NUMBER and BINARY_FLOAT in Oracle? The main differences between NUMBER and BINARY_FLOAT are: NUMBER stores values as fixed-point numbers using 1 to 22 bytes. BINARY_FLOAT stores values as single precision floating-point numbers. ⇒Understanding SQL Language Basics f... 2020-04-25, 763👍, 0💬

Differences between CHAR and NCHAR in Oracle
What Are the Differences between CHAR and NCHAR in Oracle? Both CHAR and NCHAR are fixed length character data types. But they have the following differences: CHAR's size is specified in bytes by default. NCHAR's size is specified in characters by default. A character could be 1 byte to 4 bytes long... 2020-04-25, 729👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.