MySQL nchar
MySQL nchar define the datatype nchar that stores fixed-length character data. The data can be a string single-byte or multibyte letters, digits and symbols supported by the code set of the database locale.
Create table:
The Tutorial illustrate an example from 'MySQL nchar'. To understand and elaborate an example we create a table 'nchar' that has the required fieldnames and datatypes respectively.
mysql> CREATE TABLE nchar ( -> a int, -> b nchar(24), -> c nchar(40) -> ) -> ; Query OK, 0 rows affected (0.06 sec) |
Query for inserting data in the table:
The Query insert into is used to add the records or rows to the table 'nchar'.
mysql> insert into nchar -> values -> (1,'G','T'), -> (2,'K','S'); Query OK, 2 rows affected (0.03 sec) Records: 2 Duplicates: 0 Warnings: 0 |
Query for viewing data of the table:
mysql> select * from nchar; +------+------+------+ | a | b | c | +------+------+------+ | 1 | G | T | | 2 | K | S | +------+------+------+ 2 rows in set (0.00 sec) |
Query for describing data of the table:
The Query desc is used to show the Field, Type, Null etc property of a table nchar.
mysql> desc nchar; +-------+----------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-------+----------+------+-----+---------+-------+ | a | int(11) | YES | | NULL | | | b | char(24) | YES | | NULL | | | c | char(40) | YES | | NULL | | +-------+----------+------+-----+---------+-------+ 3 rows in set (0.01 sec) |