Char varchar nvarchar sql

1. char - is the SQL-92 synonym for character. Data is padded with blanks/spaces to fill the field size. Fixed length data type.
2. nchar - is the SQL-92 synonym for national char and national character. Fixed length data type.
3. varchar - is the SQL-92 synonym for character varying. Variable length data type.
4. nvarchar - is the SQL-92 synonym for national char varying and national character varying. Variable length data type.

Similar codes

4 votes357 views2 answers
Oracle unlock user
SQL
0 vote377 views1 answer
Show all sequences postgres
SQL
0 vote443 views1 answer
How to use mysql_tzinfo_to_sql on windows
SQL
-1 vote285 views1 answer
Mysql how to set update or create
SQL
0 vote353 views1 answer
Connect to nginx server mysql remotly
SQL
27 votes362 views6 answers
Sql update record
SQL
0 vote371 views1 answer
Psql initialization
SQL
0 vote341 views1 answer
Inner joint
SQL
0 vote393 views1 answer
Mysql vs sql server performance benchmark
SQL
0 vote370 views1 answer
Multiple like values for single column postgres
SQL