default length unit:
characters
BigQuery
Db2 (LUW)
Derby
H2
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
SQLite
2007
2009
2011
2013
2015
2017
2019
2021
2023
⊘ 2008R2 - 2022
✓ 8.3 - 17
⚠ 11gR1 - 23.9
a
✓ 8.0.11 - 9.3.0
⊘ 5.0 - 5.7
✓ 5.1 - 12.0.2
⊘ 1.4.192 - 2.3.232
⊘ 10.15.1.3 - 10.17.1.0
⚠ 11.1 - 12.1.2
b
⚠ 10.5
⊘ 9.7
✓ 2.0
16 bit units for
national types
, depends on
nls_length_semantics
for the other types
Characters
for
national types
, depends on
nls_string_units
for the other types