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select rdb$get_context('SYSTEM', 'ENGINE_VERSION') as version from rdb$database;
| VERSION |
|---|
| 3.0.5 |
create table t1 ("VALUE" VARCHAR(10))
insert into t1 ("VALUE") values ('1')
1 rows affected
update t1 set "VALUE" = cast("VALUE" as integer) + 1
1 rows affected
select * from t1
| VALUE |
|---|
| 2 |