Trigger_Insert or updated before the decimal block update value_oracle 11G

Hi guys,.

can someone help me please. How to update or insert before trigger of writing to block the decimal value.

Scenario:
for example the user entered value 1.22
system should not allow to insert the value.

If allows the user to enter in the whole number system only need another block.


Thank you
Sylvie has

Why write a trigger if it can be managed by a check constraint?

See below how to do.

drop table test_table;

create table test_Table (col number);

alter table test_Table add constraint chk_col check( ((col - floor(col)) >= 1) or ((col - floor(col)) = 0));

insert into test_table values (1)
/
insert into test_table values (1.1)
/
insert into test_table values (12)
/
insert into test_table values (1.01)
/

--Output
 drop table test_table succeeded.
create table succeeded.
 alter table test_Table succeeded.
1 rows inserted

Error starting at line 9 in command:
insert into test_table values (1.1)
Error report:
SQL Error: ORA-02290: check constraint (PURVESH.CHK_COL) violated
02290. 00000 -  "check constraint (%s.%s) violated"
*Cause:    The values being inserted do not satisfy the named check

*Action:   do not insert values that violate the constraint.
1 rows inserted

Error starting at line 13 in command:
insert into test_table values (1.01)
Error report:
SQL Error: ORA-02290: check constraint (PURVESH.CHK_COL) violated
02290. 00000 -  "check constraint (%s.%s) violated"
*Cause:    The values being inserted do not satisfy the named check

*Action:   do not insert values that violate the constraint.

I hope that this aligns with your condition.

Kind regards
P.

Tags: Database

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