Building a conditional check constraint The 2019 Stack Overflow Developer Survey Results Are InCannot drop nonexistent constraint and cannot create it eitherReusing index in constraintsCannot set MEMORY_TARGET for Oracle 11.2unique constraint violatedHow to get the second string in the ORA-02296 error to show something meaningfulCheck constraint on nullable data, how to approach?Postgres: How is SET NOT NULL “more efficient” than CHECK constraintPartially-Unique Check ConstraintsCheck all values in a set with PostgreSQLtruncate table with foreign keys
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Building a conditional check constraint
The 2019 Stack Overflow Developer Survey Results Are InCannot drop nonexistent constraint and cannot create it eitherReusing index in constraintsCannot set MEMORY_TARGET for Oracle 11.2unique constraint violatedHow to get the second string in the ORA-02296 error to show something meaningfulCheck constraint on nullable data, how to approach?Postgres: How is SET NOT NULL “more efficient” than CHECK constraintPartially-Unique Check ConstraintsCheck all values in a set with PostgreSQLtruncate table with foreign keys
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
I'm trying to build a conditional check constraint for my table TBL_AFIL, which has two fields:
- Fec_Renun DATE
- flg_afil INTEGER
Constraint: IF flg_afil=1 THEN Fec_Renun can not be NULL.
ALTER TABLE TBL_AFIL
ADD CONSTRAINT FecRenun_Not_Null CHECK (Fec_Renun IS not NULL and flg_afil =1) ;
But it throws this error:
ORA-02293: cannot validate (FecRenun_Not_Null) - check constraint violated
But when I run this query, it returns 0 rows.
SELECT * FROM TBL_AFIL
WHERE FEC_RENUN IS NULL
AND FLG_AFIL =1;
I know that to this constraint I could add ENABLE NOVALIDATE, but I'm intrigued why can't build this constraint.
oracle check-constraints
asked 9 hours ago
DelmonteDelmonte
3894819
add a comment |
I'm trying to build a conditional check constraint for my table TBL_AFIL, which has two fields:
- Fec_Renun DATE
- flg_afil INTEGER
Constraint: IF flg_afil=1 THEN Fec_Renun can not be NULL.
ALTER TABLE TBL_AFIL
ADD CONSTRAINT FecRenun_Not_Null CHECK (Fec_Renun IS not NULL and flg_afil =1) ;
But it throws this error:
ORA-02293: cannot validate (FecRenun_Not_Null) - check constraint violated
But when I run this query, it returns 0 rows.
SELECT * FROM TBL_AFIL
WHERE FEC_RENUN IS NULL
AND FLG_AFIL =1;
I know that to this constraint I could add ENABLE NOVALIDATE, but I'm intrigued why can't build this constraint.
oracle check-constraints
asked 9 hours ago
DelmonteDelmonte
3894819
add a comment |
I'm trying to build a conditional check constraint for my table TBL_AFIL, which has two fields:
- Fec_Renun DATE
- flg_afil INTEGER
Constraint: IF flg_afil=1 THEN Fec_Renun can not be NULL.
ALTER TABLE TBL_AFIL
ADD CONSTRAINT FecRenun_Not_Null CHECK (Fec_Renun IS not NULL and flg_afil =1) ;
But it throws this error:
ORA-02293: cannot validate (FecRenun_Not_Null) - check constraint violated
But when I run this query, it returns 0 rows.
SELECT * FROM TBL_AFIL
WHERE FEC_RENUN IS NULL
AND FLG_AFIL =1;
I know that to this constraint I could add ENABLE NOVALIDATE, but I'm intrigued why can't build this constraint.
oracle check-constraints
asked 9 hours ago
DelmonteDelmonte
3894819
I'm trying to build a conditional check constraint for my table TBL_AFIL, which has two fields:
- Fec_Renun DATE
- flg_afil INTEGER
Constraint: IF flg_afil=1 THEN Fec_Renun can not be NULL.
ALTER TABLE TBL_AFIL
ADD CONSTRAINT FecRenun_Not_Null CHECK (Fec_Renun IS not NULL and flg_afil =1) ;
But it throws this error:
ORA-02293: cannot validate (FecRenun_Not_Null) - check constraint violated
But when I run this query, it returns 0 rows.
SELECT * FROM TBL_AFIL
WHERE FEC_RENUN IS NULL
AND FLG_AFIL =1;
I know that to this constraint I could add ENABLE NOVALIDATE, but I'm intrigued why can't build this constraint.
oracle check-constraints
oracle check-constraints
asked 9 hours ago
DelmonteDelmonte
3894819
asked 9 hours ago
DelmonteDelmonte
3894819
asked 9 hours ago
DelmonteDelmonte
3894819
asked 9 hours ago
DelmonteDelmonte
3894819
asked 9 hours ago
DelmonteDelmonte
3894819
3894819
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
CHECK (NOT (flag_afil = 1 AND fec_renum IS NULL))
answered 8 hours ago
ypercubeᵀᴹypercubeᵀᴹ
78.4k11137221
Awesome. Thanks.
– Delmonte
8 hours ago
Equivalently,CHECK (flag_afil != 1 OR fec_renum IS NOT NULL))(from De Morgan's Laws), or since the flag can only have one of two values,CHECK (flag_afil = 0 OR fec_renum IS NOT NULL)). I find the last to be the most intuitive.
– jpmc26
1 hour ago
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
CHECK (NOT (flag_afil = 1 AND fec_renum IS NULL))
answered 8 hours ago
ypercubeᵀᴹypercubeᵀᴹ
78.4k11137221
Awesome. Thanks.
– Delmonte
8 hours ago
Equivalently,CHECK (flag_afil != 1 OR fec_renum IS NOT NULL))(from De Morgan's Laws), or since the flag can only have one of two values,CHECK (flag_afil = 0 OR fec_renum IS NOT NULL)). I find the last to be the most intuitive.
– jpmc26
1 hour ago
add a comment |
CHECK (NOT (flag_afil = 1 AND fec_renum IS NULL))
answered 8 hours ago
ypercubeᵀᴹypercubeᵀᴹ
78.4k11137221
Awesome. Thanks.
– Delmonte
8 hours ago
Equivalently,CHECK (flag_afil != 1 OR fec_renum IS NOT NULL))(from De Morgan's Laws), or since the flag can only have one of two values,CHECK (flag_afil = 0 OR fec_renum IS NOT NULL)). I find the last to be the most intuitive.
– jpmc26
1 hour ago
add a comment |
CHECK (NOT (flag_afil = 1 AND fec_renum IS NULL))
answered 8 hours ago
ypercubeᵀᴹypercubeᵀᴹ
78.4k11137221
CHECK (NOT (flag_afil = 1 AND fec_renum IS NULL))
answered 8 hours ago
ypercubeᵀᴹypercubeᵀᴹ
78.4k11137221
answered 8 hours ago
ypercubeᵀᴹypercubeᵀᴹ
78.4k11137221
answered 8 hours ago
ypercubeᵀᴹypercubeᵀᴹ
78.4k11137221
answered 8 hours ago
ypercubeᵀᴹypercubeᵀᴹ
78.4k11137221
78.4k11137221
Awesome. Thanks.
– Delmonte
8 hours ago
Equivalently,CHECK (flag_afil != 1 OR fec_renum IS NOT NULL))(from De Morgan's Laws), or since the flag can only have one of two values,CHECK (flag_afil = 0 OR fec_renum IS NOT NULL)). I find the last to be the most intuitive.
– jpmc26
1 hour ago
add a comment |
Awesome. Thanks.
– Delmonte
8 hours ago
Equivalently,CHECK (flag_afil != 1 OR fec_renum IS NOT NULL))(from De Morgan's Laws), or since the flag can only have one of two values,CHECK (flag_afil = 0 OR fec_renum IS NOT NULL)). I find the last to be the most intuitive.
– jpmc26
1 hour ago
Awesome. Thanks.
– Delmonte
8 hours ago
Awesome. Thanks.
– Delmonte
8 hours ago
Equivalently,
CHECK (flag_afil != 1 OR fec_renum IS NOT NULL)) (from De Morgan's Laws), or since the flag can only have one of two values, CHECK (flag_afil = 0 OR fec_renum IS NOT NULL)). I find the last to be the most intuitive.– jpmc26
1 hour ago
Equivalently,
CHECK (flag_afil != 1 OR fec_renum IS NOT NULL)) (from De Morgan's Laws), or since the flag can only have one of two values, CHECK (flag_afil = 0 OR fec_renum IS NOT NULL)). I find the last to be the most intuitive.– jpmc26
1 hour ago
add a comment |
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