Postgresql select NULL as 0

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Postgresql select NULL as 0

See the following query that uses the CASE expression to achieve the same result above. SELECT product, ( price - CASE WHEN discount IS NULL THEN 0 ... ,The NULLIF function returns a null value if argument_1 equals to argument_2 ... SELECT NULLIF (1, 1); -- return NULL SELECT NULLIF (1, 0); -- return 1 ... ,Now, should the NULL row in the table be counted as 0? Then coalesce has to be used inside the avg call. $ select coalesce(avg(coalesce(bar, 0)), 0) from foo; ... ,I am attempting to run a query using MAX() but my issue is that if the field contains a NULL value the data returns nothing. Updating the table is not an option, so ... ,I am attempting to run a query using MAX() but my issue is that if the field contains a NULL value the data returns nothing. Updating the table is not an option, so ... , select coalesce(max(column), 0) from mytable;., > ZERO). > > Can I use this function on the PostgreSQL?? > -- The equivalent function is PostgreSQL is. SELECT COALESCE(field,0)., sql SUM: change null with 0 · sql postgresql. I have a query like this: SELECT bgdepartemen.c_kodedept ...

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Postgresql select NULL as 0 相關參考資料
PostgreSQL COALESCE - PostgreSQL Tutorial

See the following query that uses the CASE expression to achieve the same result above. SELECT product, ( price - CASE WHEN discount IS NULL THEN 0 ...

https://www.postgresqltutorial

PostgreSQL NULLIF function - PostgreSQL Tutorial

The NULLIF function returns a null value if argument_1 equals to argument_2 ... SELECT NULLIF (1, 1); -- return NULL SELECT NULLIF (1, 0); -- return 1 ...

https://www.postgresqltutorial

postgresql return 0 if returned value is null - Stack Overflow

Now, should the NULL row in the table be counted as 0? Then coalesce has to be used inside the avg call. $ select coalesce(avg(coalesce(bar, 0)), 0) from foo; ...

https://stackoverflow.com

Postgresql To Return 0 when Null - Database Administrators ...

I am attempting to run a query using MAX() but my issue is that if the field contains a NULL value the data returns nothing. Updating the table is not an option, so ...

https://dba.stackexchange.com

Postgresql To Return 0 when Null - DBA Stack Exchange

I am attempting to run a query using MAX() but my issue is that if the field contains a NULL value the data returns nothing. Updating the table is not an option, so ...

https://dba.stackexchange.com

Postgresql turn null into zero - Stack Overflow

select coalesce(max(column), 0) from mytable;.

https://stackoverflow.com

Re: convert NULL into a value - PostgreSQL

> ZERO). > > Can I use this function on the PostgreSQL?? > -- The equivalent function is PostgreSQL is. SELECT COALESCE(field,0).

https://www.postgresql.org

sql SUM: change null with 0 - Stack Overflow

sql SUM: change null with 0 · sql postgresql. I have a query like this: SELECT bgdepartemen.c_kodedept ...

https://stackoverflow.com