Oracle replace null with zero

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Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. So, now all the null values are replaced with No Name in the Name column. This will return NULL if exp1 evaluates to 0, otherwise it will return the value of exp1. When you're inserting this value into a table, make sure the column you are inserting it into is nullable.

Reviews: 3. Toggle navigation W ebsitekeywordchecker. Home Extension Country Pricing. Keyword Research: People who searched sql replace null with 0 also searched. If the value of the field or column is not null then it will return the original value but in case it finds any one of the row in the column having a null value then it replaces that particular value with whatever value we have given in the second parameter of the function. It then returns the modified result set as output.

In this scenario we will try to replace the age of the employees which are null with zero so that the null values in age column of the employee table are replaced with the number zero. The NVL function will only be applied on the age column. As we can see in the age column there is a null value. So let us now write a query to replace the null value with number 0. As we can see in the above screen shot that the null value in age column has been replaced with number zero.

In this scenario we are going to replace a null value of a field with a string. In this scenario we are going to replace the null value of one field with value from another field or column. In this example we are going to find the distinct cities present in the city column of the table employee. We are going to use NVL because we have a null value present in the city column and we are going to replace that using NVL function as distinct function will return null also as a unique value.