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Postgresql replace null with empty string

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PostgreSQL has different kinds of functions which remove or replace special characters with new string values. So what should you do, the answer is to remove or replace these characters according to what you want. Usually, this kind of information with special characters should not exist in the database because it is meaningless or has no value with that information. Maybe this kind of unwanted character gets into your table due to a data conversion problem when Postgresql is unable to understand the information. These special characters can be and sometimes you keep the special character with information purposely.īut sometimes you get these special characters mistakenly or while importing data from other sources into PostgreSQL. Sometimes your database contains a piece of information with special characters in a table.

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How to Replace Special Characters in Postgres Translate() to Replace Special Characters in Postgres.REGEXP_REPLACE to Replace Special Characters in Postgres.Replace() Function to Replace Special Characters in Postgres.

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