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1. www.postgresqltutorial.com › postgresql-tutorial › postgresql-coalescePostgreSQL COALESCE() Function - PostgreSQL Tutorial

   www.postgresqltutorial.com › postgresql-tutorial › postgresql-coalesce

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   Learn how to use the COALESCE() function in PostgreSQL to return the first non-null argument from a list of arguments. See syntax, examples and applications with table data and null values.

   • PostgreSQL ISNULL

     SQL Server supports ISNULL function that replaces NULL with...

   • Change Column’s Data Type

     PostgreSQL allows you to convert the values of a column to...

   • PostgreSQL DELETE

     PostgreSQL DELETE - PostgreSQL COALESCE() Function -...

   • Column Aliases

     Summary: In this tutorial, you will learn about PostgreSQL...

   • Nullif

     Second, the COALESCE function checks if the first argument,...

   • Is Null

     PostgreSQL offers some useful functions to handle NULL...

   • UUID

     Summary: in this tutorial, you will learn about the...

   • Array

     Summary: in this tutorial, you will learn how to work with...

2. www.postgresql.org › docs › currentPostgreSQL: Documentation: 17: 9.18. Conditional Expressions

   www.postgresql.org › docs › current

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   26 wrz 2024 · COALESCE returns the first non-null argument from a list of arguments. It is often used to substitute a default value for null values when data is retrieved for display. See examples, syntax and comparison with CASE and NULLIF.

3. www.enterprisedb.com › postgres-tutorials › how-use-coalesce-postgresqlHow to use COALESCE in PostgreSQL - EDB

   www.enterprisedb.com › postgres-tutorials › how-use-coalesce-postgresql

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   24 sty 2023 · Learn what COALESCE is and how to use it in PostgreSQL to return the first non-NULL expression in a list. See examples of COALESCE with different parameters, data types, and applications.

4. www.sqlshack.com › learn-the-postgresql-coalesce-commandLearn the PostgreSQL COALESCE command - SQL Shack

   www.sqlshack.com › learn-the-postgresql-coalesce-command

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   19 sty 2023 · The coalesce function in PostgreSQL returns the first non-null value from a list of arguments or replaces null values with a specified value. See examples of using coalesce with tables, strings, and calculated columns.

5. www.postgresql.org › docs › currentPostgreSQL: Documentation: 17: 9.21. Aggregate Functions

   www.postgresql.org › docs › current

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   26 wrz 2024 · The coalesce function can be used to substitute zero or an empty array for null when necessary.

6. www.tutorialsteacher.com › postgresql › coalesce-functionPostgreSQL COALESCE Function: Get First Non-NULL Value

   www.tutorialsteacher.com › postgresql › coalesce-function

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   Learn how to use the COALESCE () function in PostgreSQL to return the first non-null value among the specified arguments. See examples, syntax, and common data type conversion issues.

7. popsql.dev › learn-sql › postgresqlPostgreSQL Coalesce: How to Use - PopSQL

   popsql.dev › learn-sql › postgresql

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   Learn how to use the COALESCE function in PostgreSQL to handle null values and provide default values when needed, ensuring your SQL queries return the desired results.