SQL : postgresql return 0 if returned value is null

SQL : postgresql return 0 if returned value is null

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Databases: Not returning 0 if value is NULL (2 Solutions!!)
Databases: Not returning 0 if value is NULL (2 Solutions!!)
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Databases: Not returning 0 if value is NULL (2 Solutions!!)

Databases: Not returning 0 if value is NULL (2 Solutions!!)
Postgres Conditionals: How to Use Nullif

Postgres Conditionals: How to Use Nullif
SQL : Return 0 in GROUP BY when COUNT(*) is NULL

SQL : Return 0 in GROUP BY when COUNT(*) is NULL
SQL : How to write an SQL query that returns count = 0 when no records found in group

SQL : How to write an SQL query that returns count = 0 when no records found in group
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Handling NaN Values in Postgres: How to Sum as Zero
Databases: SQL Query, get count() to output null instead of 0 (2 Solutions!!)

Databases: SQL Query, get count() to output null instead of 0 (2 Solutions!!)
Treat Null as a Known Value

Treat Null as a Known Value
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Postgres Conditionals: How to Use Case
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How to Properly Select Empty Paths in Postgres LTREE
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SQL : SQL UPDATE statement - returns success but 0 rows affected
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SQL : IFNULL() Equivalent in PostgreSQL
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Database Systems - NULL Values
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Wordpress: Updating with $qpdb-＞query() always returns 0 rows affected (2 Solutions!!)
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SDU Tools 119 Convert Blank Strings or Zeros to NULL in T-SQL
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SQL Tutorial : Finding and Resolving Missing Data
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Databases: Postgresql INSERT triggers "0 row affected" workaround
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PostgreSQL - How to use the Boolean Data Type. Did you know there are 5 Ways to say TRUE or FALSE?
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Difference in JOIN Results | SQL Basic Interview Question