Create PostgreSQL.sql

Author: Mateen0007

sql-queries-11/Most_Efficient_Way_to_Get_Table_Row_Count_in_SQL/PostgreSQL.sql

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+-- Analyzing the Department table 
+
+ANALYZE public.Department;
+
+
+-- Counting rows for Department table using pg_class
+
+SELECT reltuples::BIGINT AS estimate 
+FROM pg_class 
+WHERE oid = 'public.Department'::regclass;