Save_PostgreSQL_Result_to_File.sql

Author: Mateen0007

sql-queries-8/Save_PostgreSQL_Result_to_File/Save_PostgreSQL_Result_to_File.sql

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+-- Using \o Command
+
+\o sql_result.txt        --Specifying file path
+SELECT * from Student;   --Storing Student record to the file
+\o                       --Resetting the output back to the terminal
+
+
+
+-- Using Command Line Redirection
+    -- exporting all rows from the Course table in the university database
+  psql -d university -c "SELECT * from Course;" > /var/lib/postgresql/course_data.txt  
+
+
+
+
+-- Using COPY TO SQL
+  --exporting the content of the Department to the res.csv file
+COPY Department TO '/var/lib/postgresql/res.csv' DELIMITER ',' CSV HEADER;
+
+
+
+
+