May 17, 2026, 11:40 PM

inbox/DataBase/PostgreSQL/backup/copy.sql

@@ -0,0 +1,15 @@
+-- export specific column data to text file:
+
+copy EMPLOYEE( EMP_NAME,EMP_ID) to '/tmp/emp.txt';
+
+-- export complete table data to text file:
+
+copy EMPLOYEE to '/tmp/emp.txt';
+
+-- export table data to csv file:
+
+copy EMPLOYEE to '/tmp/emp.csv' with csv headers;
+
+-- export specific query output to csv file:
+
+copy ( select ename,depname from emp where depname='HR') to '/tmp/emp.csv' with csv headers;