Update and rename postgres-check.sh to test-db-connect.sh

Author: ykxvqze

sql-queries-10/checking-database-connectivity/postgres-check.sh renamed to sql-queries-10/checking-database-connectivity/test-db-connect.sh

@@ -3,7 +3,7 @@
 # PostgreSQL Database Connectivity Check Script
 
 # Load environment variables
-source .env
+source postgresql.env
 
 echo "Testing PostgreSQL connectivity..."
 
@@ -14,4 +14,4 @@ if [ $? -eq 0 ]; then
   echo "PostgreSQL: Connection successful and student table exists."
 else
   echo "PostgreSQL: Connection failed or student table does not exist."
-fi
+fi