Minor changes made

Author: jim-dotcom

sql-queries-10/checking-database-connectivity/mysql.env

@@ -1,5 +1,5 @@
-MYSQL_HOST="localhost" 
-MYSQL_PORT="3306" 
-MYSQL_USER="root" 
-MYSQL_PASS="MySQL!2024" 
-MYSQL_DB="University"
+MYSQL_HOST=localhost
+MYSQL_PORT=3306
+MYSQL_USER=root 
+MYSQL_PASS=MySQL2024
+MYSQL_DB=University

sql-queries-10/checking-database-connectivity/postgresql.env

@@ -1,5 +1,5 @@
-DB_HOST="localhost" 
-DB_PORT="5432" 
-DB_USER="user" 
-DB_PASS="Password!2024" 
-DB_NAME="University"
+DB_HOST=localhost
+DB_PORT=5432 
+DB_USER=user
+DB_PASS=Password2024
+DB_NAME=University