diff --git a/db/procedures/make_payment.sql b/db/procedures/make_payment.sql
index bc7d037..54030c8 100644
--- a/db/procedures/make_payment.sql
+++ b/db/procedures/make_payment.sql
@@ -1,3 +1,5 @@
+-- Used by tenants to make an outstanding payment
+
 CREATE OR REPLACE PROCEDURE make_payment (
 	amen_id IN amenity_payment.amenity_id%type,
 	lease_id IN lease_payment.lease_id%type,
@@ -10,12 +12,12 @@ CREATE OR REPLACE PROCEDURE make_payment (
 IS
 BEGIN
 	IF amen_id <> -1 THEN
-		INSERT INTO amenity_payment(date_paid, pay_method_id, pay_amt, payer, memo)
-		VALUES(DEFAULT, pay_method, pay_amt, payer, memo);
+		INSERT INTO amenity_payment(amenity_id, date_paid, pay_method_id, pay_amt, payer, memo)
+		VALUES(amen_id, CURRENT_TIMESTAMP, pay_method, pay_amt, payer, memo);
 		ret := 0;
 	ELSIF lease_id <> -1 THEN
-		INSERT INTO lease_payment(date_paid, pay_method_id, pay_amt, payer, memo)
-		VALUES(DEFAULT, pay_method, pay_amt, payer, memo);
+		INSERT INTO lease_payment(lease_id, date_paid, pay_method_id, pay_amt, payer, memo)
+		VALUES(lease_id, CURRENT_TIMESTAMP, pay_method, pay_amt, payer, memo);
 		ret := 0;
 	ELSE
 		ret := 1;
diff --git a/db/procedures/sign_lease.sql b/db/procedures/sign_lease.sql
index 66badff..33bd988 100644
--- a/db/procedures/sign_lease.sql
+++ b/db/procedures/sign_lease.sql
@@ -1,32 +1,32 @@
 CREATE OR REPLACE PROCEDURE sign_lease (
-		personId IN payment_method.person_id%type,
-		propId IN lease.prop_id%type,
-        apt IN lease.apt%type,
-        termLength IN lease.term_length%type,
-        amt OUT number,
-        valid OUT number,
-        success OUT number
-	) IS
-        rent_amount lease.rent_amount%type;
-        lease_id lease.id%type;
-	BEGIN
-        -- Ensures that the lease does not exist the same time as another        
-        SELECT COUNT(*) into amt from lease where prop_id = propId and apt=apt and CURRENT_TIMESTAMP <= ADD_MONTHS(start_date, term_length);
-        -- Ensures that the apartment is a valid apartment
-        SELECT COUNT(*) into valid from apartment where prop_id = propId and apt = apt;
-        
-        IF amt <> 0 THEN
-            success := -1;
-            return;
-        ELSIF valid <> 0 THEN
-            success := -2;
-            return;
-        END IF;
-        
-        SELECT RENT into rent_amount from apartment where prop_id = propId and apt = apt;
-        INSERT INTO lease(prop_id, apt, start_date, term_length, rent_amount) VALUES(propId, apt, CURRENT_TIMESTAMP, termLength, rent_amount);
-        SELECT MAX(id) into lease_id from lease;
-        INSERT INTO person_on_lease VALUES(lease_id, personId);
-        success := 0;
-	END;
+    personId IN payment_method.person_id%type,
+    propId IN lease.prop_id%type,
+    apt IN lease.apt%type,
+    termLength IN lease.term_length%type,
+    amt OUT number,
+    valid OUT number,
+    success OUT number
+) IS
+    rent_amount lease.rent_amount%type;
+    lease_id lease.id%type;
+BEGIN
+    -- Ensures that the lease does not exist the same time as another        
+    SELECT COUNT(*) into amt from lease where prop_id = propId and apt=apt and CURRENT_TIMESTAMP <= ADD_MONTHS(start_date, term_length);
+    -- Ensures that the apartment is a valid apartment
+    SELECT COUNT(*) into valid from apartment where prop_id = propId and apt = apt;
+    
+    IF amt <> 0 THEN
+        success := -1;
+        return;
+    ELSIF valid <> 0 THEN
+        success := -2;
+        return;
+    END IF;
+    
+    SELECT RENT into rent_amount from apartment where prop_id = propId and apt = apt;
+    INSERT INTO lease(prop_id, apt, start_date, term_length, rent_amount) VALUES(propId, apt, CURRENT_TIMESTAMP, termLength, rent_amount);
+    SELECT MAX(id) into lease_id from lease;
+    INSERT INTO person_on_lease VALUES(lease_id, personId);
+    success := 0;
+END;
 
diff --git a/db/queries/check_resident.sql b/db/queries/check_resident.sql
index fb8eaac..ff4542e 100644
--- a/db/queries/check_resident.sql
+++ b/db/queries/check_resident.sql
@@ -1 +1,3 @@
+-- Check if a person is a resident or not, used for login
+
 SELECT COUNT(*) FROM renter_info where person_id = ?;
\ No newline at end of file
diff --git a/db/queries/get_all_apt.sql b/db/queries/get_all_apt.sql
new file mode 100644
index 0000000..d3f7683
--- /dev/null
+++ b/db/queries/get_all_apt.sql
@@ -0,0 +1,5 @@
+-- Used by NUMA to get more details about a certain apartment
+
+SELECT *
+FROM apartment
+WHERE prop_id = ?;
\ No newline at end of file
diff --git a/db/queries/get_all_prop.sql b/db/queries/get_all_prop.sql
new file mode 100644
index 0000000..cf87eb5
--- /dev/null
+++ b/db/queries/get_all_prop.sql
@@ -0,0 +1,4 @@
+-- Used by NUMA to see all properties
+
+SELECT *
+FROM property;
\ No newline at end of file
diff --git a/db/queries/numa_overview.sql b/db/queries/numa_overview.sql
new file mode 100644
index 0000000..4ebc64c
--- /dev/null
+++ b/db/queries/numa_overview.sql
@@ -0,0 +1,9 @@
+-- Used to get aggregate data about the leases
+-- Group by prop_id (Avg term length and count of each property)
+-- Group by term_length (Total # of tenants with the same term length)
+-- Group by prop_id, term_length (Total # of tenants w/ same term length in the same property)
+-- Group by nothing (Average term and total tenants)
+
+SELECT prop_id, avg(term_length), count(person_id) 
+FROM lease join person_on_lease on lease.id = person_on_lease.lease_id 
+GROUP BY cube(prop_id, term_length);
\ No newline at end of file
diff --git a/db/queries/view_lease_to_pay.sql b/db/queries/view_lease_to_pay.sql
index 6e94edc..3ddce3e 100644
--- a/db/queries/view_lease_to_pay.sql
+++ b/db/queries/view_lease_to_pay.sql
@@ -1,8 +1,9 @@
 -- Select leases that are still active
+-- End date of the lease is past today's date
+-- Payment has already been made for the month or first payment is due
+
 SELECT id, prop_id, apt, start_date, term_length, rent_amount
 FROM lease left outer join lease_payment on lease.id = lease_payment.lease_id
 WHERE id in (SELECT lease_id from person_on_lease where person_id = 8) and
 	TO_CHAR(ADD_MONTHS(start_date, term_length), 'YYYYMM') >= TO_CHAR(CURRENT_TIMESTAMP, 'YYYYMM') and 
-	(TO_CHAR(date_paid, 'YYYYMM') = TO_CHAR(CURRENT_TIMESTAMP, 'YYYYMM') or TO_CHAR(date_paid, 'YYYYMM') is null);
--- End date of the lease is past today's date
--- Payment has already been made for the month or first payment is due
\ No newline at end of file
+	(TO_CHAR(date_paid, 'YYYYMM') = TO_CHAR(CURRENT_TIMESTAMP, 'YYYYMM') or TO_CHAR(date_paid, 'YYYYMM') is null);
\ No newline at end of file
diff --git a/db/updates/add_person.sql b/db/updates/add_person.sql
new file mode 100644
index 0000000..263f93b
--- /dev/null
+++ b/db/updates/add_person.sql
@@ -0,0 +1,5 @@
+-- Used to register a new person into the NUMA system
+-- For the purpose of a new leasee or a new visitor of one of NUMA's properties
+
+INSERT into person(first_name, last_name, age, phone_number, email, credit_score)
+VALUES(?, ?, ?, ?, ?, ?);
\ No newline at end of file
diff --git a/db/updates/change_preferred_payment.sql b/db/updates/change_preferred_payment.sql
new file mode 100644
index 0000000..d08a727
--- /dev/null
+++ b/db/updates/change_preferred_payment.sql
@@ -0,0 +1,5 @@
+-- Used to update a renter's preferred payment method
+
+UPDATE renter_info
+SET preferred_payment = ?
+WHERE person_id = ?;
\ No newline at end of file
diff --git a/db/updates/modify_lease_length.sql b/db/updates/modify_lease_length.sql
new file mode 100644
index 0000000..92e453f
--- /dev/null
+++ b/db/updates/modify_lease_length.sql
@@ -0,0 +1,5 @@
+-- Used by NUMA to end prematurely or extend a person's lease
+
+UPDATE lease
+SET term_length = ?
+WHERE id = ?;
\ No newline at end of file
diff --git a/db/updates/register_visit.sql b/db/updates/register_visit.sql
new file mode 100644
index 0000000..d5eefc9
--- /dev/null
+++ b/db/updates/register_visit.sql
@@ -0,0 +1,4 @@
+-- Used by NUMA to register a new visit to a property
+
+INSERT into visited(person_id, date_visited, prop_id, apt)
+VALUES(?, ?, ?, ?);
\ No newline at end of file