1. PostgreSQL copy of all MySQL created and tested.\n 2. Purchase Orders and Sales Orders and stock level management added to MySQL, PostgreSQL, and server and front end code.

static/MySQL/162_tbl_Shop_User_Audit.sql

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+
+# User Audits
+
+USE PARTSLTD_PROD;
+
+SELECT CONCAT('WARNING: Table ', TABLE_NAME, ' already exists.') AS msg_warning FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'Shop_User_Audit';
+
+CREATE TABLE IF NOT EXISTS Shop_User_Audit (
+	id_audit INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    id_user VARCHAR(200) NOT NULL,
+    CONSTRAINT FK_Shop_User_Audit_id_user
+		FOREIGN KEY (id_user)
+        REFERENCES Shop_User(id_user)
+        ON UPDATE RESTRICT,
+    name_field VARCHAR(50),
+    value_prev VARCHAR(500),
+    value_new VARCHAR(500),
+    id_change_set INT NOT NULL,
+    CONSTRAINT FK_Shop_User_Audit_id_change_set
+		FOREIGN KEY (id_change_set)
+        REFERENCES Shop_User_Change_Set(id_change_set)
+        ON UPDATE RESTRICT
+);