CREATE TABLE M_MESSAGE ( UID VARCHAR(50) NOT NULL PRIMARY KEY, SenderID VARCHAR(15) NOT NULL, ReceiverID VARCHAR(15) NOT NULL, ReceiverText VARCHAR(8000) NOT NULL, SenderDelete CHAR(1) DEFAULT 'N', ReceiverDelete CHAR(1) DEFAULT 'N', Message NVARCHAR(8000), MessageText VARCHAR(8000), Width INT, Height INT, Read CHAR(1) DEFAULT 'N', CreateDate DATETIME DEFAULT CURRENT_TIMESTAMP ) CREATE TABLE M_M..