diff --git a/db/MySQL/install.sql b/db/MySQL/install.sql
index e83dc096..4f7b5ec3 100644
--- a/db/MySQL/install.sql
+++ b/db/MySQL/install.sql
@@ -178,10 +178,10 @@ CREATE TABLE Traces(
     UserName   		VARCHAR (50)  NOT NULL,
     LogTime    		DATETIME      NOT NULL,
     IP         		VARCHAR (15)  NOT NULL,
-    Browser    		VARCHAR (50),
-    OS         		VARCHAR (50),
+    Browser    		VARCHAR (2000),
+    OS         		VARCHAR (2000),
     City       		VARCHAR (50),
-    RequestUrl 		VARCHAR (500) NOT NULL,
+    RequestUrl 		VARCHAR (2000) NOT NULL,
 	UserAgent		VARCHAR (2000) NULL,
     Referer         VARCHAR (2000) 
 );
diff --git a/db/Oracle/Install.sql b/db/Oracle/Install.sql
index b06ac811..b315d219 100644
--- a/db/Oracle/Install.sql
+++ b/db/Oracle/Install.sql
@@ -178,10 +178,10 @@ CREATE TABLE Traces(
     UserName   NVARCHAR2 (50)  NOT NULL,
     LogTime    DATE      NOT NULL,
     IP         NVARCHAR2 (15)  NOT NULL,
-    Browser    NVARCHAR2 (50),
-    OS         NVARCHAR2 (50),
+    Browser    NVARCHAR2 (2000),
+    OS         NVARCHAR2 (2000),
     City       NVARCHAR2 (50),
-    RequestUrl NVARCHAR2 (500) NOT NULL,
+    RequestUrl NVARCHAR2 (2000) NOT NULL,
 	UserAgent  NVARCHAR2 (2000),
     Referer    NVARCHAR2 (2000) 
 );
diff --git a/db/Postgresql/install.sql b/db/Postgresql/install.sql
index 6a5fca70..df7c4e27 100644
--- a/db/Postgresql/install.sql
+++ b/db/Postgresql/install.sql
@@ -178,10 +178,10 @@ CREATE TABLE Traces(
     UserName   		VARCHAR (50)  NOT NULL,
     LogTime    		DATE      NOT NULL,
     IP         		VARCHAR (15)  NOT NULL,
-    Browser    		VARCHAR (50),
-    OS         		VARCHAR (50),
+    Browser    		VARCHAR (2000),
+    OS         		VARCHAR (2000),
     City       		VARCHAR (50),
-    RequestUrl 		VARCHAR (500) NOT NULL,
+    RequestUrl 		VARCHAR (2000) NOT NULL,
 	UserAgent		VARCHAR (2000) NULL,
     Referer         VARCHAR (2000) 
 );
diff --git a/db/SQLite/Install.sql b/db/SQLite/Install.sql
index a37a8318..70d6fa8f 100644
--- a/db/SQLite/Install.sql
+++ b/db/SQLite/Install.sql
@@ -178,10 +178,10 @@ CREATE TABLE Traces(
     UserName   VARCHAR (50)  NOT NULL COLLATE NOCASE,
     LogTime    DATETIME      NOT NULL,
     IP         VARCHAR (15)  NOT NULL,
-    Browser    VARCHAR (50),
-    OS         VARCHAR (50),
+    Browser    VARCHAR (2000),
+    OS         VARCHAR (2000),
     City       VARCHAR (50),
-    RequestUrl VARCHAR (500) NOT NULL,
+    RequestUrl VARCHAR (2000) NOT NULL,
 	UserAgent  VARCHAR (2000),
     Referer    VARCHAR (2000) 
 );
diff --git a/db/SqlServer/Install.sql b/db/SqlServer/Install.sql
index 62115ac8..35979723 100644
--- a/db/SqlServer/Install.sql
+++ b/db/SqlServer/Install.sql
@@ -564,10 +564,10 @@ CREATE TABLE [dbo].[Traces](
 	[UserName] [varchar](50) NOT NULL,
 	[LogTime] [datetime] NOT NULL,
 	[Ip] [varchar](15) NOT NULL,
-	[Browser] [varchar](50) NULL,
-	[OS] [varchar](50) NULL,
+	[Browser] [varchar](2000) NULL,
+	[OS] [varchar](2000) NULL,
 	[City] [nvarchar](50) NULL,
-	[RequestUrl] [nvarchar](500) NOT NULL,
+	[RequestUrl] [nvarchar](2000) NOT NULL,
 	[UserAgent] [varchar](2000) NULL,
     [Referer] [nvarchar](2000) NULL,
  CONSTRAINT [PK_Traces] PRIMARY KEY CLUSTERED