diff --git a/database/create/schema/bd.sql b/database/create/schema/bd.sql
index 05d1d6ddbb09c144f8e71fb937fd785eebb9f7ca..bdfe032be462a679cc1e3bcf94f358b75cf3c8aa 100755
--- a/database/create/schema/bd.sql
+++ b/database/create/schema/bd.sql
@@ -4,21 +4,21 @@ START TRANSACTION;
 CREATE TABLE session(
    sessionSer BIGINT,
    SessionNum INT,
-   Comment VARCHAR(11),
-   HstryUserName VARCHAR(11),
+   Comment VARCHAR(254),
+   HstryUserName VARCHAR(32),
    HstryTimeStamp TIMESTAMP,
    HstryDateTime TIMESTAMP,
-   HstryTaskName VARCHAR(11),
+   HstryTaskName VARCHAR(32),
    CourseSer BIGINT,
    CONSTRAINT pk_session primary key(sessionSer)
 );
 
 CREATE TABLE SessionProcedurePart(
    RadiationSer BIGINT,
-   ImageType VARCHAR(11),
+   ImageType VARCHAR(32),
    SequenceNumber INT,
    SessionProcedurePartSer BIGINT,
-	AcqAdjustment FLOAT(11),
+   AcqAdjustment FLOAT,
    AutoSave INT,
    DoseAccumulation INT,
    Continuous INT,
@@ -27,19 +27,19 @@ CREATE TABLE SessionProcedurePart(
    DevEnergy INT,
    DevDoseRate INT,
    DevGeometry INT,
-   JawState FLOAT(11),
-   DevCollX1 FLOAT(11),
-   DevCollX2 FLOAT(11),
-   DevCollY1 FLOAT(11),
-   DevCollY2 FLOAT(11),
+   JawState FLOAT,
+   DevCollX1 FLOAT,
+   DevCollX2 FLOAT,
+   DevCollY1 FLOAT,
+   DevCollY2 FLOAT,
    MUSubtraction INT,
-   AcquisitionMode VARCHAR(11),
-   HstryUserName VARCHAR(11),
+   AcquisitionMode VARCHAR(64),
+   HstryUserName VARCHAR(32),
    HstryTimeStamp TIMESTAMP,
    HstryDateTime TIMESTAMP,
-   HstryTaskName VARCHAR(11),
+   HstryTaskName VARCHAR(32),
    SessionProcedureSer BIGINT,
-   ImageModality VARCHAR(11),
+   ImageModality VARCHAR(16),
    RTPlanSer BIGINT,
 	CONSTRAINT pk_SessionProcedurePart primary key(SessionProcedurePartSer)
 );
@@ -47,18 +47,18 @@ CREATE TABLE SessionProcedurePart(
 CREATE TABLE Course(
    CourseSer BIGINT,
    PatientSer BIGINT,
-   CourseId VARCHAR(11),
+   CourseId VARCHAR(16),
    StartDateTime TIMESTAMP,
-   ClinicalStatus VARCHAR(11),
-   CompletedByUserName VARCHAR(11),
+   ClinicalStatus VARCHAR(16),
+   CompletedByUserName VARCHAR(32),
    CompletedDateTime TIMESTAMP,
-   Comment VARCHAR(11),
-   ClinicalProtocolDir VARCHAR(11),
-   HstryUserName VARCHAR(11) not null,
+   Comment VARCHAR(254),
+   ClinicalProtocolDir VARCHAR(254),
+   HstryUserName VARCHAR(32) not null,
    HstryTimeStamp TIMESTAMP,
    HstryDateTime TIMESTAMP,
-   TransactionId VARCHAR(11),
    HstryTaskName VARCHAR(32),
+   TransactionId VARCHAR(255),
    CONSTRAINT pk_Course primary key(CourseSer)
 );