diff --git a/install/sql/alter_tables/1.9.20/mysql/DB.1.9.20/step1/db_schema_update.sql b/install/sql/alter_tables/1.9.20/mysql/DB.1.9.20/step1/db_schema_update.sql
index 35ae92a287..89ce753b56 100644
--- a/install/sql/alter_tables/1.9.20/mysql/DB.1.9.20/step1/db_schema_update.sql
+++ b/install/sql/alter_tables/1.9.20/mysql/DB.1.9.20/step1/db_schema_update.sql
@@ -22,8 +22,8 @@ ALTER TABLE /*prefix*/users MODIFY password VARCHAR(255);
 
 -- 
 ALTER TABLE /*prefix*/testplan_platforms ADD COLUMN active tinyint(1) NOT NULL default '1';
-ALTER TABLE /*prefix*/platforms ADD COLUMN  enable_on_design tinyint(1) NOT NULL default '0',
-ALTER TABLE /*prefix*/platforms ADD COLUMN  enable_on_execution tinyint(1) NOT NULL default '1',
+ALTER TABLE /*prefix*/platforms ADD COLUMN  enable_on_design tinyint(1) NOT NULL default '0';
+ALTER TABLE /*prefix*/platforms ADD COLUMN  enable_on_execution tinyint(1) NOT NULL default '1';
 
 
 CREATE TABLE /*prefix*/testcase_platforms (
@@ -41,11 +41,11 @@ CREATE TABLE /*prefix*/baseline_l1l2_context (
   id int(10) unsigned NOT NULL AUTO_INCREMENT,
   testplan_id int(10) unsigned NOT NULL DEFAULT '0',
   platform_id int(10) unsigned NOT NULL DEFAULT '0',
-  being_exec_ts timestamp NOT NULL,
-  end_exec_ts timestamp NOT NULL,
+  begin_exec_ts timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  end_exec_ts timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
   creation_ts timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
   PRIMARY KEY (id),
-  UNIQUE KEY udx1 (testplan_id,platform_id,creation_ts),
+  UNIQUE KEY udx1 (testplan_id,platform_id,creation_ts)
 ) DEFAULT CHARSET=utf8;
 
 
@@ -123,4 +123,4 @@ E.* FROM /*prefix*/executions E
 JOIN /*prefix*/testplans TPL on TPL.id=E.testplan_id
 JOIN /*prefix*/nodes_hierarchy NHTPL on NHTPL.id = TPL.id);
 
-# END
\ No newline at end of file
+# END
diff --git a/install/sql/mysql/testlink_create_tables.sql b/install/sql/mysql/testlink_create_tables.sql
index 949fe27af8..7ba1faf623 100644
--- a/install/sql/mysql/testlink_create_tables.sql
+++ b/install/sql/mysql/testlink_create_tables.sql
@@ -802,8 +802,8 @@ CREATE TABLE /*prefix*/baseline_l1l2_context (
   id int(10) unsigned NOT NULL AUTO_INCREMENT,
   testplan_id int(10) unsigned NOT NULL DEFAULT '0',
   platform_id int(10) unsigned NOT NULL DEFAULT '0',
-  being_exec_ts timestamp NOT NULL,
-  end_exec_ts timestamp NOT NULL,
+  begin_exec_ts timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  end_exec_ts timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
   creation_ts timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
   PRIMARY KEY (id),
   UNIQUE KEY udx1 (testplan_id,platform_id,creation_ts)