WordPress Failed upgrade to 2.3.1

I am trying to upgrade wordpress from 2.2.3 to 2.3.1 I get these error and the tables wp_terms and the other new tables are not created in the database. Can anyone look at these error and provide some support. Any help regarding this is appreciated.

Thanks

WordPress database error: [MyISAM table ‘wp_terms’ is in use (most likely by a MERGE table). Try FLUSH TABLES.]
CREATE TABLE wp_terms ( term_id bigint(20) NOT NULL auto_increment, name varchar(55) NOT NULL default ”, slug
varchar(200) NOT NULL default ”, term_group bigint(10) NOT NULL default 0, PRIMARY KEY (term_id), UNIQUE KEY slug
(slug) )

WordPress database error: [MyISAM table ‘wp_term_taxonomy’ is in use (most likely by a MERGE table). Try FLUSH TABLES.]
CREATE TABLE wp_term_taxonomy ( term_taxonomy_id bigint(20) NOT NULL auto_increment, term_id bigint(20) NOT NULL
default 0, taxonomy varchar(32) NOT NULL default ”, description longtext NOT NULL, parent bigint(20) NOT NULL default
0, count bigint(20) NOT NULL default 0, PRIMARY KEY (term_taxonomy_id), UNIQUE KEY term_id_taxonomy (term_id,taxonomy)
)

WordPress database error: [MyISAM table ‘wp_term_relationships’ is in use (most likely by a MERGE table). Try FLUSH
TABLES.]
CREATE TABLE wp_term_relationships ( object_id bigint(20) NOT NULL default 0, term_taxonomy_id bigint(20) NOT NULL
default 0, PRIMARY KEY (object_id,term_taxonomy_id), KEY term_taxonomy_id (term_taxonomy_id) )

WordPress database error: [Duplicate entry ‘1’ for key 1]
INSERT INTO wp_terms (term_id, name, slug, term_group) VALUES (‘1’, ‘Uncategorized’, ‘uncategorized-2’, ‘1’)