CREATE INDEX &mw_prefix.actor_timestamp ON &mw_prefix.revision_actor_temp (revactor_actor,revactor_timestamp);
CREATE INDEX &mw_prefix.page_actor_timestamp ON &mw_prefix.revision_actor_temp (revactor_page,revactor_actor,revactor_timestamp);
-ALTER TABLE &mw_prefix.archive ALTER COLUMN ar_user_text VARCHAR2(255) NULL;
-ALTER TABLE &mw_prefix.archive ADD COLUMN ar_actor NUMBER DEFAULT 0 NOT NULL;
+ALTER TABLE &mw_prefix.archive MODIFY ( ar_user_text NULL );
+ALTER TABLE &mw_prefix.archive ADD ( ar_actor NUMBER DEFAULT 0 NOT NULL );
CREATE INDEX &mw_prefix.ar_actor_timestamp ON &mw_prefix.archive (ar_actor,ar_timestamp);
-ALTER TABLE &mw_prefix.ipblocks ADD COLUMN ipb_by_actor NUMBER DEFUALT 0 NOT NULL;
+ALTER TABLE &mw_prefix.ipblocks ADD ( ipb_by_actor NUMBER DEFAULT 0 NOT NULL );
-ALTER TABLE &mw_prefix.image ALTER COLUMN img_user_text VARCHAR2(255) NULL;
-ALTER TABLE &mw_prefix.image ADD COLUMN img_actor NUMBER DEFAULT 0 NOT NULL;
+ALTER TABLE &mw_prefix.image MODIFY ( img_user_text NULL );
+ALTER TABLE &mw_prefix.image ADD ( img_actor NUMBER DEFAULT 0 NOT NULL );
CREATE INDEX &mw_prefix.img_actor_timestamp ON &mw_prefix.image (img_actor, img_timestamp);
-ALTER TABLE &mw_prefix.oldimage ALTER COLUMN oi_user_text VARCHAR2(255) NULL;
-ALTER TABLE &mw_prefix.oldimage ADD COLUMN oi_actor NUMBER DEFAULT 0 NOT NULL;
+ALTER TABLE &mw_prefix.oldimage MODIFY ( oi_user_text NULL );
+ALTER TABLE &mw_prefix.oldimage ADD ( oi_actor NUMBER DEFAULT 0 NOT NULL );
CREATE INDEX &mw_prefix.oi_actor_timestamp ON &mw_prefix.oldimage (oi_actor,oi_timestamp);
-ALTER TABLE &mw_prefix.filearchive ALTER COLUMN fa_user_text VARCHAR2(255) NULL;
-ALTER TABLE &mw_prefix.filearchive ADD COLUMN fa_actor NUMBER DEFAULT 0 NOT NULL;
+ALTER TABLE &mw_prefix.filearchive MODIFY ( fa_user_text NULL );
+ALTER TABLE &mw_prefix.filearchive ADD ( fa_actor NUMBER DEFAULT 0 NOT NULL );
CREATE INDEX &mw_prefix.fa_actor_timestamp ON &mw_prefix.filearchive (fa_actor,fa_timestamp);
-ALTER TABLE &mw_prefix.recentchanges ALTER COLUMN rc_user_text VARCHAR2(255) NULL;
-ALTER TABLE &mw_prefix.recentchanges ADD COLUMN rc_actor NUMBER DEFAULT 0 NOT NULL;
+ALTER TABLE &mw_prefix.recentchanges MODIFY ( rc_user_text NULL );
+ALTER TABLE &mw_prefix.recentchanges ADD ( rc_actor NUMBER DEFAULT 0 NOT NULL );
CREATE INDEX &mw_prefix.rc_ns_actor ON &mw_prefix.recentchanges (rc_namespace, rc_actor);
CREATE INDEX &mw_prefix.rc_actor ON &mw_prefix.recentchanges (rc_actor, rc_timestamp);
-ALTER TABLE &mw_prefix.logging ADD COLUMN log_actor NUMBER DEFAULT 0 NOT NULL;
+ALTER TABLE &mw_prefix.logging ADD ( log_actor NUMBER DEFAULT 0 NOT NULL );
CREATE INDEX &mw_prefix.actor_time ON &mw_prefix.logging (log_actor, log_timestamp);
CREATE INDEX &mw_prefix.log_actor_type_time ON &mw_prefix.logging (log_actor, log_type, log_timestamp);