<s>
Flyway	B-Language
is	O
an	O
open-source	B-Application
database-migration	O
tool	O
.	O
</s>
<s>
Flyway	B-Language
is	O
based	O
around	O
seven	O
basic	O
commands	O
:	O
Migrate	O
,	O
Clean	O
,	O
Info	O
,	O
Validate	O
,	O
Undo	O
,	O
Baseline	O
,	O
and	O
Repair	O
.	O
</s>
<s>
Migrations	O
can	O
be	O
written	O
in	O
SQL	B-Language
(	O
database-specific	O
syntax	O
such	O
as	O
PL/SQL	B-Language
,	O
T-SQL	B-Language
,	O
etc	O
is	O
supported	O
)	O
or	O
Java	B-Language
(	O
for	O
advanced	O
data	O
transformations	O
or	O
dealing	O
with	O
LOBs	O
)	O
.	O
</s>
<s>
It	O
has	O
a	O
command-line	O
client	O
,	O
a	O
Java	B-Language
API	O
(	O
also	O
works	O
on	O
Android	B-Application
)	O
for	O
migrating	O
the	O
database	O
on	O
application	O
startup	O
,	O
a	O
Maven	B-Language
plugin	O
,	O
and	O
a	O
Gradle	B-Language
plugin	O
.	O
</s>
<s>
Plugins	O
are	O
available	O
for	O
Spring	O
Boot	O
,	O
Dropwizard	O
,	O
Grails	B-Language
,	O
Play	B-Language
,	O
SBT	B-Language
,	O
Ant	B-Application
,	O
Griffon	B-Language
,	O
Grunt	B-Language
,	O
Ninja	B-Application
,	O
and	O
more	O
.	O
</s>
<s>
Supported	O
databases	O
include	O
Oracle	B-General_Concept
,	O
SQL	B-Application
Server	I-Application
,	O
DB2	B-Application
,	O
MySQL	B-Application
(	O
including	O
Amazon	O
RDS	O
,	O
Aurora	O
MySQL	B-Application
,	O
MariaDB	B-Application
)	O
,	O
Percona	O
XtraDB	O
,	O
PostgreSQL	B-Application
(	O
including	O
Amazon	O
RDS	O
and	O
Heroku	B-General_Concept
)	O
,	O
Aurora	O
PostgreSQL	B-Application
,	O
YugabyteDB	B-Operating_System
,	O
CockroachDB	B-Operating_System
,	O
Redshift	O
,	O
Informix	B-Application
,	O
H2	B-Language
,	O
Hsql	B-Application
,	O
Derby	B-Language
,	O
SQLite	B-Language
,	O
SAP	B-Application
HANA	I-Application
,	O
Sybase	B-Application
ASE	I-Application
,	O
Phoenix	B-Application
,	O
and	O
Firebird	B-Application
.	O
</s>
<s>
Flyway	B-Language
received	O
11,500,000	O
downloads	O
in	O
2018	O
alone	O
.	O
</s>
<s>
In	O
January	O
2015	O
,	O
Flyway	B-Language
was	O
placed	O
in	O
the	O
"	O
Adopt	O
"	O
section	O
of	O
the	O
Thoughtworks	O
Technology	O
Radar	O
.	O
</s>
<s>
In	O
July	O
2019	O
,	O
Flyway	B-Language
was	O
acquired	O
by	O
Redgate	O
.	O
</s>
