Migrations for Java
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The document discusses the incremental evolution of databases in Java applications, emphasizing the advantages and disadvantages of different migration methods. It highlights the importance of tools like MyBatis for managing database migrations effectively and includes installation instructions and command usage for MyBatis migrations. The document also notes the difference in the adoption of migration practices between Ruby on Rails and Java communities.
![instalando MyBatis Migrations | download & unzip
[rponte]
~/Development/tools
$
unzip
mybatis-‐3.0.6-‐migrations.zip
[rponte]
~/Development/tools
$
ls
-‐l
mybatis-‐migrations-‐3.0.6
total
536
-‐rw-‐r-‐-‐r-‐-‐@
1
rponte
staff
11560
Oct
9
2011
LICENSE
-‐rw-‐r-‐-‐r-‐-‐@
1
rponte
staff
2051
Oct
9
2011
MIGRATIONS-‐README
-‐rw-‐r-‐-‐r-‐-‐@
1
rponte
staff
253003
Oct
9
2011
MyBatis-‐3-‐Migrations.pdf
-‐rw-‐r-‐-‐r-‐-‐@
1
rponte
staff
2519
Oct
9
2011
NOTICE
drwxrwxrwx
5
rponte
staff
170
May
11
02:45
bin
drwxrwxrwx
3
rponte
staff
102
Oct
9
2011
lib
Monday, May 14, 2012](https://image.slidesharecdn.com/migrationsforjava-120514082530-phpapp01/85/Migrations-for-Java-19-320.jpg)
![instalando MyBatis Migrations | environment
[rponte]
~/Development/tools
$
export
PATH=$MIGRATIONS_HOME/bin:$PATH
[rponte]
~/Development/tools
$
migrate
-‐-‐help
Commands:
init
Creates
(if
necessary)
and
initializes
a
migration
path.
bootstrap
Runs
the
bootstrap
SQL
script
(see
scripts/bootstrap.sql
for
more).
new
<description>
Creates
a
new
migration
with
the
provided
description.
up
[n]
Run
unapplied
migrations,
ALL
by
default,
or
'n'
specified.
down
[n]
Undoes
migrations
applied
to
the
database.
ONE
by
default
or
'n'
specified.
version
<version>
Migrates
the
database
up
or
down
to
the
specified
version.
pending
Force
executes
pending
migrations
out
of
order
(not
recommended).
status
Prints
the
changelog
from
the
database
if
the
changelog
table
exists.
script
<v1>
<v2>
Generates
a
delta
migration
script
from
version
v1
to
v2
(undo
if
v1
>
v2).
Monday, May 14, 2012](https://image.slidesharecdn.com/migrationsforjava-120514082530-phpapp01/85/Migrations-for-Java-20-320.jpg)
![instalando MyBatis Migrations | project
[rponte]
~/Development/blog_project/db
$
migrate
init
Monday, May 14, 2012](https://image.slidesharecdn.com/migrationsforjava-120514082530-phpapp01/85/Migrations-for-Java-21-320.jpg)
Migrations for Java
- 1. Migrations for Java EVOLUINDO SEU BANCO DE MANEIRA INCREMENTAL Monday, May 14, 2012
- 2. Como você evolui sua APP? Monday, May 14, 2012
- 3. Como você evolui seu BANCO? Monday, May 14, 2012
- 4. gerencia mudanças Como você evolui seu BANCO? Monday, May 14, 2012
- 5. PREPARA UM HUGE_SCRIPT.SQL E APLICA MANUALMENTE? Monday, May 14, 2012
- 6. DEIXA NA MÃO DO DBA? Monday, May 14, 2012
- 7. DEIXA NA MÃO DO * ARQUITETO? * BDUF (Big Design Up Front) Monday, May 14, 2012
- 8. NÓS ♥ TECN OLO GIA CASE CRIA SUA PRÓPRIA IRA FERRAMENTA, CERTO? Monday, May 14, 2012
- 9. Não importa qual solução você utilize... Monday, May 14, 2012
- 10. CADA SOLUÇÃO TEM VANTAGENS E DESVANTAGENS Monday, May 14, 2012
- 11. CADA SOLUÇÃO TEM SEUS PRÓS E CONTRAS Monday, May 14, 2012
- 12. A COMUNIDADE RUBYONRAILS APRENDEU DESDE O COMEÇO Monday, May 14, 2012
- 13. SIMPLES E EFICAZ: MIGRATIONS Monday, May 14, 2012
- 14. A COMUNIDADE JAVA PARECE QUE NÃO APRENDEU AINDA COMO SE FAZ Monday, May 14, 2012
- 15. Java ferramentas para todos os gostos Monday, May 14, 2012
- 16. Java ferramentas para todos os gostos mybatis Monday, May 14, 2012
- 17. MyBatis Schema Migrations Monday, May 14, 2012
- 18. INSTALAÇÃO É SIMPLES Monday, May 14, 2012
- 19. instalando MyBatis Migrations | download & unzip [rponte] ~/Development/tools $ unzip mybatis-‐3.0.6-‐migrations.zip [rponte] ~/Development/tools $ ls -‐l mybatis-‐migrations-‐3.0.6 total 536 -‐rw-‐r-‐-‐r-‐-‐@ 1 rponte staff 11560 Oct 9 2011 LICENSE -‐rw-‐r-‐-‐r-‐-‐@ 1 rponte staff 2051 Oct 9 2011 MIGRATIONS-‐README -‐rw-‐r-‐-‐r-‐-‐@ 1 rponte staff 253003 Oct 9 2011 MyBatis-‐3-‐Migrations.pdf -‐rw-‐r-‐-‐r-‐-‐@ 1 rponte staff 2519 Oct 9 2011 NOTICE drwxrwxrwx 5 rponte staff 170 May 11 02:45 bin drwxrwxrwx 3 rponte staff 102 Oct 9 2011 lib Monday, May 14, 2012
- 20. instalando MyBatis Migrations | environment [rponte] ~/Development/tools $ export PATH=$MIGRATIONS_HOME/bin:$PATH [rponte] ~/Development/tools $ migrate -‐-‐help Commands: init Creates (if necessary) and initializes a migration path. bootstrap Runs the bootstrap SQL script (see scripts/bootstrap.sql for more). new <description> Creates a new migration with the provided description. up [n] Run unapplied migrations, ALL by default, or 'n' specified. down [n] Undoes migrations applied to the database. ONE by default or 'n' specified. version <version> Migrates the database up or down to the specified version. pending Force executes pending migrations out of order (not recommended). status Prints the changelog from the database if the changelog table exists. script <v1> <v2> Generates a delta migration script from version v1 to v2 (undo if v1 > v2). Monday, May 14, 2012
- 21. instalando MyBatis Migrations | project [rponte] ~/Development/blog_project/db $ migrate init Monday, May 14, 2012
- 22. MyBatis Migrations em ação... Monday, May 14, 2012
- 23. PODEMOS FACILITAR E FOI O QUE FIZEMOS ANT SCRIPT Monday, May 14, 2012
- 24. Monday, May 14, 2012
- 25. Mybatis-Migrations-Anttasks github.com/triadworks/labs Monday, May 14, 2012
- 26. Mybatis-Migrations-Anttasks github.com/triadworks/labs Monday, May 14, 2012
- 27. Monday, May 14, 2012
- 28. MyBatis Migrations Ant-tasks em ação... Monday, May 14, 2012
- 29. Rafael Ponte rponte@triadworks.com.br Monday, May 14, 2012