Edit D:\app\Administrator\product\11.2.0\dbhome_1\oc4j\j2ee\oc4j_applications\applications\em\em\online_help\tdddg\tdddg

Edit D:\app\Administrator\product\11.2.0\dbhome_1\oc4j\j2ee\oc4j_applications\applications\em\em\online_help\tdddg\tdddg_dml008.htm

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UPDATE COUNTRIES
  SET REGION_ID = 5
  WHERE COUNTRY_ID = 'ZM';
<span class="bold">SAVEPOINT zambia;</span>

UPDATE COUNTRIES
  SET REGION_ID = 5
  WHERE COUNTRY_ID = 'NG';
<span class="bold">SAVEPOINT nigeria;</span>
 
UPDATE COUNTRIES
  SET REGION_ID = 5
  WHERE COUNTRY_ID = 'ZW';
<span class="bold">SAVEPOINT zimbabwe;</span>

UPDATE COUNTRIES
  SET REGION_ID = 5
  WHERE COUNTRY_ID = 'EG';
<span class="bold">SAVEPOINT egypt;</span>
</pre>
<p>Check <code>REGIONS</code> table after transaction:</p>
<pre xml:space="preserve" class="oac_no_warn">
SELECT * FROM REGIONS
ORDER BY REGION_ID;
 
</pre>
<p>Result:</p>
<pre xml:space="preserve" class="oac_no_warn">
 REGION_ID REGION_NAME
---------- -------------------------
         1 Europe
         2 Americas
         3 Asia
         4 Middle East
         5 Africa
 
5 rows selected.
</pre>
<p>Check countries in region 4 after transaction:</p>
<pre xml:space="preserve" class="oac_no_warn">
SELECT COUNTRY_NAME, COUNTRY_ID, REGION_ID
FROM COUNTRIES
WHERE REGION_ID = 4
ORDER BY COUNTRY_NAME;
 
</pre>
<p>Result:</p>
<pre xml:space="preserve" class="oac_no_warn">
COUNTRY_NAME                             CO  REGION_ID
---------------------------------------- -- ----------
Israel                                   IL          4
Kuwait                                   KW          4
 
2 rows selected.
 
</pre>
<p>Check countries in region 5 after transaction:</p>
<pre xml:space="preserve" class="oac_no_warn">
SELECT COUNTRY_NAME, COUNTRY_ID, REGION_ID
FROM COUNTRIES
WHERE REGION_ID = 5
ORDER BY COUNTRY_NAME;
 
</pre>
<p>Result:</p>
<pre xml:space="preserve" class="oac_no_warn">
COUNTRY_NAME                             CO  REGION_ID
---------------------------------------- -- ----------
Egypt                                    EG          5
Nigeria                                  NG          5
Zambia                                   ZM          5
Zimbabwe                                 ZW          5
 
4 rows selected.
 
<span class="bold">ROLLBACK TO SAVEPOINT nigeria;</span>
</pre>
<p>Check <code>REGIONS</code> table after rollback:</p>
<pre xml:space="preserve" class="oac_no_warn">
SELECT * FROM REGIONS
ORDER BY REGION_ID;
 
</pre>
<p>Result:</p>
<pre xml:space="preserve" class="oac_no_warn">
 REGION_ID REGION_NAME
---------- -------------------------
         1 Europe
         2 Americas
         3 Asia
         4 Middle East
         5 Africa
 
5 rows selected.
</pre>
<p>Check countries in region 4 after rollback:</p>
<pre xml:space="preserve" class="oac_no_warn">
SELECT COUNTRY_NAME, COUNTRY_ID, REGION_ID
FROM COUNTRIES
WHERE REGION_ID = 4
ORDER BY COUNTRY_NAME;
 
</pre>
<p>Result:</p>
<pre xml:space="preserve" class="oac_no_warn">
COUNTRY_NAME                             CO  REGION_ID
---------------------------------------- -- ----------
Egypt                                    EG          4
Israel                                   IL          4
Kuwait                                   KW          4
Zimbabwe                                 ZW          4
 
4 rows selected.
 
</pre>
<p>Check countries in region 5 after rollback:</p>
<pre xml:space="preserve" class="oac_no_warn">
 
SELECT COUNTRY_NAME, COUNTRY_ID, REGION_ID
FROM COUNTRIES
WHERE REGION_ID = 5
ORDER BY COUNTRY_NAME;
 
</pre>
<p>Result:</p>
<pre xml:space="preserve" class="oac_no_warn">
COUNTRY_NAME                             CO  REGION_ID
---------------------------------------- -- ----------
Nigeria                                  NG          5
Zambia                                   ZM          5
 
2 rows selected.
</pre></div>

<div class="helpinfonotealso">
<h2>Related Topics</h2>
<p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=SQLRF01701','newWindow').focus()"><span class="italic">Oracle Database SQL Language Reference</span></a></p>
<p><a href="tdddg_dml.htm#CHDEBAED">About DML Statements and Transactions</a></p>
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