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<title>Selecting Data that Satisfies Specified Conditions</title>
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<p><a id="BCGBGBDC" name="BCGBGBDC"></a><a id="TDDDG22200" name="TDDDG22200"></a></p>
<div class="sect1">
<h1>Selecting Data that Satisfies Specified Conditions</h1>
<a name="BEGIN" id="BEGIN"></a>
<p><a id="sthref105" name="sthref105"></a><a id="sthref106" name="sthref106"></a>To select only data that matches a specified condition, include the <a id="sthref107" name="sthref107"></a><a id="sthref108" name="sthref108"></a><code>WHERE</code> clause in the <code>SELECT</code> statement. The condition in the <code>WHERE</code> clause can be any SQL condition (for information about SQL conditions, see <a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=SQLRF005','newWindow').focus()"><span class="italic">Oracle Database SQL Language Reference</span></a>).</p>
<p>The query in the following example selects data only for employees in department 90.</p>
<div class="example"><a id="CEGCAGEC" name="CEGCAGEC"></a><a id="TDDDG132" name="TDDDG132"></a>
<p class="titleinexample">Selecting Data from One Department</p>
<pre xml:space="preserve" class="oac_no_warn">
SELECT FIRST_NAME, LAST_NAME, DEPARTMENT_ID
FROM EMPLOYEES
<span class="bold">WHERE DEPARTMENT_ID = 90</span>;
</pre>
<p>Result is similar to:</p>
<pre xml:space="preserve" class="oac_no_warn">
FIRST_NAME           LAST_NAME                 DEPARTMENT_ID
-------------------- ------------------------- -------------
Steven               King                                 90
Neena                Kochhar                              90
Lex                  De Haan                              90
</pre></div>

<p>The query in the following example selects data only for employees in departments 100, 110, and 120.</p>
<div class="example"><a id="CEGDAAFC" name="CEGDAAFC"></a><a id="TDDDG133" name="TDDDG133"></a>
<p class="titleinexample">Selecting Data from Specified Departments</p>
<pre xml:space="preserve" class="oac_no_warn">
SELECT FIRST_NAME, LAST_NAME, DEPARTMENT_ID
FROM EMPLOYEES
<span class="bold">WHERE DEPARTMENT_ID IN (100, 110, 120)</span>;
</pre>
<p>Result is similar to:</p>
<pre xml:space="preserve" class="oac_no_warn">
FIRST_NAME           LAST_NAME                 DEPARTMENT_ID
-------------------- ------------------------- -------------
John                 Chen                                100
Daniel               Faviet                              100
William              Gietz                               110
Nancy                Greenberg                           100
Shelley              Higgins                             110
Luis                 Popp                                100
Ismael               Sciarra                             100
Jose Manuel          Urman                               100
 
8 rows selected.
</pre>
<p>There are no employees in department 120.</p>
</div>

<p>The query in the following example selects data only for employees whose last names start with "Ma".</p>
<div class="example"><a id="CEGCHAFG" name="CEGCHAFG"></a><a id="TDDDG134" name="TDDDG134"></a>
<p class="titleinexample">Selecting Data for Last Names that Start with the Same Substring</p>
<pre xml:space="preserve" class="oac_no_warn">
SELECT FIRST_NAME, LAST_NAME
FROM EMPLOYEES
<span class="bold">WHERE LAST_NAME LIKE 'Ma%'</span>;
</pre>
<p>Result is similar to:</p>
<pre xml:space="preserve" class="oac_no_warn">
FIRST_NAME           LAST_NAME
-------------------- -------------------------
Jason                Mallin
Steven               Markle
James                Marlow
Mattea               Marvins
Randall              Matos
Susan                Mavris
 
6 rows selected.
</pre></div>

<p>The query in the following example selects data only for employees whose last names include "ma".</p>
<div class="example"><a id="CEGDHBII" name="CEGDHBII"></a><a id="TDDDG135" name="TDDDG135"></a>
<p class="titleinexample">Selecting Data for Last Names that Include the Same Substring</p>
<pre xml:space="preserve" class="oac_no_warn">
SELECT FIRST_NAME, LAST_NAME
FROM EMPLOYEES
<span class="bold">WHERE LAST_NAME LIKE '%ma%'</span>;
</pre>
<p>Result is similar to:</p>
<pre xml:space="preserve" class="oac_no_warn">
FIRST_NAME           LAST_NAME
-------------------- -------------------------
Sundita              Kumar
Jose Manuel          Urman
Shanta               Vollman
</pre></div>

<p>The query in the following example tests for two conditions&mdash;whether the salary is at least 11000, and whether the commission percentage is not null.</p>
<div class="example"><a id="CEGDADFJ" name="CEGDADFJ"></a><a id="TDDDG136" name="TDDDG136"></a>
<p class="titleinexample">Selecting Data that Satisfies Two Conditions</p>
<pre xml:space="preserve" class="oac_no_warn">
SELECT FIRST_NAME, LAST_NAME, SALARY, COMMISSION_PCT "%"
FROM EMPLOYEES
<span class="bold">WHERE (SALARY &gt;= 11000) AND (COMMISSION_PCT IS NOT NULL)</span>;
</pre>
<p>Result is similar to:</p>
<pre xml:space="preserve" class="oac_no_warn">
FIRST_NAME           LAST_NAME                     SALARY          %
-------------------- ------------------------- ---------- ----------
John                 Russell                        14000         .4
Karen                Partners                       13500         .3
Alberto              Errazuriz                      12000         .3
Gerald               Cambrault                      11000         .3
Lisa                 Ozer                           11500        .25
Ellen                Abel                           11000         .3
 
6 rows selected.
</pre></div>

<div class="helpinfonotealso">
<h2>Related Topics</h2>
<p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=SQLRF01702','newWindow').focus()"><span class="italic">Oracle Database SQL Language Reference</span></a> for more information about the <code>SELECT</code> statement, including the <code>WHERE</code> clause</p>
<p><a href="javascript:open('http://www.oracle.com/pls/db112/lookup?id=SQLRF005','newWindow').focus()"><span class="italic">Oracle Database SQL Language Reference</span></a> for more information about SQL conditions</p>
<p><a href="tdddg_selecting.htm#CHDHHAFA">Selecting Table Data</a></p>
</div>
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