133 lines
7.4 KiB
HTML
133 lines
7.4 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<meta name="dc.date" scheme="iso8601" content="2005-09-19" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow"/>
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="keywords" content="REVOKE (Sequence privileges) statement,
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REVOKE (Sequence privileges), SQL statements, ALL clause, ALL PRIVILEGES clause,
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ALTER clause, REVOKE (Sequence Privileges) statement, USAGE clause,
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ON SEQUENCE clause, in REVOKE (Sequence privileges) statement, sequence-name,
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FROM clause, authorization-name, PUBLIC clause, REVOKE (Sequence Privileges)" />
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<title>REVOKE (Sequence Privileges)</title>
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<link rel="stylesheet" type="text/css" href="ibmidwb.css" />
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<link rel="stylesheet" type="text/css" href="ic.css" />
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</head>
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<body>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<a name="rspriv"></a>
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<h2 id="rspriv"><a href="rbafzmst02.htm#ToC_1240">REVOKE (Sequence Privileges)</a></h2><a id="idx3055" name="idx3055"></a><a id="idx3056" name="idx3056"></a>
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<a name="revps"></a>
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<p id="revps">This form of the REVOKE statement removes the privileges on
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a sequence.</p>
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<a name="wq1701"></a>
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<h3 id="wq1701"><a href="rbafzmst02.htm#ToC_1241">Invocation</a></h3>
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<p>This statement can be embedded in an application program or issued interactively.
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It is an executable statement that can be dynamically prepared.</p>
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<a name="wq1702"></a>
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<h3 id="wq1702"><a href="rbafzmst02.htm#ToC_1242">Authorization</a></h3>
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<p>The privileges held by the authorization ID of the statement must include
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at least one of the following: </p>
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<ul>
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<li>For each sequence identified in the statement:
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<ul>
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<li>Every privilege specified in the statement</li>
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<li>The system authority of *OBJMGT on the sequence</li>
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<li>The system authority *EXECUTE on the library containing the sequence</li></ul></li>
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<li>Administrative authority</li></ul>
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<a name="wq1703"></a>
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<h3 id="wq1703"><a href="rbafzmst02.htm#ToC_1243">Syntax</a></h3>
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<a href="rbafzmstrspriv.htm#synsrevokes"><img src="c.gif" alt="Click to skip syntax diagram" /></a>
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<pre class="cgraphic"><span><img src="c.gif" alt="Read syntax diagram" longdesc="rbafzmstsyn373.htm"
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border="0" /></span><a href="#skipsyn-372"><img src="c.gif" alt="Skip visual syntax diagram"
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border="0" /></a> .-PRIVILEGES-.
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>>-REVOKE--+-ALL--+------------+-+--ON SEQUENCE----------------->
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| .-,---------. |
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| V | |
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'---+-ALTER-+-+-------'
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'-USAGE-'
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.-,-------------. .-,----------------------.
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V | V |
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>----<span class="italic">sequence-name</span>-+--FROM----+-<span class="italic">authorization-name</span>-+-+---------><
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'-PUBLIC-------------'
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</pre>
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<a name="skipsyn-372" id="skipsyn-372"></a>
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<a name="synsrevokes"></a>
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<h3 id="synsrevokes"><a href="rbafzmst02.htm#ToC_1244">Description</a></h3>
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<dl class="parml">
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<dt class="bold">ALL <span class="base">or</span> ALL PRIVILEGES</dt><a id="idx3057" name="idx3057"></a><a id="idx3058" name="idx3058"></a>
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<dd>Revokes one or more sequence privileges from each <span class="italic">authorization-name</span>. The privileges revoked are those privileges on the
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identified sequences that were granted to the <span class="italic">authorization-names</span>. Note that revoking ALL PRIVILEGES on a sequence is not the same as
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revoking the system authority of *ALL.
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<p>If you do not use ALL, you must
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use one or more of the keywords listed below. Each keyword revokes the privilege
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described.</p>
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</dd>
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<dt class="bold">ALTER </dt><a id="idx3059" name="idx3059"></a>
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<dd>Revokes the privilege to use the ALTER SEQUENCE, COMMENT, and LABEL
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statements on a sequence.
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</dd>
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<dt class="bold">USAGE </dt><a id="idx3060" name="idx3060"></a>
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<dd>Revokes the privilege to use the sequence in NEXT VALUE or PREVIOUS
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VALUE expressions.
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</dd>
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<dt class="bold">ON SEQUENCE <var class="pv">sequence-name</var> </dt><a id="idx3061" name="idx3061"></a><a id="idx3062" name="idx3062"></a>
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<dd>Identifies the sequences from which you are revoking privileges. The <span class="italic">sequence-name</span> must identify a sequence that exists at
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the current server.
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</dd>
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<dt class="bold">FROM </dt><a id="idx3063" name="idx3063"></a>
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<dd>Identifies from whom the privileges are revoked.
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<dl class="parml">
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<dt class="bold"><var class="pv">authorization-name,...</var> </dt><a id="idx3064" name="idx3064"></a>
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<dd>Lists one or more authorization IDs. Do not specify the same <span class="italic">authorization-name</span> more than once.
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</dd>
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<dt class="bold">PUBLIC </dt><a id="idx3065" name="idx3065"></a>
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<dd>Revokes the specified privileges from PUBLIC.
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</dd>
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</dl>
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</dd>
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</dl>
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<a name="wq1704"></a>
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<h3 id="wq1704"><a href="rbafzmst02.htm#ToC_1245">Notes</a></h3>
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<p><span class="bold">Multiple grants:</span> If you revoke a privilege on a sequence,
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it nullifies any grant of the privilege on that sequence, regardless of who
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granted it.</p>
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<p><span class="bold">Revoking WITH GRANT OPTION:</span> The only way to revoke
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the WITH GRANT OPTION is to revoke ALL.</p>
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<p><span class="bold">Privilege warning:</span> Revoking a specific privilege
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from a user does not necessarily prevent that user from performing an action
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that requires that privilege. For example, the user may still have the privilege
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through PUBLIC or administrative privileges.</p>
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<p><span class="bold">Corresponding system authorities:</span> When a sequence
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privilege is revoked, the corresponding system authorities are revoked. For
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information on the system authorities that correspond to SQL privileges see <a href="rbafzmstgntseqp.htm#gntseqp">GRANT (Sequence Privileges)</a>.</p>
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<a name="wq1705"></a>
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<h3 id="wq1705"><a href="rbafzmst02.htm#ToC_1246">Example</a></h3>
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<p>REVOKE the USAGE privilege from PUBLIC on a sequence called ORG_SEQ.</p>
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<pre class="xmp"><span class="bold">REVOKE USAGE</span>
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<span class="bold">ON SEQUENCE</span> ORG_SEQ
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<span class="bold">FROM PUBLIC</span></pre><a id="idx3066" name="idx3066"></a><a id="idx3067" name="idx3067"></a>
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<p></p>
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<hr /><br />
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