forked from docs/doc-exports
Lu, Huayi
346ac31da9
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Reviewed-by: Jiang, Beibei <beibei.jiang@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
136 lines
5.5 KiB
HTML
136 lines
5.5 KiB
HTML
<a name="EN-US_TOPIC_0000001188521162"></a><a name="EN-US_TOPIC_0000001188521162"></a>
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<h1 class="topictitle1">Index Migration</h1>
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<div id="body8662426"><div class="section" id="EN-US_TOPIC_0000001188521162__en-us_topic_0238518437_en-us_topic_0237362517_en-us_topic_0213479757_section15658154014450"><h4 class="sectiontitle">Unique Index</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001188521162__en-us_topic_0238518437_en-us_topic_0237362517_en-us_topic_0213479757_table425875517593" frame="border" border="1" rules="all"><thead align="left"><tr id="EN-US_TOPIC_0000001188521162__en-us_topic_0238518437_en-us_topic_0237362517_en-us_topic_0213479757_row825845545917"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.1.2.1.3.1.1"><p id="EN-US_TOPIC_0000001188521162__en-us_topic_0238518437_en-us_topic_0237362517_en-us_topic_0213479757_p16760432192811"><strong id="EN-US_TOPIC_0000001188521162__en-us_topic_0237712350_b825811552594">Netezza Syntax</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.1.2.1.3.1.2"><p id="EN-US_TOPIC_0000001188521162__en-us_topic_0238518437_en-us_topic_0237362517_en-us_topic_0213479757_p1876019323281"><strong id="EN-US_TOPIC_0000001188521162__en-us_topic_0237712350_b81851635102616">Syntax After Migration</strong></p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="EN-US_TOPIC_0000001188521162__en-us_topic_0238518437_en-us_topic_0237362517_en-us_topic_0213479757_row122583559590"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.1.2.1.3.1.1 "><pre class="screen" id="EN-US_TOPIC_0000001188521162__en-us_topic_0238518437_en-us_topic_0237362517_en-us_topic_0213479757_screen22155374468">CREATE TABLE prod
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(
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prod_no number(6) not null unique,
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prod_name national character varying(32) not null,
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prod_desc clob
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)
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DISTRIBUTE ON (prod_no)
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ORGANIZE ON (prod_no, prod_name)
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;
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----------
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CREATE TABLE prod
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(
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prod_no number(6) not null
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CONSTRAINT UQ_prod unique,
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prod_name national character varying(32) not null,
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prod_desc clob
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)
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DISTRIBUTE ON (prod_no)
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ORGANIZE ON (prod_no, prod_name)
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;
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----------
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CREATE TABLE prod
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(
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prod_no number(6) not null PRIMARY KEY,
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prod_name national character varying(32) not null,
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prod_desc clob
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)
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DISTRIBUTE ON (prod_no)
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ORGANIZE ON (prod_no, prod_name)
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;
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----------
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CREATE TABLE prod
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(
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prod_no number(6) not null,
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prod_name national character varying(32) not null,
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prod_desc clob,
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constraint uq_prod UNIQUE (prod_no)
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)
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DISTRIBUTE ON (prod_no)
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ORGANIZE ON (prod_no, prod_name)
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;
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----------
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CREATE TABLE prod
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(
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prod_no number(6) not null,
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prod_name national character varying(32) not null,
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prod_desc clob
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)
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DISTRIBUTE ON (prod_no)
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ORGANIZE ON (prod_no, prod_name)
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;
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ALTER TABLE prod
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ADD constraint uq_prod UNIQUE (prod_no);
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</pre>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.1.2.1.3.1.2 "><pre class="screen" id="EN-US_TOPIC_0000001188521162__en-us_topic_0238518437_en-us_topic_0237362517_en-us_topic_0213479757_screen758074210467">CREATE TABLE prod
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(
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prod_no number(6) not null /* unique */,
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prod_name national character varying(32) not null,
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prod_desc clob
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) WITH(ORIENTATION=COLUMN)
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DISTRIBUTE BY HASH (prod_no)
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/* ORGANIZE ON (prod_no, prod_name) */
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;
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----------
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CREATE TABLE prod
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(
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prod_no number(6) not null
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/* CONSTRAINT UQ_prod unique */,
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prod_name national character varying(32) not null,
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prod_desc clob
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) WITH(ORIENTATION=COLUMN)
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DISTRIBUTE BY HASH (prod_no)
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/* ORGANIZE ON (prod_no, prod_name) */
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;
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----------
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CREATE TABLE prod
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(
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prod_no number(6) not null /* PRIMARY KEY */,
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prod_name national character varying(32) not null,
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prod_desc clob
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) WITH(ORIENTATION=COLUMN)
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DISTRIBUTE BY HASH (prod_no)
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/* ORGANIZE ON (prod_no, prod_name) */
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;
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----------
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CREATE TABLE prod
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(
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prod_no number(6) not null,
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prod_name national character varying(32) not null,
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prod_desc clob /*,
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constraint uq_prod UNIQUE (prod_no) */
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) WITH(ORIENTATION=COLUMN)
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DISTRIBUTE BY HASH (prod_no)
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/* ORGANIZE ON (prod_no, prod_name)*/
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;
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----------
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CREATE TABLE prod
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(
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prod_no number(6) not null,
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prod_name national character varying(32) not null,
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prod_desc clob
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)
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DISTRIBUTE BY HASH (prod_no)
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/*ORGANIZE ON (prod_no, prod_name)*/
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;
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/*
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ALTER TABLE prod
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ADD constraint uq_prod UNIQUE (prod_no);
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*/</pre>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="note" id="EN-US_TOPIC_0000001188521162__en-us_topic_0238518437_en-us_topic_0237362517_en-us_topic_0213479757_note18989856184717"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001188521162__en-us_topic_0238518437_en-us_topic_0237362517_en-us_topic_0213479757_p18252137346">This feature is applicable only for COLUMN store. For ROW store, Unique Index should not be commented.</p>
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</div></div>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_07_0682.html">Netezza Syntax Migration</a></div>
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</div>
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</div>
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