1<?xml version="1.0" encoding="UTF-8"?> 2 3 4<!--*********************************************************** 5 * 6 * Licensed to the Apache Software Foundation (ASF) under one 7 * or more contributor license agreements. See the NOTICE file 8 * distributed with this work for additional information 9 * regarding copyright ownership. The ASF licenses this file 10 * to you under the Apache License, Version 2.0 (the 11 * "License"); you may not use this file except in compliance 12 * with the License. You may obtain a copy of the License at 13 * 14 * http://www.apache.org/licenses/LICENSE-2.0 15 * 16 * Unless required by applicable law or agreed to in writing, 17 * software distributed under the License is distributed on an 18 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 19 * KIND, either express or implied. See the License for the 20 * specific language governing permissions and limitations 21 * under the License. 22 * 23 ***********************************************************--> 24 25 26 27 28 29<helpdocument version="1.0"> 30<meta> 31<topic id="textsharedexplorerdatabasetablewizard03xml" indexer="include" status="PUBLISH"> 32<title id="tit" xml-lang="en-US">Table Wizard - Set Primary Key</title> 33<filename>/text/shared/explorer/database/tablewizard03.xhp</filename> 34</topic> 35<history> 36<created date="2004-07-06T15:25:35">UFI: new Table Wizard page 3</created> 37<lastedited date="2005-11-18T09:50:11">YJ: checked</lastedited> 38</history> 39</meta> 40<body> 41<section id="setprimary"> 42<paragraph role="heading" id="par_idN10546" xml-lang="en-US" level="1" l10n="NEW"><link href="text/shared/explorer/database/tablewizard03.xhp">Table Wizard - Set Primary Key</link></paragraph> 43<paragraph role="paragraph" id="par_idN10556" xml-lang="en-US" l10n="NEW">Specifies a field in the table to be used as a primary key.</paragraph> 44</section> 45<bookmark xml-lang="en-US" branch="hid/WIZARDS_HID_DLGTABLE_CHK_USEPRIMEKEY" id="bm_id2796411" localize="false"/> 46<paragraph role="heading" id="par_idN10559" xml-lang="en-US" level="2" l10n="NEW">Create a primary key</paragraph> 47<paragraph role="paragraph" id="par_idN1055D" xml-lang="en-US" l10n="NEW"><ahelp hid=".">Select to create a primary key. Add a primary key to every database table to uniquely identify each record. For some database systems within %PRODUCTNAME, a primary key is mandatory for editing the tables.</ahelp></paragraph> 48<bookmark xml-lang="en-US" branch="hid/WIZARDS_HID_DLGTABLE_OPT_PK_AUTOMATIC" id="bm_id1500289" localize="false"/> 49<paragraph role="heading" id="par_idN10560" xml-lang="en-US" level="3" l10n="NEW">Automatically add a primary key</paragraph> 50<paragraph role="paragraph" id="par_idN10564" xml-lang="en-US" l10n="NEW"><ahelp hid=".">Select to automatically add a primary key as an additional field.</ahelp></paragraph> 51<bookmark xml-lang="en-US" branch="hid/WIZARDS_HID_DLGTABLE_OPT_PK_SINGLE" id="bm_id9485152.00000001" localize="false"/> 52<paragraph role="heading" id="par_idN10567" xml-lang="en-US" level="3" l10n="NEW">Use an existing field as a primary key</paragraph> 53<paragraph role="paragraph" id="par_idN1056B" xml-lang="en-US" l10n="NEW"><ahelp hid=".">Select to use an existing field with unique values as a primary key.</ahelp></paragraph> 54<bookmark xml-lang="en-US" branch="hid/WIZARDS_HID_DLGTABLE_LB_PK_FIELDNAME" id="bm_id6801049" localize="false"/> 55<paragraph role="heading" id="par_idN1056E" xml-lang="en-US" level="4" l10n="NEW">Field name</paragraph> 56<paragraph role="paragraph" id="par_idN10572" xml-lang="en-US" l10n="NEW"><ahelp hid=".">Select the field name.</ahelp></paragraph> 57<bookmark xml-lang="en-US" branch="hid/WIZARDS_HID_DLGTABLE_CK_PK_AUTOVALUE" id="bm_id8796349" localize="false"/> 58<bookmark xml-lang="en-US" branch="hid/WIZARDS_HID_DLGTABLE_CK_PK_AUTOVALUE_AUTOMATIC" id="bm_id1406292" localize="false"/> 59<paragraph role="heading" id="par_idN10575" xml-lang="en-US" level="4" l10n="NEW">Auto value</paragraph> 60<paragraph role="paragraph" id="par_idN10579" xml-lang="en-US" l10n="NEW"><ahelp hid=".">Select to automatically insert a value and increment the field's value for each new record. The database must support automatic incrementation in order to use the <emph>Auto value</emph> feature.</ahelp></paragraph> 61<bookmark xml-lang="en-US" branch="hid/WIZARDS_HID_DLGTABLE_OPT_PK_SEVERAL" id="bm_id130008" localize="false"/> 62<paragraph role="heading" id="par_idN1057C" xml-lang="en-US" level="3" l10n="NEW">Define primary key by several fields</paragraph> 63<paragraph role="paragraph" id="par_idN10580" xml-lang="en-US" l10n="NEW"><ahelp hid=".">Select to create a primary key from a combination of several existing fields.</ahelp></paragraph> 64<bookmark xml-lang="en-US" branch="hid/WIZARDS_HID_DLGTABLE_FIELDS_PK_AVAILABLE" id="bm_id2555009" localize="false"/> 65<paragraph role="heading" id="par_idN10583" xml-lang="en-US" level="4" l10n="NEW">Available fields</paragraph> 66<paragraph role="paragraph" id="par_idN10587" xml-lang="en-US" l10n="NEW"><ahelp hid=".">Select a field and click > to add it to the list of primary key fields.</ahelp></paragraph> 67<embed href="text/shared/autopi/01090100.xhp#uebernehmen"/> 68<embed href="text/shared/autopi/01090100.xhp#entfernen"/> 69<bookmark xml-lang="en-US" branch="hid/WIZARDS_HID_DLGTABLE_CMDREMOVE_PK_SELECTED" id="bm_id8829309" localize="false"/> 70<paragraph role="heading" id="par_idN1059A" xml-lang="en-US" level="4" l10n="NEW">Primary key fields</paragraph> 71<paragraph role="paragraph" id="par_idN1059E" xml-lang="en-US" l10n="NEW"><ahelp hid=".">Select a field and click < to remove it from the list of primary key fields. The primary key is created as a concatenation of the fields in this list, from top to bottom.</ahelp></paragraph> 72<paragraph role="paragraph" id="par_idN105A1" xml-lang="en-US" l10n="NEW"><link href="text/shared/explorer/database/tablewizard04.xhp" name="Table Wizard - Create table">Table Wizard - Create table</link></paragraph> 73</body> 74</helpdocument> 75