| author | Dominic Pinkman <Dominic.Pinkman@Nokia.com> |
| Fri, 22 Jan 2010 18:26:19 +0000 | |
| changeset 1 | 25a17d01db0c |
| child 3 | 46218c8b8afa |
| permissions | -rw-r--r-- |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
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<?xml version="1.0" encoding="utf-8"?> |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
|
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. --> |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
|
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<!-- This component and the accompanying materials are made available under the terms of the License |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
|
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"Eclipse Public License v1.0" which accompanies this distribution, |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
|
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
|
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<!-- Initial Contributors: |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
|
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Nokia Corporation - initial contribution. |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
|
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Contributors: |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
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--> |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
|
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<!DOCTYPE concept |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
|
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PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
|
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<concept xml:lang="en" id="GUID-F5B0FE6A-6DE6-56B5-89A5-684CD2602B40"><title>Implementation limits</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>The number of tables in a database is limited only by available resources.</p> <p>The number of columns in a table is usually limited by a maximum record size of 8200 bytes (just over 8Kb), e.g. a table could have 64K not-null <codeph>Bit</codeph> columns, 32 <codeph>Text8[255]</codeph> columns, 100 <codeph>Text8[80]</codeph> columns, or 32 <codeph>LongText8</codeph> columns. </p> <p>Each table can have up to 32 indexes. Index keys can contain any number of key columns, but the total size of the key must not exceed 248 bytes for unique indexes, and 244 bytes for non-unique indexes.</p> <p>The number of rows in a table is practically limited by available resources.</p> <p>The maximum size of a transaction is limited by available memory.</p> <section><title>See also</title> <p><xref href="GUID-47419CFB-163D-5A4E-8A00-C73773353BDF.dita">Column type characteristics</xref> and <xref href="GUID-785B2F0B-E7E6-5DAE-98F1-6C32BED25964.dita">Database storage overhead</xref>.</p> </section> </conbody></concept> |