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<task id="GUID-B38EBDBA-2A30-5595-9639-6AE58C530DCB" xml:lang="en"><title>Creating

a Database </title><shortdesc>This document shows you how to create a database for Symbian SQL. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>

<context id="GUID-9C6BDAAF-0547-51AF-8F47-5436C0D1697D"><p>Working with databases

is not possible until the database exists. In this tutorial you will learn

how to create a simple database. </p> <p>This tutorial uses code from the <xref href="GUID-C2FCE726-FD87-52BF-8AF8-7F54FB6D6CB1.dita">Basic SQL example application</xref>. </p> <p>The

SQL statement used for this tutorial is shown here: </p> <codeblock id="GUID-EA0CADFD-53BF-5599-AD76-92EB15A94E9B" xml:space="preserve">CREATE DATABASE \\Basic_db.db</codeblock> </context>

<steps id="GUID-65CD4149-1978-5FD9-84A3-ADACDE6C5B89">

<step id="GUID-3F8A65A1-7682-5C32-B92B-360CB923AA58"><cmd>Declare a constant

to hold the database handle: </cmd>

<info> <codeph>KDatabaseName</codeph> will be used when creating and accessing

the database. </info>

<stepxmp><codeblock id="GUID-7BAB1756-75A0-5C8A-B868-F8CD4BB3DEC1" xml:space="preserve">_LIT(KDatabaseName, "\\Basic_db.db");

_LIT(KDatabaseMsg,"\nCreating a database\n");

RSqlDatabase db;

CConsoleBase* iConsole;</codeblock> </stepxmp>

<stepresult>The objects and constants needed to create the database are now

ready. </stepresult>

</step>

<step id="GUID-677801E7-CCEB-5158-9853-5BFC800BA6C2"><cmd>Create the database: </cmd>

<info>You are telling Symbian SQL to execute the CREATE DATABASE command. </info>

<stepxmp><codeblock id="GUID-D3D95DE0-2C19-5216-8160-1E92CC4D7F20" xml:space="preserve">iConsole-&gt;Printf(KDatabaseMsg);

User::LeaveIfError(db.Create(KDatabaseName));

iConsole-&gt;Printf(KDatabaseName);</codeblock> </stepxmp>

<stepresult>The database now exists. <xref href="GUID-4688F6B7-E1B0-37CF-BAA2-C6BD103D4FDF.dita"><apiname>RSqlDatabase::Create()</apiname></xref> executes

the SQL engine command that makes the actual database. You can look in the <filepath>C:\</filepath> drive

on the device to confirm that the database object exists. </stepresult>

</step>

</steps>

<result id="GUID-9814EF32-E1BA-52F3-8D2C-F1776D9EF8FE"><p>The database now

exists. You can perform all the standard SQL operations on the database including

creating and populating a table, querying the database, editing records and

deleting the database, to name a few. </p> </result>

<example id="GUID-4D518486-E7E1-57DB-AD33-CFFD29CA5DBA"><title>Create database

example</title> <p>The following code snippet is from the example code used

for this tutorial: </p> <codeblock id="GUID-2DD57F74-DEC1-54AC-82B8-9A186EF7E0B2" xml:space="preserve">...

_LIT(KDatabaseName, "\\Basic_db.db");

_LIT(KDatabaseMsg,"\nCreating a database\n");

...

CConsoleBase* iConsole;

...

void CBasicSqlExample::CreateDatabaseL()

    {

    RSqlDatabase db;

    iConsole->Printf(KDatabaseMsg);

    //create the database

    User::LeaveIfError(db.Create(KDatabaseName));

    iConsole->Printf(KDatabaseName);

    CleanupClosePushL(db);

    ...

    }</codeblock> </example>

<postreq id="GUID-762047BF-ED5B-51EF-9B90-2E7B0E8A8A89"><p>Now that you have

created a database you need to add a table and populate it with some data.

The following will show you how: </p> <ul>

<li id="GUID-FBF36438-2EC4-5E58-A70A-4C255B9315B6"><p> <xref href="GUID-1D35F788-A470-5269-93E0-7C33A0013489.dita">Creating

a Table</xref>  </p> </li>

<li id="GUID-53C27AF6-6B97-53AB-B72D-5BD92AB33BA8"><p> <xref href="GUID-CCB9C61B-FB28-5CD9-A366-4A9584097897.dita">Inserting

Data into a Table</xref> </p> </li>

<li id="GUID-7674D43E-0F60-5C6A-9D5D-4E007B6A9BEB"><p> <xref href="GUID-B9A3B17E-BDEB-5F66-968C-080335A721AC.dita">Writing

from a Data Stream</xref>  </p> </li>

</ul> </postreq>

</taskbody><related-links>

<link href="GUID-22844C28-AB5B-5A6F-8863-7269464684B4.dita"><linktext>SQL Overview</linktext>

</link>

<link href="GUID-C2FCE726-FD87-52BF-8AF8-7F54FB6D6CB1.dita"><linktext>Basic SQL

Example                 Application</linktext></link>

</related-links></task>