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--- how_to:writesqlqueries [2010/01/04 17:16]
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+++ how_to:writesqlqueries [2010/02/03 11:36] (current)
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@@ Line 1: / Line 1: @@
 ====== How to write SQL Queries to explore database ======
-Once the [[how to:dbconnection|connection]] is successful, the first simple feature is to explore the database or create SQL queries. Information on MSI database and its model is available [[http://biodev.extra.cea.fr/docs/irma/doku.php?id=msidb| here ]].
+Once you are opened an [[how to:opensession|MSI session]], you can explore the database by creating SQL queries. Information on MSI database and its model is available [[http://biodev.extra.cea.fr/docs/irma/doku.php?id=msidb| here ]].
-You can create new SQL files from hEIDI project (''File > New File'' menu then choose ''Empty File'' or directly ''New Empty File'' from hEIDI Project window) . It is also possible to select a Table under database connection and choose ''Veiw Data''.
+===== View data from a table =====
+It is possible to view data from a table like this:\\
+  * In the ''Services'' Window, select a database connection
+  * Expand the schema node of your choice, then the ''TABLES'' node
+  * Select a table, right-click and choose ''View data'' to display table values
 {{:sql_comment.png|}}
-** SQL queries sample **
+===== Create your own SQL query =====
+To create a new SQL file from an hEIDI project, select the ''File > New File'' menu, then choose ''SQL File'' under the ''Other'' Category.\\
+Specify a name and a project folder then ''Finish''. An empty SQL file appears on the screen. \\
+Select your database in the droplist at the top.\\
+{{:how_to:sqlquery_choosedb.png|}}
+When you query is written, you can execute it using the ''Run SQL'' icon:
+{{:how_to:sqlquery_execute1.png|}}
+If you have several queries in your file, you can select one to execute, then right-click on it and choose ''Run Selection'':
+{{:how_to:sqlquery_execute2.png|}}
+If your query executed successfully, the result will display in a table.\\
+If needed, see [[how_to:exportsqlresult|how to export an SQL result to a file]].

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