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====== How to write SQL Queries to explore database ====== | ====== How to write SQL Queries to explore database ====== | ||
- | Once the [[how to:dbconnection|connection]] is successful, 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 ]]. | + | 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_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]]. | ||
+ | |||