Sql show view

SQL CREATE VIEW Statement. A view contains rows and columns, just like a real table. The fields in a view are fields from one or more real tables in the database.

The INFORMATION_SCHEMA VIEWS Table”. Alternatively, you can also do a join between sys. SHOW CREATE VIEW view _name Description. Shows whether all columns are returned by the selected view. Dies wird beim Erstellen der Sicht festgelegt.

A view can contain all rows of a table or select rows from a table. Thanks to Madhivanan on his inputs in the original posts. Ask Question Asked years, months ago. SHOW VIEWS ¶ Lists the views , including secure views , for which you have access privileges.

The output returns view metadata and properties, ordered lexicographically by database, schema, and view name. Viewed 142k times 120. Its contents are the resultant of base table.

The VIEW can be treated as a base table and it can be. Unlike other show commands , there is no option to display a list of all the check constraints in the database. You must always provide a table name as part of the command.

Additionally, SSMS can be used to look at triggers that are scoped to views. The next screen capture shows those steps in order. At runtime, Oracle looks-up this definition in the data dictionary and executes the SQL. To see all the fields in a table (or view ) in Teradata, use either the SHOW or HELP syntax.

Using the SHOW syntax displays the code used to generate the view or table. In case you modify or remove a view by accident, you can get its backup from the arc folder. We can use the views to fetch the columns from one or more different tables at a time. In real life specifically views are used in Reporting purpose. I am going to show you three different methods to get the lists using GUI and command line tools.

Replace database_name with the actual database name. A relational database consists of multiple related tables e. When you want to see the data of these tables, you use the SELECT statement with JOIN or UNION clauses. You create a view by using the CREATE VIEW statement, followed by the SELECT statement.

So she decides to show how many extra shots and coconut milk substitute are being ordered on the company website as a promotion. Since the website is public, she does not want their web visitors possibly accessing other sensitive information in the sales table. Arithmetic expression has been used in the definition of the view. So this view is not updatable i. To execute query on this view.

For example, one of these VIEWs is called DBA_USERS which we describe below. Oracle stores these errors in a data dictionary view , ALL_ERRORS. You just need to query them.

A database view is a searchable object in a database that is defined by a query. Though a view doesn’t store data, some refer to a views as “virtual tables,” you can query a view like you can a table. Formatting is vital to database use.

This makes them convenient to.