How do I view table description in SQL Developer?

How do I view table description in SQL Developer?

To view table data:

1. In SQL Developer, search for a table as described in “Viewing Tables”.
2. Select the table that contains the data.
3. In the object pane, click the Data subtab.
4. (Optional) Click a column name to sort the data by that column.
5. (Optional) Click the SQL subtab to view the SQL statement that defines the table.

How do you get the description of a table in Oracle?

For a list of tables in the current schema, use the Show Tables command. For a list of views in the current schema, use the Show Views command. For a list of available schemas, use the Show Schemas command. If the table or view is in a particular schema, qualify it with the schema name.

How can I see the structure of a table in PL SQL?

To view the properties and data of the EMPLOYEES table:

1. In the Connections pane, expand Tables.
2. Select the table EMPLOYEES.
3. In the right frame, click the tab Data.
4. In the right frame, click the tab Constraints.
5. Explore the other properties by clicking on the appropriate tabs.

Where can I find explain plan in PL SQL Developer?

In SQL Developer, you don’t have to use EXPLAIN PLAN FOR statement. Press F10 or click the Explain Plan icon. It will be then displayed in the Explain Plan window.

How do I find the description of a table in SQL?

SQL Server: sp_help table_name (or sp_columns table_name for only columns) Oracle DB2: desc table_name or describe table_name. MySQL: describe table_name (or show columns from table_name for only columns)

How can I see table description in SQL Server?

Just select table and press Alt + F1 , it will show all the information about table like Column name, datatype, keys etc.

How do I find the description of a table in SQL Server?

How do I list tables in SQL Developer?

The easiest way to see all tables in the database is to query the all_tables view: SELECT owner, table_name FROM all_tables; This will show the owner (the user) and the name of the table. You don’t need any special privileges to see this view, but it only shows tables that are accessible to you.

What is cardinality in Plsql?

Description. The Oracle/PLSQL CARDINALITY function returns the number of elements in a nested table.

How do you identify an explain plan?

Running EXPLAIN PLAN EXPLAIN PLAN FOR SELECT last_name FROM employees; This explains the plan into the PLAN_TABLE table. You can then select the execution plan from PLAN_TABLE . This is useful if you do not have any other plans in PLAN_TABLE , or if you only want to look at the last statement.