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

Posted on by David Darling

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 do you get DDL of a table in Oracle?

  1. Statement 1. CREATE TABLE My_Table (COLUMN1 VARCHAR2(1), COLUMN2 NUMBER(1)) Table created.
  2. Statement 2. BEGIN DBMS_METADATA. SET_TRANSFORM_PARAM(DBMS_METADATA.
  3. Statement 3. select DBMS_METADATA.GET_DDL(object_type, object_name) from user_objects where object_type = ‘TABLE’ and object_name = ‘MY_TABLE’

How do I get 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 DESC a table in SQL?

[DESCRIBE | DESC] TABLE{name}[ TYPE = (STAGE | COLUMNS) ]; Here, the {name} defines an identifier for the particular table mentioned to describe it. We can enclose the whole string using double quotes which are case-sensitive when the identifier includes spaces or special characters.

How we can obtain the definition of Emp_view?

SELECT TEXT FROM user_views WHERE view_name= ‘EMP_VIEW’; Option D.

How do you find DDL?

To generate a DDL statement:

  1. On the Workspace home page, click the SQL Workshop.
  2. Click Utilities.
  3. Click Generate DDL. The Generate DDL page appears.
  4. Click Create Script. The Generate DDL Wizard appears.
  5. Select a database schema and click Next.
  6. Define the object type:
  7. Click Generate DDL.

How can we describe table?

Describes either the columns in a table or the current values, as well as the default values, for the stage properties for a table. DESCRIBE can be abbreviated to DESC.

What command retrieves data from the database?

SQL SELECT command is used to retrieve data from a database.

How do I get DDL in SQL?

4.2 Generating DDL

  1. On the Workspace home page, click the SQL Workshop.
  2. Click Utilities.
  3. Click Generate DDL. The Generate DDL page appears.
  4. Click Create Script. The Generate DDL Wizard appears.
  5. Select a database schema and click Next.
  6. Define the object type: Output – Specify an output format.
  7. Click Generate DDL.

Which command is used to get the description of table?

Since in database we have tables, that’s why we use DESCRIBE or DESC(both are same) command to describe the structure of a table. Syntax: DESCRIBE one; OR DESC one; Note : We can use either DESCRIBE or DESC(both are Case Insensitive).

How can I get query from a table definition in SQL Server?

Using SQL Server Management Studio

  1. In Object Explorer, select the table for which you want to show properties.
  2. Right-click the table and choose Properties from the shortcut menu. For more information, see Table Properties – SSMS.

Which statement is used to get data into a table?

The INSERT INTO statement is used to insert new records in a table.

Which command is used to retrieve data from table?

The SQL SELECT statement is used to retrieve records from one or more tables in your SQL database.

How do you find a table definition?

In Object Explorer, select the table for which you want to show properties. Right-click the table and choose Properties from the shortcut menu. For more information, see Table Properties – SSMS.