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.

What is DESC command in Oracle?

The DESCRIBE command enables you to describe objects recursively to the depth level set in the SET DESCRIBE command. You can also display the line number and indentation of the attribute or column name when an object contains multiple object types.

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

To view tables:

In the Connections navigator in SQL Developer, navigate to the Tables node for the schema that includes the table you want to display. If the view is in your own schema, navigate to the Tables node in your schema.
Open the Tables node.
Click the name of the table that you want to display.

What is 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. ALTER TABLE , CREATE TABLE , SHOW TABLES.

How do you describe a database table?

In relational databases, and flat file databases, a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows, the cell being the unit where a row and column intersect. A table has a specified number of columns, but can have any number of rows.

What is describe command in SQL?

How do I get table description in SQL Developer?

To view table data:

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

What defines the structure of the table?

It consists of columns and rows. In relational databases, and flat file databases, a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows, the cell being the unit where a row and column intersect.

How do you describe a table?

Let’s go through the main points that will help you on your road to describing a table in no time.

Summarise the table.
Divide the data.
Model Answer.
Make your point clearly.
Compare & contrast with exceptions.
Model answer analysis.
Points to remember.
Be a master and prepare fully with these tips.

What is describe table in SQL Server?

DESCRIBE means to show the information in detail. Since we have several tables in our SQL Server database, we will need a command to show a table’s structure, such as column names, data types, constraints on column names, etc.

How do you describe a table in SQL?

SQL tables are comprised of table rows and columns. Table columns are responsible for storing many different types of data, like numbers, texts, dates, and even files.

What is table structure in SQL?

Table Structure in SQL Server. A table is contained in one or more partitions and each partition contains data rows in either a heap or a clustered index structure. The pages of the heap or clustered index are managed in one or more allocation units, depending on the column types in the data rows.

What are some SQL commands?

The commands are CREATE, ALTER, DROP, RENAME, and TRUNCATE. Data Manipulation Language (DML) – These SQL commands are used for storing, retrieving, modifying, and deleting data. These Data Manipulation Language commands are: SELECT, INSERT, UPDATE, and DELETE.

What is a command in SQL?

SQL commands are declarative sentences or ‘orders’ executed against a SQL database. The typical command is comprised of several different components including clauses, functions, expressions, or objects but the only required components are a SQL Clause and the data object (a database or a database table).