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What is DESC statement in SQL?

What is DESC statement in SQL?

The DESC command is used to sort the data returned in descending order.

How do I get table description in SQL Developer?

To view tables:

  1. 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.
  2. Open the Tables node.
  3. Click the name of the table that you want to display.

When DESC command is used in Oracle?

Describe an Oracle Table, View, Synonym, package or Function.

How can I see table description 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)

What does DESC table name do?

So desc or describe command shows the structure of table which include name of the column, data-type of column and the nullability which means, that column can contain null values or not.

What is table structure in SQL?

The tables are the database objects that behave as containers for the data, in which the data will be logically organized in rows and columns format. Each row is considered as an entity that is described by the columns that hold the attributes of the entity.

Why can’ti see tables in SQL Developer?

Post updated November 12, 2018. The answer is simple – you can’t see any tables, because you don’t OWN any tables. In this case EMPLOYEES in your SCHEMA – the collection of objects own by your Oracle user account – points to a TABLE in HR called EMPLOYEES. …

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.

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.

When to use DESC to describe table in SQL?

SQL DESCRIBE TABLE is a SQL statement that is accountable for telling something about a specific table in the database. If we want to show the structure of a database table or tables in the server then, we will use the SQL command DESCRIBE or other keyword DESC which is identical to DESCRIBE one.

How is the DESC keyword used in SQL?

SQL DESC Keyword ❮ SQL Keywords Reference DESC The DESCcommand is used to sort the data returned in descending order. The following SQL statement selects all the columns from the “Customers” table, sorted descending by the “CustomerName” column:

What does DESC [ Ribe ] mean in SQL?

DESC[RIBE] (SQL*Plus command) Describe an Oracle Table, View, Synonym, package or Function. Note that because this is a SQL*Plus command you don’t need to terminate it with a semicolon. Syntax: e.g. The DESCRIBE command allows you to describe objects recursively to the depth level set in the SET DESCRIBE command.

How is the desccommand used in a SQL statement?

The DESCcommand is used to sort the data returned in descending order. The following SQL statement selects all the columns from the “Customers” table, sorted descending by the “CustomerName” column: Example SELECT * FROM Customers

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Ruth Doyle