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 do you describe a column in 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 do you describe data in SQL?

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. For more information, see the SET command.

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

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

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. DROP TABLE , ALTER TABLE , CREATE TABLE , SHOW TABLES. DESCRIBE VIEW.

What is describe table in MySQL?

DESCRIBE means to show the information in detail. Since we have tables in MySQL, so we will use the DESCRIBE command to show the structure of our table, such as column names, constraints on column names, etc. The DESC command is a short form of the DESCRIBE command.

How do you describe a database?

A database is an organized collection of structured information, or data, typically stored electronically in a computer system. A database is usually controlled by a database management system (DBMS).

How do you describe a view in SQL Server?

In Object Explorer, expand the database that contains the view to which you want to view the properties, and then expand the Views folder. Right-click the view of which you want to view the properties and select View Dependencies. Select Objects that depend on [view name] to display the objects that refer to the view.

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.

How do you define a column in SQL Server?

Using the Information Schema

  1. SELECT TABLE_NAME FROM INFORMATION_SCHEMA. TABLES.
  2. SELECT TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA. COLUMNS.
  3. SELECT COLUMN_NAME FROM INFORMATION_SCHEMA. COLUMNS WHERE TABLE_NAME = ‘Album’
  4. IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.
  5. IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.

How do you define a column in a SQL query?

For a query, you must call one of the define procedures ( DEFINE_COLUMN, DEFINE_COLUMN_LONG, or DEFINE_ARRAY) to specify the variables that are to receive the SELECT values, much the way an INTO clause does for a static query.

How to declare local variable in DBMS_SQL?

You can declare a local variable as one of the following table-item types, which are defined as public types in DBMS_SQL. This procedures binds a given value or set of values to a given variable in a cursor, based on the name of the variable in the statement.

What is an example of a dynamic SQL statement?

For example, dynamic SQL lets you create a procedure that operates on a table whose name is not known until runtime. Native Dynamic SQL is an alternative to DBMS_SQL that lets you place dynamic SQL statements directly into PL/SQL blocks. In most situations, Native Dynamic SQL is easier to use and performs better than DBMS_SQL.

What is the cursor column description procedure in DBMS_SQL?

This procedure describes the columns for a cursor opened and parsed through DBMS_SQL. Describe table to fill in with the description of each of the columns of the query