We have described the table name as stud1 using the OS command prompt. We are describing the table name as stud1 by using \d+ command.īelow example shows that describe the table by using the OS command prompt. We have describing the table name as stud1 by using \d command.īelow example shows that describe the table by using the \d+ command. Example #1īelow example shows that describe the table by using the \d command. Also, we can describe the table by using the OS command prompt.īelow are the example to describe a table. For describing the table in PostgreSQL, we need to connect the server using psql.We can also describe the table by using the pg_admin GUI tool.This catalog table is very important to fetch the information related to all the tables. We can also use limit options to describe all the table from the information_lumnscatalog table.We can use the metadata command and information_lumnscatalog table to describe the table in PostgreSQL.Select column_name from information_lumns where table_name = 'name_of_table' Basically, we are using the below command to describe the table in PostgreSQL as follows:.In the second example, we are using the db_test user to describe a table, using the db_test user, it’s possible to describe the table in PostgreSQL because we do not need to give any privileges to describe the table.In below the first example we check the privileges of a user, db_test user doesn’t have any privileges on the database server.Below example shows that we have no need to provide any privilege to describe the table.To describe the table in PostgreSQL, we have no need to provide any privileges to the user, any user can describe the table.Where condition is an optional parameter while using a columns table in PostgreSQL. Where condition: This condition is used to select the specified table to describe table structure in PostgreSQL.Columns table is very important while describing the table in PostgreSQL. Columns: This is columns table used to describe the table structure in PostgreSQL.It will describe the information of the table. Information schema: This is defined as the information schema columns table used to select the column from the columns table.It allows us to select a single or multiple tables from the columns table. Name of column: Selecting the name of a column from the columns table in PostgreSQL defines the process of retrieving the column names. We can select single as well as multiple tables from the columns table.
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