Oct 16, 2009 · If you want to find the columns of a table inside the currently selected database, then you can do this: SELECT COLUMN_NAME FROM information_schema.columns WHERE TABLE_NAME = 'my_table' AND TABLE_SCHEMA = DATABASE();

Select ALL columns. If you want to return all columns, without specifying every column name, you can use the SELECT * syntax:

Oct 27, 2018 · how to Show only a and e columns. Simply, by filtering the results in WHERE clause as. SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'rate_Structure' and COLUMN_NAME in ('a','e') -- You can also use: and (COLUMN_NAME = 'a' or COLUMN_NAME = 'e') ORDER BY ORDINAL_POSITION

Jun 28, 2009 · In SQL Server, you can select COLUMN_NAME from INFORMATION_SCHEMA.COLUMNS. Here is the code: SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='YourTableName'

Oct 10, 2021 · Finding unique column values is a common task in SQL when analysing data or ensuring data integrity. By using the DISTINCT clause, we can efficiently retrieve unique values from a specified column, avoiding duplicate results. In this article, we will explain the use of the DISTINCT clause with detai

In this tutorial, you will learn how to show columns of a table using the DESCRIBE statement and MySQL SHOW COLUMNS command.

Aug 4, 2024 · In this tutorial, we’ll explore several methods to retrieve column names in SQL. To begin with, we’ll cover the SHOW COLUMNS command, INFORMATION_SCHEMA, and the DESCRIBE statement in MySQL. After that, we’ll discuss INFORMATION_SCHEMA.COLUMNS, followed by the SYS.COLUMNS and SYS.TABLES views.

Jun 28, 2023 · To provide an overview, the following DBMS-specific techniques can be employed to list tables in SQL: MySQL and MariaDB users can use the SHOW TABLES command. PostgreSQL has the \dt command in the psql command line. SQL Server users can leverage the sys.tables feature or query from the INFORMATION_SCHEMA.TABLES table.

Jun 20, 2019 · Here is an example of how to use it and get the names of all the columns in a specific table. SELECT COLUMN_NAME, ORDINAL_POSITION, DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'Orders' ORDER BY 2 GO

Sep 29, 2011 · The case is simple: You have a MySQL database where you have only an SQL query interface and you want to know the database structure with queries. You can list tables with show tables; command, but how do you see the individual column names? (SELECT statement shows Empty set if no data is present and can NOT be thus used.)