How can use column name in case statement in SQL?

How can use column name in case statement in SQL?

1. If you write only equal condition just: Select Case columns1 When 0 then ‘Value1’ when 1 then ‘Value2’ else ‘Unknown’ End.
2. If you want to write greater , Less then or equal you must do like this: Select Case When [ColumnsName] >0 then ‘value1’ When [ColumnsName]=0 Or [ColumnsName]<0 then ‘value2’ Else ‘Unkownvalue’ End.

Which query can be used to retrieve the column name?

The following query will give the table’s column names: SELECT column_name FROM INFORMATION_SCHEMA. COLUMNS. WHERE TABLE_NAME = ‘News’

How do I get a list of column names in SQL?

Getting The List Of Column Names Of A Table In SQL Server

1. Information Schema View Method. You can use the information schema view INFORMATION_SCHEMA.
2. System Stored Procedure SP_COLUMNS Method. Another method is to use the system stored procedure SP_COLUMNS.
3. SYS.COLUMNS Method.
4. SP_HELP Method.

Can we use alias in case statement?

The Case statement in SQL is mostly used in a case with equality expressions. The SQL Case statement is usually inside of a Select list to alter the output. Another way to do aliases is to put the name of the alias first followed by equals SQL Case on “MaritalStatus” as in the example above.

Can we write SELECT statement in case?

CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as select_list, IN, WHERE, ORDER BY, and HAVING.

How do I add a column to a SELECT query?

Using SQL Server Management Studio

1. In Object Explorer, right-click the table to which you want to add columns and choose Design.
2. Click in the first blank cell in the Column Name column.
3. Type the column name in the cell.
4. Press the TAB key to go to the Data Type cell and select a data type from the dropdown.

How do I find a column name for a database?

Use this Query to search Tables & Views:

1. SELECT COL_NAME AS ‘Column_Name’, TAB_NAME AS ‘Table_Name’
2. FROM INFORMATION_SCHEMA.COLUMNS.
3. WHERE COL_NAME LIKE ‘%MyName%’
4. ORDER BY Table_Name, Column_Name;

How do I find a column in mysql?

Below Mysql query will get you all the tables where the specified column occurs in some database. SELECT table_name, column_name from information_schema. columns WHERE column_name LIKE ‘%column_name_to_search%’; Remember, don’t use % before column_name_to_search if you know the starting characters of that column.

How do I get a list of column names in mysql?

Get column names from a table using INFORMATION SCHEMA

1. SELECT COLUMN_NAME.
2. FROM INFORMATION_SCHEMA. COLUMNS.
3. WHERE.
4. AND TABLE_NAME = ‘sale_details’ ;

How do I find a particular column name in all tables?

Can we write select statement in case?

How do you write a select query in a case statement?

insert into table table_name ( value1, value 2,value 3) select (value 1,value2 , case value3 when value1 = ‘somevalue’ &&* value2 = ‘somevalue’ then ‘x’ else ‘y’ End from table_name.