How can we send dynamic column name in SQL query?

How can we send dynamic column name in SQL query?

Insert the data into a temp table which you have created with generic column names, and then use sp_rename to change then names of the columns. Don’t get lost in dynamic SQL.

What is dynamic column in SQL?

Dynamic columns allow one to store different sets of columns for each row in a table. It works by storing a set of columns in a blob and having a small set of functions to manipulate it. Dynamic columns should be used when it is not possible to use regular columns.

What is dynamic query in SQL?

Dynamic SQL is a programming technique that enables you to build SQL statements dynamically at runtime. You can create more general purpose, flexible applications by using dynamic SQL because the full text of a SQL statement may be unknown at compilation.

How do I create a dynamic column in a table?

Adding Columns in #Temp table dynamically:

1. DECLARE @ColName nvarchar(100)
2. DECLARE @DynamicSQL nvarchar(250)
3. SET @ColName=’newColumn’
4. SET @DynamicSQL = ‘ALTER TABLE #Mytemp ADD [‘+ CAST(@ColName AS NVARCHAR(100)) +’] NVARCHAR(100) NULL’
5. CREATE TABLE #tmp(ID INT IDENTITY(1,1), Col1 nvarchar(100), Col2 int)

How do I select a dynamic column in mysql?

Select dynamic Columns in mysql

1. All Criterias: SELECT distinct(CRITERIA_ID) FROM stackoverflow. Results;
2. All Types SELECT distinct(TYPE) FROM stackoverflow. Results;

How do I change column headers in SQL?

Using SQL Server Management Studio

1. In Object Explorer, connect to an instance of Database Engine.
2. In Object Explorer, right-click the table in which you want to rename columns and choose Rename.
3. Type a new column name.

What is N in dynamic SQL?

Use prefix N with the sp_executesql to use dynamic SQL as a Unicode string. Steps to use Dynamic SQL : Declare two variables, @var1 for holding the name of the table and @var 2 for holding the dynamic SQL : DECLARE @var1 NVARCHAR(MAX), @var2 NVARCHAR(MAX);

What is static and dynamic SQL?

Static or Embedded SQL are SQL statements in an application that do not change at runtime and, therefore, can be hard-coded into the application. Dynamic SQL is SQL statements that are constructed at runtime; for example, the application may allow users to enter their own queries.