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Executing a SELECT based on column number instead of column name. DECLARE @cn nvarchar(100), @tmp_sql nvarchar(500) SET @cn = ( SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'YourTableName' AND ORDINAL_POSITION = '1') SET @tmp_sql = 'SELECT ' + @cn + ' FROM YourTableName' EXEC(@tmp_sql)
The SQL SELECT Statement. The SELECT statement is used to select data from a database. Example Get your own SQL Server. Return data from the Customers table: SELECT CustomerName, City FROM Customers; Try it Yourself » Syntax. SELECT column1, column2, ... FROM table_name;
3 dni temu · A. Use SELECT to retrieve rows and columns. The following example shows three code examples. This first code example returns all rows (no WHERE clause is specified) and all columns (using the *) from the Product table in the AdventureWorks2022 database. SQL. Copy.
12 kwi 2021 · In its most simple form, the SELECT clause has the following SQL syntax for a Microsoft SQL Server database: SELECT * FROM <TableName>; This SQL query will select all columns and all rows from the table.
The maximum number of expressions that can be specified in the select list is 4096. Specifies that all columns from all tables and views in the FROM clause should be returned. The columns are returned by table or view, as specified in the FROM clause, and in the order in which they exist in the table or view.
1 sty 2019 · I want to perform a select using an index (number) of a column. I tried: select 1 from "user" select '1' from "user" but they don't do what I expect.
3 gru 2020 · from sys.dm_exec_describe_first_result_set('select * from ' + quotename(@table_name), NULL, 0) where [name] = @column_name. -- show the results. select @table_name, @column_name, @column_ordinal. This query is working but i need to define table name and column name.
