sql declare cursor code example
Example 1: sql server tutorial cursor
DECLARE
@product_name VARCHAR(MAX),
@list_price DECIMAL;
DECLARE cursor_product CURSOR
FOR SELECT
product_name,
list_price
FROM
production.products;
OPEN cursor_product;
FETCH NEXT FROM cursor_product INTO
@product_name,
@list_price;
WHILE @@FETCH_STATUS = 0
BEGIN
PRINT @product_name + CAST(@list_price AS varchar);
FETCH NEXT FROM cursor_product INTO
@product_name,
@list_price;
END;
CLOSE cursor_product;
DEALLOCATE cursor_product;
Example 2: sql cursor example
DECLARE @name VARCHAR(50)
DECLARE @path VARCHAR(256)
DECLARE @fileName VARCHAR(256)
DECLARE @fileDate VARCHAR(20)
SET @path = 'C:\Backup\'
SELECT @fileDate = CONVERT(VARCHAR(20),GETDATE(),112)
DECLARE db_cursor CURSOR FOR
SELECT name
FROM MASTER.dbo.sysdatabases
WHERE name NOT IN ('master','model','msdb','tempdb')
OPEN db_cursor
FETCH NEXT FROM db_cursor INTO @name
WHILE @@FETCH_STATUS = 0
BEGIN
SET @fileName = @path + @name + '_' + @fileDate + '.BAK'
BACKUP DATABASE @name TO DISK = @fileName
FETCH NEXT FROM db_cursor INTO @name
END
CLOSE db_cursor
DEALLOCATE db_cursor
Example 3: sql cursor
DECLARE
@product_name VARCHAR(MAX),
@list_price DECIMAL;
DECLARE cursor_product CURSOR
FOR SELECT
product_name,
list_price
FROM
production.products;
OPEN cursor_product;
FETCH NEXT FROM cursor_product INTO
@product_name,
@list_price;
WHILE @@FETCH_STATUS = 0
BEGIN
PRINT @product_name + CAST(@list_price AS varchar);
FETCH NEXT FROM cursor_product INTO
@product_name,
@list_price;
END;
CLOSE cursor_product;
DEALLOCATE cursor_product;
Code language: SQL (Structured Query Language) (sql)