Cursor in t-sql is very useful feature. In SQL, it is difficult to set a pointer to a set of data and evaluate other tables or data while in the loop. Simply, cursors are temporary storage to a row data or some column data in a row you set in a table so that they can be used to evaluate other data while going through each row in the table. Because cursors use server resources, you must know how ..

개발 (Development & Coding)/영문본 (English) 2023. 3. 20. 06:00