Synechron Senior Consultant Interview Questions and Answers

A cursor is a database object used to retrieve and manipulate data in a database management system.

• A cursor allows for sequential processing of query results one row at a time.

• It can be used to update or delete specific rows in a result set.

• Cursors are commonly used in stored procedures and triggers.

• Example: DECLARE cursor_name CURSOR FOR SELECT column1, column2 FROM table_name;

Query using listagg function to concatenate values into a single string

• Use the listagg function followed by the column name and delimiter in parentheses

• Specify the order by clause if needed

• Can be used in SQL queries to display aggregated data