Sree Jayajothi Cements Officer Interview Questions and Answers

SQL joins are used to combine rows from two or more tables based on a related column between them.

• SQL joins are used to retrieve data from multiple tables based on a related column between them

• Common types of SQL joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the...read more

VSAM is a file management system used in mainframe computers. It has different types like KSDS, ESDS, and RRDS.

• VSAM stands for Virtual Storage Access Method.

• It is a file management system used in IBM mainframe computers.

• VSAM provides efficient access to large volumes of data.

• It supports different types of datasets like Key Sequenced Data Set (KSDS), Entry Sequenced Data Set (ESDS), and Relative Record Data Set (RRDS).

• K...read more