Important Interview Questions Company The smallest organizational unit for which individual financial statements can be drawn up according to the relevant commercial law.A company can consist of one or more company codes.All company codes within a company must use the same transaction chart of accounts and the same fiscal year breakdown. The company code currencies can be different.A company has one local currency in which its transaction figures are recorded.Company code The smallest organizational unit of Financial Accounting for which a complete self-contained set of accounts can be drawn up for purposes of external reporting.This includes recording of all relevant transactions and generating all supporting documents required for financial statements.Is it mandatory to define company?Yes it is mandatory to define the company, company codes will assign to the company.ST05 is the performance trace. It contain the SQL Trace plus RFC, enqueue and buffer trace. Mainly the SQL trace is is used to measure the performance of the select statements of the program.SE30 is the Runtime Analysis transaction and can be used to measure the application performance. SAT transaction is the replacement of the pretty outdated SE30. Provides same functionality as SE30 plus some additional features.ST12 transaction (part of ST-A/PI software component) is a combination of ST05 and SAT. Very powerful performance analysis tool used primarily by SAP Support.One of the best tools for static performance analyzing is Code Inspector (SCI). There are many options for finding common mistakes and possible performance bottlenecks.