Synechron Interview Questions and Answers

Use SQL query with WHERE clause to select names starting with 'A'

• Use SQL query: SELECT * FROM table_name WHERE name LIKE 'A%'

• Make sure to replace 'table_name' with the actual table name and 'name' with the actual column name

• The '%' symbol is a wildcard that matches any sequence of characters

To validate a string in code, use regular expressions to check for specific patterns or criteria.

• Use regular expressions to define the pattern you want to validate

• Use functions like test() or match() to check if the string matches the pattern

• Handle validation errors or exceptions if the string does not meet the criteria

To find the largest and smallest elements in an array, use built-in functions or loop through the array.

• Use Math.max() and Math.min() functions for numbers

• For strings, use localeCompare() function

• Loop through the array and compare each element to find the largest and smallest

Inheritance is the mechanism by which a new class can inherit properties and behavior from an existing class. Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.

• Inheritance allows a class to inherit attributes and methods from another class, promoting code reusability.

• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• Inheritance promotes the concept of 'is-a' relationship, while encaps...read more

SQL select function is used to retrieve data from a database table.

• SQL select function is used to specify which columns to retrieve from a table.

• It can also be used to filter rows based on certain conditions using the WHERE clause.

• The SELECT statement can include functions, expressions, and even join multiple tables.

• Example: SELECT column1, column2 FROM table_name WHERE condition;

SAP is a multinational software corporation that provides enterprise software to manage business operations and customer relations.

• SAP stands for Systems, Applications, and Products in Data Processing

• It offers a wide range of software solutions for various industries such as finance, logistics, and human resources

• SAP's flagship product is SAP ERP (Enterprise Resource Planning) which integrates all business processes into a single system

• Other popular SAP products include SAP H...read more