ScoreMe Application Support Engineer Interview Questions and Answers

To find a pattern in LINUX Server, you can use tools like grep, awk, or sed to search for specific strings in files or directories.

• Use grep to search for a specific pattern in files: grep 'pattern' file.txt

• Use grep with -r option to search for a pattern recursively in directories: grep -r 'pattern' /path/to/directory

• Use awk to extract and manipulate text based on patterns: awk '/pattern/ {print $1}' file.txt

• Use sed to ...read more

Indexes are used to improve the performance of database queries by allowing for faster data retrieval.

• Indexes help to quickly locate data in a database table.

• They can speed up data retrieval operations such as SELECT queries.

• Indexes can also enforce uniqueness constraints on columns.

• Examples: primary key indexes, unique indexes, composite indexes.