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RTSALL Latest Questions

Queryiest
QueryiestEnlightened
Asked: March 14, 2023In: Programs

Is it possible to use comments in JSON?

No, JSON does not support comments. According to the official JSON specification, comments are not allowed in JSON files. Any comments included in a JSON file will result in a syntax error when the file is parsed. However, you can ...Read more

commentsjson
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Queryiest
QueryiestEnlightened
Asked: February 24, 2023In: Programs

What is a database?

What is a database? In today’s digital world, every app, website, and online service depends on one important thing: data.To store and manage this data safely, we use something called a database. Understanding What a Database Is A database is ...Read more

databasedbasql
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Queryiest
QueryiestEnlightened
Asked: March 18, 2023In: Programs

Does Java follow “pass-by-reference” or “pass-by-value” when passing arguments to a method?

Java is a “pass-by-value” language, meaning that when an argument is passed to a method, a copy of the value of the argument is made and passed to the method. This copy is independent of the original value, so any changes ...Read more

javamethods
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Anonymous
Anonymous
Asked: February 24, 2023In: Programs

What is a primary key?

What is a primary key?When we work with databases, one of the first ideas we must understand is how to uniquely identify each record. Just like every student in a class has a unique roll number, every row in ...Read more

sql
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Queryiest
QueryiestEnlightened
Asked: March 14, 2023In: Programs

Is it possible to force “git pull” to overwrite local files?

Yes, it is possible to force “git pull” to overwrite local files by using the “–force” or “-f” option with the “git pull” command. Here are the steps to force “git pull” to overwrite local files:First, ensure that you have committed ...Read more

gitgit pullgit-fetchoverwriteversion-control
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Queryiest
QueryiestEnlightened
Asked: March 2, 2023In: Programs

What is a trigger?

Details about the trigger.When we work with databases, certain actions—like inserting, updating, or deleting data—often need an automatic response.For example, if a new student is added, maybe we also want to update the total count.Or if an employee’s salary ...Read more

sql
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Queryiest
QueryiestEnlightened
Asked: March 14, 2023In: Programs

Can you explain the stack and heap and their respective locations in computer memory?

The stack and heap are two distinct regions of computer memory used for dynamic memory allocation during program execution. The stack is a region of memory located in the RAM (Random Access Memory) of a computer that is used to store ...Read more

dynamic-memory-allocationheapmemory managementstack
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Queryiest
QueryiestEnlightened
Asked: March 14, 2023In: Programs

Define is the “–>” operator in C++?

The “–>” operator in C++ is called the “member access through pointer” operator. It is used to access a member of an object that is pointed to by a pointer. The “->” operator is used when we have a pointer to ...Read more

c++code-formattingoperators
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Queryiest
QueryiestEnlightened
Asked: March 2, 2023In: Programs

What is an index?

An index is a data structure that is used to improve the performance of database queries. It is created on one or more columns in a table and allows the database to quickly locate the data that matches the query.Read more

sql
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Queryiest
QueryiestEnlightened
Asked: March 2, 2023In: Programs

What is denormalization?

Denormalization is the process of adding redundant data to a database to improve performance. It involves duplicating data in multiple tables to avoid the need for complex joins.When students learn normalization, they understand how important it is to organize ...Read more

sql
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    Vincentxavi added an answer Identifying the right AI opportunities starts with a structured audit,… July 30, 2026 at 3:10 am
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