This category is all about SQL interview questions and answers on different SQL concepts such as SQL Functions, Triggers, Commands, comparison concepts like difference between union and union all and difference between unique key and primary key e.t.c.
In this category, we have captured all important SQL concepts with practical examples.
I am sure any beginner can easily understand these concepts.
If you are preparing for an interview, these questions and answers can really boost your knowledge.
Some of them are very frequently asked interview questions such as rank, dense rank, partition e.t.c and some of them are advanced topics.
Here’s a PL/SQL program to find the reverse of a number: Explanation: By running this PL/SQL program, you can find the reverse of a given number. The program prompts the user to enter the number, calculates the reverse of the number using a loop, and then displays the reverse on the console. This allows you … Read more
Here’s a PL/SQL program to find the reverse of a number: Explanation: By running this PL/SQL program, you can find the reverse of a given number. The program prompts the user to enter the number, calculates the reverse of the number using a loop, and then displays the reverse on the console. This allows you … Read more
Here’s a PL/SQL program to multiply two numbers: Explanation: By running this PL/SQL program, you can easily multiply two numbers. The program prompts the user to enter the two numbers, performs the multiplication operation, and then displays the result on the console. This allows you to quickly obtain the product of the given numbers.
Certainly! Here’s a PL/SQL program to swap two numbers: Explanation: By running this PL/SQL program, you can easily swap the values of two numbers. The program prompts the user to enter the two numbers, displays them before swapping, performs the swap operation, and then displays the numbers again after the swap. This allows you to … Read more
Here’s the revised version with an introduction and the PL/SQL code: Introduction: In the realm of programming, there are often scenarios where you need to reverse a string. Whether it’s for data manipulation, text processing, or any other purpose, having a PL/SQL program that can reverse a string can be immensely useful. In this article, … Read more
When it comes to choosing a database management system (DBMS), two of the most popular options are Oracle and SQL Server. Both of these systems have their strengths and weaknesses, and which one is better for you depends on your specific needs and use case. Oracle is known for its scalability and reliability, making it … Read more
SQL is a powerful language for data analysis, and there are many advanced techniques that can be used to gain insights from complex datasets. Here are some advanced SQL techniques for data analysis: SQL Window Functions: Analyzing Data Like a Pro SQL is a powerful tool for data analysis, but sometimes the standard aggregate functions … Read more
SQL Continues to be a Vital Tool for Data Management Structured Query Language, or SQL, has been an essential tool for managing data for decades, and it remains as important as ever in the current technological landscape. In recent news, the use of SQL has expanded to new areas, and there have been exciting developments … Read more