Tag: SQL

Technology - The Difference Between Blank Space and NULL In SQL

The Difference Between Blank Space and NULL In SQL

If you’re wondering how to distinguish between ” (empty space) and NULL in SQL, read this article first. In most cases, it’s easiest to work with ” because it’s the simplest character type to interpret. But in some cases, it’s useful to distinguish between ” and NULL so you can express empty values and avoid the defaults from applying. Listed below are some of the key differences between the two characters. COALESCE function returns first NON-NULL value from a given list The COALESCE function will return the first non-null value in a list. To use this function, you must have

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Why You Should Learn ANSI SQL

ANSI SQL is a query language that lets you manipulate information stored in a database. If you are interested in the job market, this skill is very beneficial, and you can learn it quickly. It also happens to be a popular choice for beginners. Read on to discover why you should learn ANSI SQL. Also, keep reading for some tips to improve your skills as you go along. You’ll be glad you did! ANSI SQL is a query language The query language ANSI SQL is an integral part of many modern RDBMS, which means that many different vendors have adopted

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How to Use the to_Char Equivalent Cast and Convert Functions in SQL Server

The to_char equivalent cast and convert functions in SQL Server (mssql) allows you to transform expressions of one data type to another. The types of expressions that you can convert include Date, Timestamp, Numeric value, and Character string. To learn how to use these functions in your applications, read on. Here are some examples. Using these functions is a good practice for any data type conversion project. Date The to_char equivalent cast and convert functions in SQL Server provide you with the ability to convert one type of value to another. For example, if you want to convert a date

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What Are the Alternatives to SQuirreL SQL Developer?

If you are looking for a database management solution, SquirreL SQL alternatives are an excellent choice. While the developer’s main focus is on data management, other options may include Business Intelligence Tools. Below, we’ll discuss some of the most popular alternatives to SquirreL SQL Developer. They include HeidiSQL, OmniDB, and Dbeaver. Dbeaver DBeaver is a powerful database management tool that can make managing your Oracle Database a snap. Instead of opening and closing windows in your SQL editor, you can double-click a table to see its contents. Its powerful editor also allows you to filter and sort data. The DBeaver

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Technology – Difference between inner join and left join

To understand the differences between these two SQL operations, let’s compare the two most common types of joins. Left outer join returns all rows from the left table, while right outer join returns only the rows from the right table. In addition to the differences between these two join types, we will look at why you might want to use a left outer join or inner join instead. This is because inner joins are often faster, and left outer joins are more flexible. Right outer join returns all the rows from the right table A right outer join is a

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Advantages and Disadvantages of SQLite

SQLite is a relational database management system that is easy to learn and use. Its key advantages include its flexibility, speed, and simplicity. But are these enough reasons to use SQLite over other relational database management systems? Let’s look at some of the advantages and disadvantages of this popular open source database. Also, learn why it is a good choice for web-based projects. Read on to learn more! SQLite is a relational database management system SQLite is a relational database managed by PostgreSQL. It has bindings for many programming languages, including C#, Java, and Python. It generally follows PostgreSQL syntax.

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