If you have started looking for ways tolearn SQL, you may have noticed the many different dialects of SQL available to learn with some clear (and less clear) distinctions between the different dialects. So where do you begin? Which version of SQL is most helpful to you if you haven’t ...
SQL Server The SQL server is not left out of the picture as the compatible operating systems are Linux, Microsoft Server, and Microsoft Windows. Programming Language Support PostgreSQL There is a large difference between the programming languages that the PostgreSQL server supports and that of the...
1986 and 1987 respectively. Even though SQL is an ANSI standard, there are many different versions of the SQL language. But to comply with the ANSI standard all of these versions support the widely used commands such as SELECT, UPDATE, DELETE, INSERT, WHERE in a similar manner. As mentioned...
MySQL, SQL Server, or other SQL-related phrases. If you are a database professional, then you should be aware of the difference between SQL and MySQL or other phrases which have SQL words included like PostgreSQL, Cloud SQL, TSQL, etc. Most of ...
SELECT clause in SQL. As a result, in some database systems like SQL Server,theenrollment_yearalias defined in the SELECT clause can’t be used in the GROUP BY clauseas a substitute forEXTRACT(YEAR FROM enrollment_date). However, other databases, such as MySQL and PostgreSQL, permit this ...
In this tutorial, we’ll explore and understand, with practical examples, the differences between CTEs and subqueries. This tutorial uses the PostgreSQL database for the practical use case examples. In addition, this applies to MySQL and SQL Server. ...
Explore the stack vs. queue differences - a comprehensive guide on the distinctions between stack and queue data structures.
Test in Postgresql: INSERT INTO "Test01"("SID", "Name") VALUES (1, 'A'); INSERT INTO "Test01"("SID", "Name") VALUES (2, 'B'); INSERT INTO "Test01"("SID", "Name") VALUES (3, 'C'); INSERT INTO "Test02"("SID", "Name") VALUES (1, 'A'); INSERT INTO "Test02"("...
In the world of database management, the choice between MySQL and PostgreSQL depends on your database’s specific needs. MySQL is known for its speed and ease of use. On the other hand, PostgreSQL excels when it comes to advanced features and extensibility. However, regardless of which DBMS...
MySQL:SQL syntaxes and stored procedures PostgreSQL:Advanced procedures and stored procedures Supported index type MySQL:Binary Search Tree (B-Tree) PostgreSQL:Many, including GIN and Hash Encryption between client and server MySQL:Transport Layer Security (TLS) protocol ...