What is if exists in SQL Server?

What is if exists in SQL Server?

The EXISTS operator returns TRUE or FALSE while the JOIN clause returns rows from another table. You use the EXISTS operator to test if a subquery returns any row and short circuits as soon as it does. On the other hand, you use JOIN to extend the result set by combining it with the columns from related tables.

Is SQL Server equal to MySQL?

Both MySQL and Microsoft SQL Server (MSSQL) are widely used enterprise database systems. MySQL is an open-source relational database management system (RDBMS), while MSSQL Server is a Microsoft-developed RDBMS. Enterprises can choose between multiple MSSQL Server editions to suit their individual needs and budgets.

What are the 3 types of functions in SQL Server?

There are three types of user-defined functions in SQL Server:

• Scalar Functions (Returns A Single Value)
• Inline Table Valued Functions (Contains a single TSQL statement and returns a Table Set)
• Multi-Statement Table Valued Functions (Contains multiple TSQL statements and returns Table Set)

What is the difference between the SQL and MySQL?

In a nutshell, SQL is a language for querying databases and MySQL is an open source database product. SQL is used for accessing, updating and maintaining data in a database and MySQL is an RDBMS that allows users to keep the data that exists in a database organized. SQL does not change (much), as it is a language.

Are there any MSSQL functions that are equivalent to SQL?

There are some functions in MS SQL Server which does not have any equivalent in MySQL, but the same functionality can be acheived by writting SQL Statements. MSSQL String Functions and their MySQL equivalent You can download the MSSQL to MySQL Converter

Is there an equivalent function to concat in MySQL?

CONCAT function is introduced in MS SQL Server 2012, in the previous versions + operator is used to join strings. In MySQL + operator is not allowed. No equivalent function in MySQL. For more information

How to convert MS SQL Server to MySQL?

Anyone who wants to convert code from MS SQL Server to MySQL will need to find equivalent or similar functions in MySQL. Here is a list of MS SQL Server Functions with their equivalent in MySQL.

Can you use the same function in MySQL?

Same functionality in MySQL can be acheived by using REPEAT function. Here are examples Same functionality in both MSSQL and MySQL. Examples Same functionality in both MSSQL and MySQL. Here is the RIGHT function examples in MSSQL and MySQL RTRIM stands for Right Trim.