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INSERT into Employee VALUES (101, 'Anurag', 25000, 10) In our case both columns having the same INT data type. Note: The DepartmentId column of the Employee table and Id column of the Department table must have the same data type otherwise foreign key relationship is not possible. You can verify the same by exploring the Foreign Keys folder as shown in the below image.
![set foreign key razorsql set foreign key razorsql](https://i0.wp.com/crackmax.org/wp-content/uploads/2020/12/RazorSQL-crack-2.png)
Once you execute the above CREATE Table Statements, the Employee table is created with the Foreign Key Constraints. Further, if you notice in the below query, we have marked the DepartmentId column as the FOREIGN KEY which referencing the Id column of the Department table.įOREIGN KEY (DepartmentId) REFERENCES Department(Id) This table is going to be our foreign ley table. Now create another table with the name Employee by using the FOREIGN KEY constraint. INSERT INTO Department (Id, Name, Location) VALUES (30, 'Finance', 'Mumbai') INSERT INTO Department (Id, Name, Location) VALUES (20, 'HR', 'Delhi') INSERT INTO Department (Id, Name, Location) VALUES (10, 'IT', 'Hyderabad') Once you created the Department table, now insert some master data into this table by executing the below SQL Script. Here, we created the reference column (Id) using the Primary Key constraint. This table is going to be the parent table or master table which contains the reference key column. First, create a table with the name Department by using the PRIMARY KEY constraint by executing the below CREATE Table query.
#SET FOREIGN KEY RAZORSQL HOW TO#
Let us understand how to create the primary key and foreign key relationship between two tables in MySQL. Examples to understand FOREIGN KEY Constraints in MySQL. If the above points are not clear at the moment, then don’t worry, we will try to explain all the above points with examples.
![set foreign key razorsql set foreign key razorsql](https://i2.wp.com/cracked4pc.info/wp-content/uploads/2019/03/RazorSQL-8.3.0-Crack-Activation-Key-Latest-Version.jpg)
In our upcoming articles, we will discuss referential integrity constraints in detail. The foreign key constraints are basically used to enforce referential integrity. Note: A foreign key in one TABLE points to either a primary key or a unique key in another table in MySQL. That means the Foreign Key constraint in MySQL is used for binding two tables with each other and then verify the existence of one table data in other tables. In order to create a link between two tables, we must specify a Foreign Key in one table that references a column in another table. The relationship between multiple tables provides a mechanism for linking the data stores in multiple tables and retrieving them in an efficient manner. What is a Foreign Key Constraint in MySQL?Ĭreating the relationship between the database tables is one of the most important concepts in a database. Please read our previous article where we discussed the Primary Key Constraint in MySQL with examples before proceeding to this article. In this article, I am going to discuss the Foreign Key Constraint in MySQL with Examples.