8/28/2023 0 Comments Create database mysql aspJust click the finish and the script will be exported to your desired location. Here you will notice the way your script looks like. You will see the SQL Object Explorer Filter and in that window just check the first option: Export MySQL Table Objects. This way you’ll avoid errors if any table already exists inside the database while starting the script file.Ĭlick the Next button. This option will drop any existing table, prior to the creation of a new one with the same name. Also, click on the “Generate DROP Statements Before Each CREATE Statement” option. In the field “Output SQL Script File”, write the name of the script, if left blank, you will just view generated script and be able to copy it but not save it. You will see a new window, in which you have to add the name of the script file and the other options for generating scripts. Now, we want to export our database schema to a script file, which will provide us with a code to create our database with the tables, by simply executing our generated script.Ĭlick on the File menu, then hover over the Export and choose the Forward Engineering SQL Create Script. We are finished with the create schema actions. NET/C# content and get paid? > JOIN US! << Exporting Schema to the Script File Wanna join Code Maze Team, help us produce more awesome. Give it the name AccountOwner and just save your model. We don’t want to call our database like that, so to change it, right-click on mydb and choose edit schema. If you look in the Catalog Tree, which is the part of the schema view, you will see “mydb” as the database name. That way we are preserving the referential integrity of our database. That’s because we don’t want to allow deleting a row with a primary key, from the Owner table, without previously removing the row with the corresponding foreign key. Also, for the OnDelete, we will choose the Restrict option. That means if a row with a primary key, in the Owner table, is updated automatically, update a row with the corresponding foreign key in the Account table. For the OnUpdate, we will choose the Cascade option. Let’s change the default settings for OnUpdate and OnDelete. If you go right and click on the foreign keys tab you will see information about our foreign key in the Account table: Now if you look all the way down, you will see several tabs. Double click on that new column to change its name. Right after that action, you will see the new column inside the Account table. Taking this knowledge into consideration, we want to connect two tables by making the OwnerId foreign key in the Account table, so it could provide us with the relationship between those two tables.Ĭlick on the 1:N relation, one marked in the above picture, then first click on the Account table and then click on the Owner table. We will assume that one owner can have multiple accounts (Domestic, Foreign currency, Savings…), therefore we are seeing a relation one-to-many between owner and account. You can save your model by pressing CTRL+S and after that, we will add the relation to our tables. It is because we will use GUID’s for our keys, and representation of a GUID in MySQL is the Char (36). Just want to explain why the value Char (36) for the Primary Keys in our tables. NET/C# content and get paid? > JOIN US! <<
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