Hi, I was trying to add a primary key to existing table but could not. "alter table custsales add constraint pk_custsales primary key (id, type)" Is this supported? Is there a different syntax to do this? best regards, Radzi. --- To unsubscribe, send email to [EMAIL PROTECTED] -...
I was trying to add a primary key to existing table but could not. "alter table custsales add constraint pk_custsales primary key (id,type)" Is this supported? Is there a different syntax to do this? Using ALTER TABLE to add a constraint or a new column marked as PRIMARY KEY is not...
you wouldn’t be able to identify the car uniquely. The license plate differs in both instances, providing a good unique identifier for every row in the table. Because a license plate number is already part of the data, using that as a primary key would create a natural...
I want to send table name,primary key corresponding to that table into another table when the trigger fires. Simply i am writing some audit triggers. I want to know which table modified,primary key. Ex: Current_user() we can send current user name and host name like that is there any...
col_name data_type (length):Specify the list of columns and their datatype, length, and constraint that you want to add to a table. The column must be separated by a comma table_Constraint:Specify the table constraint that includes a primary key, foreign key, and CHECK constraint ...
During table creation usingCREATE TABLE statement. After creating tables usingALTER TABLE statement. We will look at both these examples to create MySQL composite primary key. The following ways are: Method 1: Creating MySQL Composite Primary Key while Table Creation ...
The next step is to go to the table design. In the final step, you have to enter the desired name of your table. Desired name of your table Q. How to add a table in Excel cell If you want to create the Excel table from the list of the data, you can use the table command. ...
When creating an associated RDS table in DLI, if the RDS table contains an auto-increment primary key or other auto-populated fields, you can take the following measures
Step 3: Create a Table After creating or selecting a database, proceed to create a MySQL table. For example, to create a table named "employee" with two columns: "id" and "name", run the following statement: CREATE TABLE employee ( ...
First, we will learn how to create the table in an SQL server. Run the below query for creating Employee and department table. CreatetabletblMyDepartment(Idintprimarykeyidentity(1,1),DepartmentNamevarchar(50),IsActivebit) SQL Copy CreatetabletblMyEmployee(Idintprimarykeyidentity(1,1),Em...