Change data type of Primary key column in SQL Server. I used this approach to migrate our business-critical database from SQL Server 2008 to SQL Server 2016 while changing the data type of primary key ...

Learn how to use the AVG function and the GROUP BY, HAVING, ORDER BY, and LIMIT clauses to calculate the average of a column using SQL, a popular data management skill.

Hello friends,i am here for share the solution of a mysql problem.if you want to change the data type of a column from varchar or any other one to date, ... ' and a column 'dob' and the values in this ...

Sometimes we need to change the data type of a column in a table. We can do this by using Modify keyword with ALTER command. Syntax: To change the data type of a column in a table, use the following ...