Add Column in SQL: A Complete Never-Before Guide for You in 2022

 Every time when a table is created in SQL Server using T-SQL, you need to specify all the columns for that table with their data type and constraints. But what happens when you suddenly have to add new column to table SQL? After all, dropping a table and starting again is not an option here. The other option is taking the backup and creating it again after dropping the existing table. But these options are not optimum, and they cannot be considered good choices for programmers. The answer to this problem is ALTER TABLE statement in SQL that is used to add, modify, or delete columns in the existing table. It can also be used to add or drop various constraints on the existing table.



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