Auto_ increment is used to increase by 1 while insert a new data to mysql table. The auto increment column must be def...

                         The primary key in mysql is used to identify the unique values in table. It don't allow duplicate entries in ...

                     Auto_ increment is used to increase by 1 while insert a new data to mysql table. The auto increment column must be def...

                      Primary key is used to avoid duplicate entries in mysql table. A mysql table can have only one primary key. Creat...

                       You created a table in which the column with 'NOT NULL'. Suppose you want to change mysql column definition ...

                       You created a table with column in specific datatype. Sometimes you need to change datatype of column. At the time...

                       You can change the column name and change the column size in mysql. But can you rearrange the column order in mysql ...

                       You created a table with specific size of column. Sometimes you need to increase the size of column, if the size is ...

                       You created a table with specific column name. Sometimes you need to change the column name. At the time, you can ch...