MySQL – ALTER Command
The MySQL ALTER command is very useful when you want to change a name of your table, any table field or if you want to add or delete an existing column in…
The MySQL ALTER command is very useful when you want to change a name of your table, any table field or if you want to add or delete an existing column in…
A transaction is a sequential group of database manipulation operations, which is performed as if it were one single work unit. In other words, a transaction will never be complete…
You have seen MySQL pattern matching with LIKE ...%. MySQL supports another type of pattern matching operation based on the regular expressions and the REGEXP operator. If you are aware of PHP or…
We have seen the SQL SELECT command along with the WHERE clause to fetch data from a MySQL table, but when we try to give a condition, which compares the field or the column…
In the previous chapters, we were getting data from one table at a time. This is good enough for simple takes, but in most of the real world MySQL usages,…
We have seen the SQL SELECT command to fetch data from a MySQL table. When you select rows, the MySQL server is free to return them in any order, unless you instruct…
We have seen the SQL SELECT command to fetch data from the MySQL table. We can also use a conditional clause called as the WHERE clause to select the required records. A WHERE clause…
If you want to delete a record from any MySQL table, then you can use the SQL command DELETE FROM. You can use this command at the mysql> prompt as well…
There may be a requirement where the existing data in a MySQL table needs to be modified. You can do so by using the SQL UPDATE command. This will modify any field…
We have seen the SQL SELECT command to fetch data from a MySQL table. We can use a conditional clause called the WHERE Clause to filter out the results. Using this WHERE clause, we…