Let us first create a table wherein we have a Primary Key CustomerId − , Following is the query to get the primary key “column name” of a specific table in MySQL − , This will produce the following output − ,

You cannot use ‘from’ as column name directly because ‘from’ is a reserved word in MySQL. If you want to still use it, then you need to use the backtick symbol. Let us first create a table − , Insert records in the table using insert command − , Display all records from the table using select statement − , This will produce the following output &min.....

To modify an existing column’s data type, you can use MODIFY. Let us first create a table − , Check the description of table − , This will produce the following output − , Now, change the column(ClientNumber) data type bigint to varchar(20) − , Let us check the description of table once again − , This will produce the following output − , Look at th.....

Let us first create a table − , Insert records in the table using insert command − , Display all records from the table using select statement − , This will produce the following output − , Following is the query of MySQL Order from a starting value − , This will produce the following output − ,

To create a table with only date column, you can use DATE type. Let us first create a table − , Insert records in the table using insert command − , Display all records from the table using select statement − , This will produce the following output − ,

You can use NOW() for this. Following is the syntax − , Let us first create a table − , Insert records in the table using insert command − , Display all records from the table using select statement − , This will produce the following output − , Following is the query to validate expiry date on a MySQL query − , This will produce the following output &min.....

Let us first create a table − , Insert records in the table using insert command − , Display all records from the table using select statement − , This will produce the following output − , Following is the query to SELECT * and rename a column − , This will produce the following output − ,

You can use REGEXP for this. Let us first create a table − , Insert records in the table using insert command − , Display all records from the table using select statement − , This will produce the following output − , Following is the query to select all fields beginning with a given number with the next character a letter − , This will produce the following o.....

First, you need to open the command prompt. You can open using shortcut windows+R key. The screenshot is as follows − Now type CMD and press OK button − Now the following command prompt would be visible − Now reach the MySQL bin directory. The screenshot is as follows − Following is the query to run MySQL in the command line to create a database − Now you .....

To update column with random value, you can use the below syntax− , The above syntax will generate a value between 1 to 100. Let us see an example and create a table− , Insert records in the table using insert command − , Display all records from the table using select statement − , This will produce the following output− , Following is the query to update colu.....