How can I combine the built-in-commands (\g and \G), used for executing a MySQL statement, with each other?

mkotla
Published on 22-Feb-2018 06:16:36
As we know that built-in-commands (\G and \g) send the command to MySQL server for execution and both of them have the different format of the result set. For combining them and getting the result without error, we need to write two queries, one query with \G and other with ... Read More

How can I combine built-in-commands (\g and \G), used for executing a MySQL statement, with termination symbol semicolon (;) to get output without any error?

Nishtha Thakur
Published on 22-Feb-2018 06:15:58
As we know that built-in-commands (\G and \g) send the command to MySQL server for execution and with the help of Semicolon (;) MySQL determines the end of the statement. It is also known that both of them have different format of the result set. For combining them and getting ... Read More

What happens if I use both \G and semicolon (;) termination symbol with a single MySQL statement?

Giri Raju
Published on 22-Feb-2018 06:13:13
As we know that \G option sends the command to MySQL server for execution and with the help of Semicolon (;) MySQL determines the end of the statement. It is also known that both of them have a different format of the result set.Now, if we will use both of ... Read More

How changes, made in the current transaction, can be permanently eliminated from MySQL database?

Sai Subramanyam
Published on 22-Feb-2018 06:12:30
We can use ROLLBACK command to eliminate the changes, made in a current transaction, permanently from MySQL database. Suppose if we run some DML statements and it updates some data objects, then ROLLBACK command will eliminate these updates permanently from the database. Example Suppose we have the following data in ... Read More

How changes, made in the current transaction, can be permanently recorded in MySQL database?

Rama Giri
Published on 22-Feb-2018 06:11:58
We can use COMMIT command to make the changes, made in a current transaction, permanently recorded in MySQL database. Suppose if we run some DML statements and it updates some data objects, then COMMIT command will record these updates permanently in the database.Examplemysql> START TRANSACTION; Query OK, 0 rows affected ... Read More

How can we find out the current transaction mode in MySQL?

Monica Mona
Published on 22-Feb-2018 06:06:08
We can run “SELECT @@AUTOCOMMIT” command to check the current transaction mode.mysql> Select @@AUTOCOMMIT; +--------------------+ | @@AUTOCOMMIT       | +--------------------+ |       1            | +--------------------+ 1 row in set (0.05 sec) mysql> SET AUTOCOMMIT = 0; Query OK, 0 rows ... Read More

How can a user implicitly end current MySQL transaction?

George John
Published on 22-Feb-2018 06:11:41
Following are the ways with the help of which current MySQL transaction can be ended implicitly −By Running DDL statementThe current MySQL transaction will end implicitly and changes will be committed by running any of the DDL statement such as CREATE or DROP databases, Create, ALTER or DROP tables or ... Read More

How can a user explicitly end current MySQL transaction?

Ankith Reddy
Published on 22-Feb-2018 06:09:47
Following are the ways with the help of which current MySQL transaction can be ended explicitly −By COMMIT commandThe current transaction will be ended explicitly if we will run the COMMIT command. In this case, the changes will be committed.Examplemysql> START TRANSACTION; Query OK, 0 rows affected (0.00 sec) ... Read More

How can MySQL produce the output in a vertical format rather than tabular format?

varma
Published on 22-Feb-2018 06:02:57
By using \G at the end of MySQL statement, it returns the output in a vertical format rather than a tabular format. Consider the example below −mysql> Select curdate(); +------------+ | curdate()  | +------------+ | 2017-11-06 | +------------+ 1 row in set (0.00 sec) mysql> Select CURDATE()\G *************************** 1. ... Read More

What is the use of WITH ROLLUP modifier in MySQL?

Sreemaha
Published on 22-Feb-2018 06:06:52
“WITH ROLLUP” is a modifier that is used with GROUP BY clause. Mainly, it causes the summary output to include extra rows that represent higher-level summary operations.ExampleIn the example below, WITH ROLLUP modifier gave the summary output with total price value in the extra row.mysql> Select Item, SUM(Price) AS Price ... Read More
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