Let us create a table −mysql> create table DemoTable1950    (    Amount float    ); Query OK, 0 rows affected (0.00 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1950 values(45.60); Query OK, 1 row affected (0.00 sec) mysql> insert into DemoTable1950 values(101.78); Query OK, ... Read More

To set NOT NULL attribute to an existing column, use ALTER TABLE command. Let us first create a table −mysql> create table DemoTable1949    (    UserId int,    UserName varchar(20)    ); Query OK, 0 rows affected (0.00 sec)Here is the query to set NOT NULL attribute to an ... Read More

The slideUp() method in jQuery is used to slide up the selected element i.e. to hide them.SyntaxThe syntax is as follows −$(selector).slideUp(speed, easing, callback)Above, the parameter speed is the speed of the slide effect. Here, easing is the speed of the element in different points of the animation, whereas callback ... Read More

To sort only numbers from alphanumeric string, use ORDER BY RIGHT(). Let us first create a table −mysql> create table DemoTable1948    (    StudentCode varchar(20)    ); Query OK, 0 rows affected (0.00 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1948 values('121John_567'); Query OK, ... Read More

The parent > child selector in jQuery is used to select all elements that are a direct child of the specified element.SyntaxThe syntax is as follows −("parent > child")ExampleLet us now see an example to implement the jQuery parent > child selector − Live Demo    $(document).ready(function(){   ... Read More

Let us first create a table −mysql> create table DemoTable1947    (    Id int,    Name varchar(20)    ); Query OK, 0 rows affected (0.00 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1947 values(101, 'Chris'); Query OK, 1 row affected (0.00 sec) mysql> insert ... Read More

The siblings() method in jQuery is used to return all sibling elements of the selected element.SyntaxThe syntax is as follows −$(selector).siblings(filter)Above, the filter specifies a selector expression to narrow down the search for sibling elements.Let us now see an example to implement the jQuery siblings() method −Example Live Demo ... Read More

Let us first create a table −mysql> create table DemoTable1946    (    ShippingDate date    ); Query OK, 0 rows affected (0.00 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1946 values('2019-12-11'); Query OK, 1 row affected (0.00 sec) mysql> insert into DemoTable1946 values('2018-12-11'); Query ... Read More

The stop() method in jQuery is used to stop an animation before it ends.SyntaxThe syntax is as follows −$(selector).stop(stopAll, goToEnd);Above, stopAll clears all animation, whereas gotoEnd is used to specify whether to complete the current animation immediately or not.ExampleLet us now see an example to implement the jQuery stop() method − Live ... Read More

To insert records from multiple tables, use INSERT INTO SELECT statement. Here, we will insert records from 2 tables.Let us first create a table −mysql> create table DemoTable1943    (    Name varchar(20)    ); Query OK, 0 rows affected (0.00 sec)Insert some records in the table using insert command ... Read More