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Karthikeya Boyini has Published 2193 Articles

karthikeya Boyini
170 Views
Before getting into an example, we should know what CopyOnWriteArraySet is. It is a thread-safe variant of ArrayList and operations add, set, and so on by making a fresh copy of the underlying array.This example demonstrates about How to use containsAll() in android CopyOnWriteArraySetStep 1 − Create a new project ... Read More

karthikeya Boyini
178 Views
Let us first create a table −mysql> create table DemoTable -> ( -> Name text -> ); Query OK, 0 rows affected (1.31 sec)Insert some records in the table using insert command. Here, we have inserted a name with a specific word “name”, which we need to ... Read More

karthikeya Boyini
187 Views
Use CHANGE with ALTER statement. Let us first create a table −mysql> create table DemoTable -> ( -> StudentName varchar(100), -> Age int -> ); Query OK, 0 rows affected (0.84 sec)Now check the description of table −mysql> desc DemoTable;OutputThis will produce the following output −+----------------+--------------+------+-----+---------+-------+ | Field ... Read More

karthikeya Boyini
2K+ Views
To correctly drop a view, use the below syntax −drop view yourViewName;Let us first create a table −mysql> create table DemoTable -> ( -> Id int -> ); Query OK, 0 rows affected (1.01 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(1001); Query OK, ... Read More

karthikeya Boyini
911 Views
Zerofill pads the displayed value of the field with zeros up to the display width specified in the column definition. For example, if column is set int(8), therefore the width is 8. If the number is let’s say 4376, then zero will be padded on the left for total width ... Read More

karthikeya Boyini
172 Views
You can use LIKE operator to conduct a basic search for last name. Let us first create a table: −mysql> create table DemoTable -> ( -> CustomerName varchar(100), -> CustomerAge int -> ); Query OK, 0 rows affected (0.77 sec)Insert some records in the table using ... Read More

karthikeya Boyini
420 Views
Let us first create a table −mysql> create table DemoTable -> ( -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> ShippingDate datetime -> ); Query OK, 0 rows affected (1.16 sec)Insert some records in the table using insert command. Consider current date “2019-06-28” −mysql> insert into DemoTable(ShippingDate) values('2019-01-31'); Query ... Read More

karthikeya Boyini
138 Views
Before getting into example, we should know what CopyOnWriteArraySet is. It is a thread-safe variant of ArrayList and operations add, set, and so on by making a fresh copy of the underlying array.This example demonstrates about How to use contains () in android CopyOnWriteArraySetStep 1 − Create a new project ... Read More

karthikeya Boyini
174 Views
Before getting into example, we should know what ConcurrentLinkedDeque is, it is unbounded deque based on linked nodes. Multiple threads can access deque elements with safety.This example demonstrate about How to clear ConcurrentLinkedDeque in androidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project ... Read More

karthikeya Boyini
199 Views
Before getting into example, we should know what ConcurrentLinkedQueue is, it is unbounded queue based on linked nodes. Multiple threads can access queue elements with safety. Elements travel based on queue strategy as FIFO and elements going to insert from tail. It does not allow null values.This example demonstrate about ... Read More