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Jennifer Nicholas has Published 329 Articles
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
598 Views
The status register is of length 8-bits wide. The processor can only read but not write and it is only selected when CS* is 0, A3-0 is 1000, and IOR* is 0.About the present state of 8257 the information about the status is provided. The five blocks are important others ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
2K+ Views
Now let us see a program of Intel 8085 Microprocessor. This program will calculate the multiplication of two 16-bit numbers.Problem StatementWrite 8085 Assembly language program to multiply two 16-bit numbers stored at 8000H -8001H and 8002H - 8003H.DiscussionThis program takes the 16 bit data from memory location 8000H – 8001Hand ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
741 Views
To delete under safe mode, you can use the below query −SET SQL_SAFE_UPDATES = 0;To understand the above query, let us create a table. The following is the query to create a table −mysql> create table SafeDeleteDemo −> ( −> Price int −> ); Query OK, 0 ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
2K+ Views
To get dates older than 1 week, you can use the following syntax −select *from yourTableName where yourColumnName < now() - interval 1 week;To understand the above concept, let us create a table. The query to create a table is as follows −mysql> create table DatesOfOneWeek −> ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
334 Views
To add a day to a DATETIME format value, you can use DATE_ADD() function from MySQL.The syntax is as follows −select date_add(now(), interval 1 day) as anyVariableName;Now you can implement the above syntax in order to add a day to a datetime format.mysql> select date_add(now(), interval 1 day) as Adding1DayDemo;The ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
3K+ Views
To subtract hours from a date in swift we need to create a date first. Once that date is created we have to subtract hours from that, though swift does not provide a way to subtract date or time, but it provides us a way to add date or date ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
181 Views
To alter a MySQL table column defaults, you can use the CHANGE command. The syntax is as follows −alter table yourTableName change yourCoumnName youColumnName datatype not null default Value;To understand the above syntax, let us create a table. The following is the query −mysql> create table DefaultDemo ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
152 Views
When we build an iOS application, by default it get a version 1.0 and build 0. Whenever we upload a new build to the app store, we need to change the version number. We can update the build number for testing builds. The version and build number are stored in ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
439 Views
Increase the varchar size of an existing column in a database with the help of CHANGE command. The syntax is as follows −alter table yourTableName change yourColumnName yourColumnName dataType;Here, we are creating a table with a single column and varchar size 200 −mysql> create table IncreaseVarcharDemo −> ( ... Read More
![Jennifer Nicholas](https://www.tutorialspoint.com/assets/profiles/13569/profile/60_88876-1512715262.jpg)
Jennifer Nicholas
8K+ Views
You can use IFNULL() function from MySQL to return a value even if there is not result. Let us create a table. Te query to create a table.mysql> create table IfNullDemo −> ( −> Id int, −> Name varchar(100) −> ); Query OK, 0 rows affected ... Read More