For this, use the concept of ZEROFILL. It pads the displayed value of the field with zeros up to the display width set in the column definitionLet us first create a table −mysql> create table DemoTable626 (Value int(5) zerofill); Query OK, 0 rows affected (0.71 sec)Insert some records in the ... Read More

Let us first create a table −mysql> create table DemoTable625 (    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, StudentFirstName varchar(100), StudentScore int ); Query OK, 0 rows affected (1.01 sec)Insert some records in the table using insert command −mysql> insert into DemoTable625(StudentFirstName, StudentScore) values('John', 98); Query OK, 1 row ... Read More

For this, you can use time_format() and time_diff(). To find the time difference, you need to use the time_diff() method. Let us first create a table −mysql> create table DemoTable624 (PunchIn datetime, PunchOut datetime); Query OK, 0 rows affected (0.60 sec)Insert some records in the table using insert command −mysql> ... Read More

Let us first create a table −mysql> create table DemoTable623 (FirstName varchar(100), LastName varchar(100), Age int); Query OK, 0 rows affected (0.76 sec)Insert some records in the table using insert command −mysql> insert into DemoTable623 values('John', 'Smith', 23); Query OK, 1 row affected (0.66 sec) mysql> insert into DemoTable623 values('Adam', ... Read More

Let us first create a table −mysql> create table DemoTable622 (Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, Value1 int, Value2 int); Query OK, 0 rows affected (1.08 sec)Insert some records in the table using insert command −mysql> insert into DemoTable622(Value1, Value2) values(1000, 1000); Query OK, 1 row affected (0.23 sec) ... Read More

Let us first create a table −mysql> create table DemoTable621 (UserName varchar(100), UserEmailId varchar(100), UserLastPost datetime); Query OK, 0 rows affected (0.59 sec)Insert some records in the table using insert command −mysql> insert into DemoTable621 values('John', 'John@gmail.com', '2019-04-10 11:01:10'); Query OK, 1 row affected (0.47 sec) mysql> insert into DemoTable621 ... Read More

Let’s say we installed MySQL version is 8.0 on our Windows OS. The bin directory is present at the following location −C:\Program Files\MySQL\MySQL Server 8.0\binLet us check the location. The screenshot is as follows −These are the drives −Go to C: drive and click Program Files −Now, click “MySQL” and ... Read More

For this, you can use INSERT INTO….SELECT statement. Let us first create a table −mysql> create table DemoTabe1 (Marks int); Query OK, 0 rows affected (0.66 sec)Insert some records in the table using insert command −mysql> insert into DemoTabe1 values(68); Query OK, 1 row affected (0.18 sec) mysql> insert into ... Read More

Let us first create a table −mysql> create table DemoTable719 (FirstNumber int, SecondNumber int); Query OK, 0 rows affected (0.57 sec)Insert some records in the table using insert command −mysql> insert into DemoTable719 values(20, 10); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable719 values(500, 50); Query OK, ... Read More

For this, you can use a subquery. Let us first create a table −mysql> create table DemoTable618 (    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, StudentFirstName varchar(100) ); Query OK, 0 rows affected (1.45 sec)Insert some records in the table using insert command −mysql> insert into DemoTable618(StudentFirstName) values('David'); Query ... Read More