For negative values, use reverse() along with concat(). Let us first create a table −mysql> create table DemoTable632 (    histogramId int NOT NULL AUTO_INCREMENT PRIMARY KEY, histogramValue int, histogramImage text ); Query OK, 0 rows affected (0.78 sec)Insert some records in the table using insert command −mysql> insert into DemoTable632(histogramValue) values(2); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable632(histogramValue) values(3); Query OK, 1 row affected (0.34 sec) mysql> insert into DemoTable632(histogramValue) values(-6); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable632(histogramValue) values(-5); Query OK, 1 row affected (0.13 sec)Display all records from the table ... Read More

Let us first create a table −mysql> create table DemoTable631 (    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, StudentName varchar(100) ); Query OK, 0 rows affected (0.83 sec)Insert some records in the table using insert command −mysql> insert into DemoTable631(StudentName) values('John Smith'); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable631(StudentName) values('Adam Smith'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable631(StudentName) values('David Miller'); Query OK, 1 row affected (0.16 sec)Display all records from the table using select statement −mysql> select *from DemoTable631;This will produce the following output −+-----------+--------------+ | StudentId | StudentName | ... Read More

Let us first create a table −mysql> create table DemoTable630 (ArrivalDate varchar(100)); Query OK, 0 rows affected (0.55 sec)Insert some records in the table using insert command −mysql> insert into DemoTable630 values('2015-21-01'); Query OK, 1 row affected (0.09 sec) mysql> insert into DemoTable630 values('2018-25-12'); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable630 values('2019-15-07'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable630 values('2016-31-03'); Query OK, 1 row affected (0.17 sec)Display all records from the table using select statement −mysql> select *from DemoTable630;This will produce the following output −+-------------+ | ArrivalDate | +-------------+ | 2015-21-01  | ... Read More

Let us first create a table −mysql> create table DemoTable629 (StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, StudentSubject text); Query OK, 0 rows affected (0.77 sec)Insert some records in the table using insert command −mysql> insert into DemoTable629(StudentSubject) values('MySQL%'); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable629(StudentSubject) values('Spring%Hibernate'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable629(StudentSubject) values('%Java'); Query OK, 1 row affected (0.21 sec)Display all records from the table using select statement −mysql> select *from DemoTable629;This will produce the following output −+-----------+------------------+ | StudentId | StudentSubject   | +-----------+------------------+ |         ... Read More

Let us first create a table −mysql> create table DemoTable628 (Value DECIMAL(10, 2)); Query OK, 0 rows affected (0.52 sec)Insert some records in the table using insert command −mysql> insert into DemoTable628 values(10.97); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable628 values(20.04); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable628 values(12.00); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable628 values(89.56); Query OK, 1 row affected (0.20 sec)Display all records from the table using select statement −mysql> select *from DemoTable628;This will produce the following output −+-------+ | Value | +-------+ | 10.97 ... Read More

For this, use UPPER() on MySQL column. Let us first create a table −mysql> create table DemoTable627 (Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, FirstName varchar(100)); Query OK, 0 rows affected (0.62 sec)Insert some records in the table using insert command −mysql> insert into DemoTable627(FirstName) values(UPPER('John')); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable627(FirstName) values(UPPER('Sam')); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable627(FirstName) values(UPPER('Mike')); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable627(FirstName) values(UPPER('Carol')); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable627(FirstName) values(UPPER('dAVID')); Query OK, 1 row affected (0.70 ... Read More

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 table using insert command −mysql> insert into DemoTable626 values(9); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable626 values(12); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable626 values(567); Query OK, 1 row affected (0.21 sec) mysql> insert into DemoTable626 values(3478); Query OK, 1 row affected ... 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 affected (0.14 sec) mysql> insert into DemoTable625(StudentFirstName, StudentScore) values('Chris', 39); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable625(StudentFirstName, StudentScore) values('Bob', 41); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable625(StudentFirstName, StudentScore) values('David', 40); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable625(StudentFirstName, StudentScore) ... 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> insert into DemoTable624 values('2019-07-14 12:10:00', '2019-07-14 12:50:00'); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable624 values('2019-07-14 11:00:00', '2019-07-14 11:30:00'); Query OK, 1 row affected (0.34 sec)Display all records from the table using select statement −mysql> select *from DemoTable624;This will produce the following output −+---------------------+---------------------+ | PunchIn   ... 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', 'smith', 23); Query OK, 1 row affected (0.26 sec) mysql> insert into DemoTable623 values('Chris', 'Brown', 24); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable623 values('Robert', 'brown', 21); Query OK, 1 row affected (0.22 sec)Display all records from the table using select statement −mysql> select *from DemoTable623;This will ... Read More