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About
AmitDiwan
434 Views
Let us first create a table −mysql> create table DemoTable ( AdmissionDate date ); Query OK, 0 rows affected (0.87 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('2019-08-24'); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable values('2019-08-25'); Query OK, 1 ... Read More
AmitDiwan
24 Views
Following is the syntax −select *from yourTableName order by yourColumnName*1, yourColumnName;Let us first create a table −mysql> create table DemoTable ( Value varchar(100) ); Query OK, 0 rows affected (0.62 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('90'); Query OK, 1 row affected ... Read More
AmitDiwan
301 Views
Following is the syntax −select if(yourColumnName, 1, -1) from yourTableName;Let us first create a table −mysql> create table DemoTable ( isMarried boolean ); Query OK, 0 rows affected (0.60 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(true); Query OK, 1 row affected (0.21 ... Read More
AmitDiwan
610 Views
Let us first create a table −mysql> create table DemoTable ( Value varchar(100) ); Query OK, 0 rows affected (0.75 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('100'); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable values(''); Query OK, 1 ... Read More
AmitDiwan
111 Views
Use BETWEEN to find the logins between two dates. Let us first create a table −mysql> create table DemoTable ( Login datetime ); Query OK, 0 rows affected (0.66 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('2019-08-10'); Query OK, 1 row affected (0.11 ... Read More
AmitDiwan
451 Views
Let us first create a table −mysql> create table DemoTable1045 ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, FirstName varchar(100) )AUTO_INCREMENT=100; Query OK, 0 rows affected (0.62 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1045(FirstName) values('John'); Query OK, 1 row affected (0.15 sec) ... Read More
AmitDiwan
104 Views
For this, use ORDER BY LIKE operator. Let us first create a table −mysql> create table DemoTable ( Name varchar(100) ); Query OK, 0 rows affected (0.60 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('John'); Query OK, 1 row affected (0.17 sec) mysql> ... Read More
AmitDiwan
346 Views
Use MAX() along with subquery for this Here, MAX() is used to get the maximum amount. Let us first create a table −mysql> create table DemoTable ( ProductId int NOT NULL AUTO_INCREMENT PRIMARY KEY, ProductName varchar(100), ProductAmount int ); Query OK, 0 rows affected (0.53 sec)Insert some ... Read More
AmitDiwan
243 Views
To compare the first date with the last date, use TIME_TO_SEC() along with MAX() and MIN(). Let us first create a table −mysql> create table DemoTable ( UserName varchar(100), UserPostDatetime datetime ); Query OK, 0 rows affected (0.65 sec)Insert some records in the table using insert command −mysql> ... Read More
AmitDiwan
566 Views
Let us first create a table −mysql> create table DemoTable ( Id int, Name varchar(100) ); Query OK, 0 rows affected (0.60 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(100, 'Chris'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable ... Read More