Let us first create a −mysql> create table DemoTable1398    -> (    -> Marks int    -> ); Query OK, 0 rows affected (0.50 sec)Insert some records in the table using insert −mysql> insert into DemoTable1398 values(78); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable1398 values(82); ... Read More

For date comparison, you can use STR_TO_DATE(). Following is the syntax −select * from yourTableName where str_to_date(yourColumnName, 'yourFormatSpecifier') > curdate();Let us first create a −mysql> create table DemoTable1397    -> (    -> AdmissionDate varchar(40)    -> );s Query OK, 0 rows affected (0.97 sec)Insert some records in the table ... Read More

Let us first create a −mysql> create table DemoTable1396    -> (    -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    -> Name varchar(40),    -> Age int    -> ); Query OK, 0 rows affected (0.93 sec)Insert some records in the table using insert −mysql> insert into DemoTable1396(Name, ... Read More

Let us first create a −mysql> create table DemoTable1    -> (    -> Id int    -> ); Query OK, 0 rows affected (1.06 sec)Insert some records in the table using insert −mysql> insert into DemoTable1 values(1); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable1 values(NULL); ... Read More

To sort multiple columns, use ORDER BY GREATEST(). Let us first create a −mysql> create table DemoTable1395    -> (    -> Value1 int,    -> Value2 int,    -> Value3 int    -> ); Query OK, 0 rows affected (0.79 sec)Insert some records in the table using insert −mysql> ... Read More

For thousands number, use MySQL FORMAT(). Let us first create a −mysql> create table DemoTable1394    -> (    -> Amount decimal(7, 3)    -> ); Query OK, 0 rows affected (0.68 sec)Insert some records in the table using insert −mysql> insert into DemoTable1394 values(60); Query OK, 1 row affected ... Read More

Following is the syntax −select * from yourTableName where yourColumnName like '%a%a%a%';Let us first create a −mysql> create table DemoTable1393    -> (    -> CountryName varchar(40)    -> ); Query OK, 0 rows affected (0.71 sec)Insert some records in the table using insert −mysql> insert into DemoTable1393 values('andorra'); Query ... Read More

Let us first create a −mysql> create table DemoTable1392    -> (    -> ArrivalDate  date    -> ); Query OK, 0 rows affected (0.43 sec)Insert some records in the table using insert −mysql> insert into DemoTable1392 values('2019-09-10'); Query OK, 1 row affected (0.46 sec) mysql> insert into DemoTable1392 values('2019-09-26'); ... Read More

The error occurs because we have a comma at the end of the column names, just before “from tablename’. Here is the error you may have got −mysql> select ClientId, ClientName, ClientAge, from DemoTable1391; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds ... Read More

If the string begins with integer then it converts the string to integer, otherwise it won’t. Let us first create a −mysql> create table DemoTable1390    -> (    -> StudentId varchar(20)    -> ); Query OK, 0 rows affected (0.93 sec)Insert some records in the table using insert −mysql> ... Read More