For alphabetic search, use the REGEX in MySQL. Here, let’s say we are searching for records beginning with A, B or C. The syntax to use REGEXP for the same purpose is as follows −select *from yourTableName where yourColumnName REGEXP '^[ABC]';Let us first create a table −mysql> create table DemoTable ... Read More

TRIM is used to remove leading and trailing spaces. Let us first create a table −mysql> create table DemoTable (    StudentName varchar(100) ); Query OK, 0 rows affected (0.64 sec)Insert some records in the table using insert command. Here, we have inserted records with leading and trailing whitespaces −mysql> ... Read More

Let us first create a table −mysql> create table DemoTable (    DueDate date ); Query OK, 0 rows affected (0.56 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('2018-10-01'); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable values('2016-12-31'); Query OK, 1 ... Read More

Let us first create a table −mysql> create table DemoTable (    AdmissionDate varchar(100) ); Query OK, 0 rows affected (0.76 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('Sunday, 11 August 2019'); Query OK, 1 row affected (0.10 sec) mysql> insert into DemoTable values('Friday, ... Read More

Let us first create a table −mysql> create table DemoTable (    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    Value1 int,    Value2 int ); Query OK, 0 rows affected (0.55 sec)Insert some records in the table using insert command −mysql> insert into DemoTable(Value1, Value2) values(100, 150); Query OK, ... Read More

To replace, use REPLACE() function from MySQL. Let us first create a table −mysql> create table DemoTable (    Number varchar(100) ); Query OK, 0 rows affected (0.86 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('+916578675547'); Query OK, 1 row affected (0.17 sec) mysql> ... Read More

Let us first create a table −mysql> create table DemoTable (    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    ClientName varchar(100),    ClientAge int ); Query OK, 0 rows affected (0.92 sec)Insert some records in the table using insert command −mysql> insert into DemoTable(ClientName, ClientAge) values('Robert', 45); Query OK, ... Read More

To fetch the 2nd highest value, use ORDER BY DESC with LIMIT 1, 1. Let us first create a table −mysql> create table DemoTable (    StudentScore int ); Query OK, 0 rows affected (0.56 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(89); Query ... Read More

For this, use IS NULL property. Let us first create a table −mysql> create table DemoTable (    EmployeeName varchar(100),    EmployeeAge int ); Query OK, 0 rows affected (0.59 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('Chris', 32); Query OK, 1 row affected ... Read More

We will see an example and create a table wherein we have set StudentId column as AUTO_INCREMENT = 100 and used ZEROFILL as well −mysql> create table DemoTable (    StudentId int(7) ZEROFILL NOT NULL AUTO_INCREMENT,    PRIMARY KEY(StudentId) )AUTO_INCREMENT=100; Query OK, 0 rows affected (0.48 sec)Insert some records in ... Read More