The Math.Cos() method in C# is used to return the cosine of the angle set as a parameter.SyntaxFollowing is the syntax −public static double Cos (double val);Above, Val is the angle.ExampleLet us now see an example to implement Math.Cos() method −using System; public class Demo {    public static void ... Read More

For this, use SUBSTR() as in the below syntax −select * from yourTableName where substr(yourColumnName, 2, 1 ) = ' ';Let us first create a table −mysql> create table DemoTable1365     -> (     -> Value varchar(20)     -> ); Query OK, 0 rows affected (0.66 sec)Insert ... Read More

Let us first create a table. Here, we have set date as VARCHAR −mysql> create table DemoTable1364     -> (     -> ShippingDate varchar(100)     -> ); Query OK, 0 rows affected (0.87 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1364 values('01-09-2019 ... Read More

The Math.Ceiling() method in C# is used to return the smallest integral value greater than or equal to the specified number.SyntaxFollowing is the syntax −public static decimal Ceiling (decimal val); public static double Ceiling(double val)For the first syntax above, the value Val is the decimal number, whereas Val in the ... Read More

Let us first create a table −mysql> create table DemoTable1363     -> (     -> StudentId varchar(20)     -> ); Query OK, 0 rows affected (0.57 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1363 values('901'); Query OK, 1 row affected (0.20 sec) ... Read More

The Byte.GetHashCode() method in C# is used to return the hash code for the current instance.SyntaxFollowing is the syntax −public override int GetHashCode ();ExampleLet us now see an example to implement the Byte.GetHashCode() method −using System; public class Demo {    public static void Main(){       long val ... Read More

For this, the syntax is as follows −revoke show databases on *.* from 'yourUserName'@'yourHostName';Let us display all usernames along with host name −mysql> select user, host from MySQL.user;This will produce the following output −+------------------+-----------+ | user             | host      | +------------------+-----------+ | Bob ... Read More

The Byte.Equals(Object) method in C# returns a value indicating whether this instance is equal to a specified object.SyntaxFollowing is the syntax −public override bool Equals (object ob);Above, ob is an object to compare with this instance or null.ExampleLet us now see an example to implement the Byte.Equals(Object) method −using System; ... Read More

Use MySQL DECLARE for variables in stored procedure −DECLARE anyVariableName int DEFAULT anyValue;Let us implement the above syntax in order to create variables in stored procedure −mysql> DELIMITER // mysql> CREATE PROCEDURE variable_Demo()     -> BEGIN     -> DECLARE lastInsertedId int DEFAULT -1;     -> select lastInsertedId; ... Read More

The Boolean.CompareTo(Object) method in C# compares this instance to a specified object and returns an integer that indicates their relationship to one another.SyntaxFollowing is the syntax −public int CompareTo (object ob);Above, the parameter ob is an object to compare to this instance, or null.ExampleLet us now see an example to ... Read More