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The Convert.ToDateTime() method in C# converts the specified string representation of a number to an equivalent date and time, using the specified culture-specific formatting information.SyntaxFollowing is the syntax −public static DateTime ToDateTime (string val, IFormatProvider provider);Above, value is a string that contains a date and time to convert, whereas the provider is an object that supplies culture-specific formatting information.ExampleLet us now see an example to implement the Convert.ToDateTime() method −using System; using System.Globalization; public class Demo { public static void Main(){ CultureInfo cultures = new CultureInfo("en-US"); String val = "11/11/2019"; ... Read More
Use HAVING COUNT() for this. Let us first create a table −mysql> create table DemoTable1351 -> ( -> StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> StudentName varchar(40) -> ); Query OK, 0 rows affected (1.08 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1351(StudentName) values('Chris'); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable1351(StudentName) values('Bob'); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable1351(StudentName) values('Bob'); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable1351(StudentName) values('David'); Query OK, 1 row affected (0.11 ... Read More
The Convert.ToChar() method in C# is used to convert the first character of a specified string to a Unicode character, using specified culture-specific formatting information.SyntaxFollowing is the syntax −public static char ToChar (string val, IFormatProvider provider);Above, the parameter value is a string of length 1 or null and the parameter provider is an object that supplies culture-specific formatting information. This parameter is ignored.ExampleLet us now see an example to implement the Convert.ToChar() method −using System; using System.Globalization; public class Demo { public static void Main(){ CultureInfo cultures = new CultureInfo("en-US"); String val = ... Read More
The DateTime.ToLongTimeString() method in C# is used to convert the value of the current DateTime object to its equivalent long time string representation.SyntaxFollowing is the syntax −public string ToLongTimeString ();ExampleLet us now see an example to implement the DateTime.ToLongTimeString() method −using System; using System.Globalization; public class Demo { public static void Main() { DateTime d = DateTime.Now; Console.WriteLine("Date = {0}", d); Console.WriteLine("Current culture = "+CultureInfo.CurrentCulture.Name); var pattern = CultureInfo.CurrentCulture.DateTimeFormat; string str = d.ToLongTimeString(); Console.WriteLine("Long time string = {0}", pattern.LongTimePattern); ... Read More
You can avoid with the help of providing the value (NULL, 0, DEFAULT) with AUTO_INCREMENT. Let us first create a table −mysql> create table DemoTable1350 -> ( -> StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> StudentName varchar(20) -> ); Query OK, 0 rows affected (0.44 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1350 values(NULL, 'Chris'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable1350 values(0, 'Chris'); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable1350 values(DEFAULT, 'Chris'); Query OK, 1 row affected (0.10 sec)Display all records ... Read More
The DateTime.ToLongDateString() method in C# is used to convert the value of the current DateTime object to its equivalent long date string representation.SyntaxFollowing is the syntax −public string ToLongDateString ();ExampleLet us now see an example to implement the DateTime.ToLongDateString() method −using System; public class Demo { public static void Main() { DateTime d = new DateTime(2019, 10, 11, 9, 10, 45); Console.WriteLine("Date = {0}", d); string str = d.ToLongDateString(); Console.WriteLine("Long date string representation = {0}", str); } }OutputThis will produce the following output −Date = 10/11/2019 ... Read More
Let us first create a table −mysql> create table DemoTable1349 -> ( -> ProductId int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> ProductPrice int -> ); Query OK, 0 rows affected (0.71 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1349(ProductPrice) values(7644); Query OK, 1 row affected (0.28 sec) mysql> insert into DemoTable1349(ProductPrice) values(90843); Query OK, 1 row affected (0.06 sec) mysql> insert into DemoTable1349(ProductPrice) values(9083); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable1349(ProductPrice) values(10000); Query OK, 1 row affected (0.12 sec)Display all records from the table using select statement ... Read More
The DateTime.ToLocalTime() method in C# is used to convert the value of the current DateTime object to local time.SyntaxFollowing is the syntax −public DateTime ToLocalTime ();ExampleLet us now see an example to implement the DateTime.ToLocalTime() method −using System; public class Demo { public static void Main() { DateTime d = DateTime.Now; Console.WriteLine("Date = {0}", d); DateTime res = d.ToLocalTime(); Console.WriteLine("Local Time = {0}", res); } }OutputThis will produce the following output −Date = 10/16/2019 8:28:29 AM Local Time = 10/16/2019 8:28:29 AMExampleLet us now see another ... Read More
Following is the syntax −select * from yourTableName order by yourColumnName=0, yourColumnName;Let us first create a table −mysql> create table DemoTable1348 -> ( -> Amount int -> ); Query OK, 0 rows affected (0.80 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1348 values(100); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable1348 values(0); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable1348 values(90); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable1348 values(45); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable1348 values(0); Query ... Read More
For this, you can use the join concept. Let us first create a table −mysql> create table DemoTable1 -> ( -> Id int, -> Name varchar(10) -> ); Query OK, 0 rows affected (0.51 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1 values(100, 'Bob'); Query OK, 1 row affected (0.14 sec)Display all records from the table using select statement −mysql> select * from DemoTable1;This will produce the following output −+------+------+ | Id | Name | +------+------+ | 100 | Bob | +------+------+ 1 row in set (0.00 ... Read More