Insert multiple rows from another table but the inserted records should be distinct

AmitDiwan
Updated on 26-Sep-2019 07:24:07

195 Views

For this, you can use DISTINCT along with the INSERT INTO SELECT statement. Let us first create a table −mysql> create table DemoTable1 (    Value int ); Query OK, 0 rows affected (1.03 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1 values(50); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable1 values(10); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable1 values(10); Query OK, 1 row affected (0.10 sec) mysql> insert into DemoTable1 values(60); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable1 values(50); Query OK, 1 row ... Read More

HTML onpaste Event Attribute

AmitDiwan
Updated on 26-Sep-2019 07:22:51

138 Views

The HTML onpaste attribute is triggered when user paste some content in an HTML element in an HTML document.SyntaxFollowing is the syntax −Let us see an example of HTML onpaste event Attribute −Example Live Demo    body {       color: #000;       height: 100vh;       background: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%) no-repeat;       text-align: center;       padding: 20px;    }    p {       border: 2px solid #fff;       padding: 8px;       text-align: justify;    }    textarea {       ... Read More

Limit the count using GROUP BY in MySQL

AmitDiwan
Updated on 26-Sep-2019 07:20:43

885 Views

Let us first create a table −mysql> create table DemoTable (    UserId int,    UserMessage varchar(100) ); Query OK, 0 rows affected (0.51 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(1, 'Hi'); Query OK, 1 row affected (0.09 sec) mysql> insert into DemoTable values(2, 'Hello'); Query OK, 1 row affected (0.10 sec) mysql> insert into DemoTable values(2, 'Good'); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable values(1, 'Nice'); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable values(1, 'Awesome'); Query OK, 1 row affected (0.16 sec) mysql> insert ... Read More

Python Program for Find minimum sum of factors of number

Pavitra
Updated on 26-Sep-2019 07:18:50

489 Views

In this article, we will learn about the solution to the problem statement given below −Problem statementGiven a number input , find the minimum sum of factors of the given number.Here we will compute all the factors and their corresponding sum and then find the minimum among them.So to find the minimum sum of the product of number, we find the sum of prime factors of the product.Here is the iterative implementation for the problem −Example Live Demo#iterative approach def findMinSum(num):    sum_ = 0    # Find factors of number and add to the sum    i = 2    while(i * i

How to get MySQL query result in same order as given by IN clause?

AmitDiwan
Updated on 26-Sep-2019 07:18:18

924 Views

For this, you can use IN() along with ORDER BY FIELD(). Let us first create a table −mysql> create table DemoTable (    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    FirstName varchar(100) ); Query OK, 0 rows affected (0.64 sec)Insert some records in the table using insert command −mysql> insert into DemoTable(FirstName) values('Chris'); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable(FirstName) values('Robert'); Query OK, 1 row affected (0.08 sec) mysql> insert into DemoTable(FirstName) values('Mike'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable(FirstName) values('Sam'); Query OK, 1 row affected (0.12 sec) mysql> insert into ... Read More

Python Program for Find largest prime factor of a number

Pavitra
Updated on 26-Sep-2019 07:16:48

3K+ Views

In this article, we will learn about the solution to the problem statement given below −Problem statementGiven a positive integer n. We need to find the largest prime factor of a number.ApproachFactorise the given number input by dividing it with the divisor of a number.Now keep updating the maximum prime factor.Example Live Demoimport math def maxPrimeFactor(n):    # number must be even    while n % 2 == 0:       max_Prime = 2       n /= 1    # number must be odd    for i in range(3, int(math.sqrt(n)) + 1, 2):       while n ... Read More

How to display all the MySQL tables in one line?

AmitDiwan
Updated on 26-Sep-2019 07:15:49

341 Views

Use information_schema.tables to display all the tables. With that, se the database name as well, so that you can display tables only from a specific database.Let us now display all the tables in the database “web” −mysql> select group_concat(table_name) from information_schema.tables where table_schema='web';This will produce the following output −+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | group_concat(table_name) | +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | demo_table725, demotabe619, demotabe620, demotable211, demotable212, demotable213, demotable214, demotable215, demotable216, demotable217, demotable218, demotable219, demotable220, demotable221, demotable222, demotable223, demotable224, demotable225, demotable226, demotable227, demotable228, demotable229, demotable230, demotable231, demotable232, demotable233, demotable234, demotable235, demotable236, demotable237, demotable238, demotable239, demotable240, demotable241, demotable244, demotable245, demotable246, demotable247, demotable248, demotable249, demotable250, demotable251, demotable252, demotable 253, demotable254, ... Read More

How to select all the characters after the first 20 characters from a column in MySQL?

AmitDiwan
Updated on 26-Sep-2019 07:11:59

153 Views

Let us first create a table −mysql> create table DemoTable (    Title text ); Query OK, 0 rows affected (0.86 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('C is a good programming language to start'); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable values('Java is good with data structure and algorithm'); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable values('Coding is very important'); Query OK, 1 row affected (0.20 sec)Display all records from the table using select statement −mysql> select *from DemoTable;This will produce the following output ... Read More

MySQL query to find single value from duplicates with certain condition by excluding other records using NOT IN

AmitDiwan
Updated on 26-Sep-2019 07:08:35

44 Views

Let us first create a table −mysql> create table DemoTable (    Id int,    FirstName varchar(100) ); Query OK, 0 rows affected (0.69 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(100, 'Chris'); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable values(100, 'Robert'); Query OK, 1 row affected (0.48 sec) mysql> insert into DemoTable values(100, 'Mike'); Query OK, 1 row affected (0.23 sec) mysql> insert into DemoTable values(100, 'Sam'); Query OK, 1 row affected (0.48 sec) mysql> insert into DemoTable values(101, 'David'); Query OK, 1 row affected (0.19 sec) mysql> insert ... Read More

Underscore as a table name in MySQL is possible?

AmitDiwan
Updated on 26-Sep-2019 07:05:44

166 Views

Yes, we can add underscore as a table name using backticks around the table name. Following is the syntax −INSERT INTO `yourTableName` values(yourValue1, .......N);Let us first create a table −mysql> create table `DemoTable_1` (    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    Location varchar(100) ); Query OK, 0 rows affected (1.17 sec)Insert some records in the table using insert command −mysql> insert into `DemoTable_1`(Location) values('C:/myFolder/JavaFiles'); Query OK, 1 row affected (0.20 sec) mysql> insert into `DemoTable_1`(Location) values('E:/AllJarOfJava'); Query OK, 1 row affected (0.17 sec) mysql> insert into `DemoTable_1`(Location) values('C:/ProgramFiles'); Query OK, 1 row affected (0.17 sec)Display all records from ... Read More

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