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MySQL Articles
Page 230 of 355
MySQL query to find the date records wherein the current date and time is in between the JoiningDate and RelievingDate
Use BETWEEN to find the date and time between joining and relieving date. NOW() is used to get the current date and time for comparison.Let us first create a table −mysql> create table DemoTable771 ( Joiningdate datetime, Relievingdate datetime ); Query OK, 0 rows affected (1.15 sec)Insert some records in the table using insert command −mysql> insert into DemoTable771 values('2016-01-21', '2016-09-23'); Query OK, 1 row affected (0.27 sec) mysql> insert into DemoTable771 values('2019-01-21', '2019-09-23'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable771 values('2017-04-01', '2018-12-31'); Query OK, 1 row affected (0.20 sec) ...
Read MoreUpdating only a single column value in MySQL?
Let us first create a table −mysql> create table DemoTable770 ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, Value int ); Query OK, 0 rows affected (0.65 sec)Insert some records in the table using insert command −mysql> insert into DemoTable770(Value) values(10); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable770(Value) values(90); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable770(Value) values(160); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable770(Value) values(450); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable770(Value) values(560); Query OK, 1 row affected ...
Read MoreHow to set country code to column values with phone numbers in MySQL?
To set country code to phone numbers would mean to concatenate. You can use CONCAT() for this.Let us first create a table −mysql> create table DemoTable769 (MobileNumber varchar(100)); Query OK, 0 rows affected (0.54 sec)Insert some records in the table using insert command −mysql> insert into DemoTable769 values('8799432434'); Query OK, 1 row affected (0.24 sec) mysql> insert into DemoTable769 values('9899996778'); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable769 values('7890908989'); Query OK, 1 row affected (0.21 sec) mysql> insert into DemoTable769 values('9090898987'); Query OK, 1 row affected (0.20 sec)Display all records from the table using select statement −mysql> ...
Read MoreMySQL query to convert a single digit number to two-digit
For this, you can use LPAD() and pad a value on the left.Let us first create a table −mysql> create table DemoTable767 (Value varchar(100)); Query OK, 0 rows affected (1.40 sec)Insert some records in the table using insert command −mysql> insert into DemoTable767 values('4'); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable767 values('5'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable767 values('6'); Query OK, 1 row affected (0.39 sec) mysql> insert into DemoTable767 values('1'); Query OK, 1 row affected (0.10 sec)Display all records from the table using select statement −mysql> select *from DemoTable767;This will ...
Read MoreAdd a character in the end to column values with MySQL SELECT?
For this, you need to perform concatenation using CONCAT().Let us first create a table −mysql> create table DemoTable766 (Name varchar(100)); Query OK, 0 rows affected (0.65 sec)Insert some records in the table using insert command −mysql> insert into DemoTable766 values('John'); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable766 values('Sam'); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable766 values('Carol'); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable766 values('David'); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable766 values('Bob'); Query OK, 1 row affected (0.12 sec)Display all records from the table ...
Read MoreHow to display highest value from a string with numbers set as varchar in MySQL?
For this, you need to cast the varchar value to INTEGER.Let us first create a table −mysql> create table DemoTable765 (ItemPrice varchar(200)); Query OK, 0 rows affected (0.52 sec)Insert some records in the table using insert command −mysql> insert into DemoTable765 values('567.00'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable765 values('1089.00'); Query OK, 1 row affected (0.10 sec) mysql> insert into DemoTable765 values('540.00'); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable765 values('788.00'); Query OK, 1 row affected (0.39 sec)Display all records from the table using select statement −mysql> select *from DemoTable765;This will produce the ...
Read MoreHow to concatenate columns based on corresponding duplicate id values in MySQL? Display the duplicate values in the same column separated by slash
For this, you can use GROUP_CONCAT().Let us first create a table −mysql> create table DemoTable764 ( ProductId int, ProductPrice int ); Query OK, 0 rows affected (0.56 sec)Insert some records in the table using insert command −mysql> insert into DemoTable764 values(101, 10000); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable764 values(102, 1090); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable764 values(103, 4000); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable764 values(102, 3450); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable764 values(101, 20000); Query OK, 1 row ...
Read MoreMySQL query to get result from multiple select statements?
To get result from multiple select statements, use UNION ALL. Following is the syntax −select yourValue1 AS anyColumnName UNION ALL select yourValue2 AS yourColumnName . . . . NLet us implement the above syntax in order to return enumeration of numbers in different rows −mysql> select 100 AS Number UNION ALL select 1000 AS Number UNION ALL select 10000 AS Number UNION ALL select 100000 AS Number UNION ALL select 1000000 AS Number UNION ALL select 10000000 AS Number UNION ALL select 100000000 AS Number UNION ALL select 1000000000 AS Number;This will produce the following output -+------------+ | Number | +------------+ | 100 | | 1000 | | 10000 | | 100000 | | 1000000 | | 10000000 | | 100000000 | | 1000000000 | +------------+ 8 rows in set (0.00 sec)
Read MoreHow to select last two rows in MySQL?
To select last two rows, use ORDER BY DESC LIMIT 2.Let us first create a table −mysql> create table DemoTable763 ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, FirstName varchar(100) ); Query OK, 0 rows affected (0.57 sec)Insert some records in the table using insert command −mysql> insert into DemoTable763(FirstName) values('John'); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable763(FirstName) values('Sam'); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable763(FirstName) values('Carol'); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable763(FirstName) values('David'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable763(FirstName) ...
Read MoreMySQL query to match any of the two strings from column values
For this, you can use LIKE operator with OR condition.Let us first create a table −mysql> create table DemoTable762 (Title text); Query OK, 0 rows affected (0.54 sec)Insert some records in the table using insert command −mysql> insert into DemoTable762 values('Introduction to Java'); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable762 values('MySQL is a RDBMS'); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable762 values('Data Structure and Algorithm in Java'); Query OK, 1 row affected (0.21 sec) mysql> insert into DemoTable762 values('Data Structure and Algorithm in C and C++'); Query OK, 1 row affected (0.18 ...
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