AmitDiwan has Published 10740 Articles

Display records from MySQL stored Procedure with IF…THEN…END IF statements

AmitDiwan

AmitDiwan

Updated on 23-Aug-2019 11:01:36

240 Views

Let us first create a table −mysql> create table DemoTable643 (ClientId int); Query OK, 0 rows affected (0.86 sec)Insert some records in the table using insert command −mysql> insert into DemoTable643 values(1000); Query OK, 1 row affected (0.19 sec)Display all records from the table using select statement −mysql> select *from ... Read More

Get employee name from a specific company using MySQL GROUP BY?

AmitDiwan

AmitDiwan

Updated on 23-Aug-2019 10:57:30

186 Views

Let us first create a table −mysql> create table DemoTable642(    EmployeeId int NOT NULL AUTO_INCREMENT PRIMARY KEY, EmployeeName archar(100), EmployeeCompanyNamevarchar(100) ); Query OK, 0 rows affected (0.81 sec)Insert some records in the table using insert command −mysql> insert into DemoTable642(EmployeeName, EmployeeCompanyName) values('John', 'Google'); Query OK, 1 row affected (0.16 ... Read More

Display result of a table into a temp table with MySQL?

AmitDiwan

AmitDiwan

Updated on 23-Aug-2019 10:49:40

265 Views

Let us first create a table −mysql> create table DemoTable1 (Id int, Name varchar(100)); Query OK, 0 rows affected (0.89 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1 values(100, 'John'); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable1 values(110, 'Chris'); Query OK, ... Read More

How to create an INT field (not a primary key) that begins at 1000 with auto_increment in MySQL?

AmitDiwan

AmitDiwan

Updated on 23-Aug-2019 08:39:56

221 Views

For this, you need to set AUTO_INCREMENT as 1000 −alter table yourTableName AUTO_INCREMENT = 1000;Let us first create a table −mysql> create table DemoTable639 (    StudentId int PRIMARY KEY,    StudentStartId int AUTO_INCREMENT,    StudentName VARCHAR(50),    INDEX(StudentStartId) ); Query OK, 0 rows affected (0.86 sec)Following is the query ... Read More

Set special characters on values if condition is true in MySQL?

AmitDiwan

AmitDiwan

Updated on 23-Aug-2019 08:33:30

164 Views

For conditions, use IF(). Let us first create a table −mysql> create table DemoTable637    (ClientId int NOT NULL AUTO_INCREMENT PRIMARY KEY, ClientName varchar(100), ClientAge int ); Query OK, 0 rows affected (0.82 sec)Insert some records in the table using insert command −mysql> insert into DemoTable637(ClientName, ClientAge) values('Chris', 23); Query ... Read More

Implement two conditions for a single column in MySQL for null and empty value

AmitDiwan

AmitDiwan

Updated on 23-Aug-2019 08:27:21

165 Views

Let us first create a table −mysql> create table DemoTable635(    EmployeId int NOT NULL AUTO_INCREMENT PRIMARY KEY, EmployeeName varchar(100) ); Query OK, 0 rows affected (1.24 sec)Insert some records in the table using insert command −mysql> insert into DemoTable635(EmployeeName) values('John'); Query OK, 1 row affected (0.20 sec) mysql> insert ... Read More

MySQL query to display ranks of multiple columns?

AmitDiwan

AmitDiwan

Updated on 23-Aug-2019 08:09:28

413 Views

For this, use FIND_IN_SET() method. Let us first create a table −mysql> create table DemoTable634 (FirstName varchar(100), Marks int, Age int); Query OK, 0 rows affected (0.69 sec)Insert some records in the table using insert command −mysql> insert into DemoTable634 values('John', 60, 23); Query OK, 1 row affected (0.16 sec) ... Read More

Update a table based on StudentId value in MySQL?

AmitDiwan

AmitDiwan

Updated on 23-Aug-2019 08:05:49

225 Views

Let us first create a table −mysql> create table DemoTable633 (StudentId char(2) not null primary key, StudentName varchar(100)); Query OK, 0 rows affected (1.06 sec)Insert some records in the table using insert command −mysql> insert into DemoTable633 values('10', 'Chris'); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable633 ... Read More

Storing value from a MySQL SELECT statement to a variable?

AmitDiwan

AmitDiwan

Updated on 23-Aug-2019 07:54:46

698 Views

Let us first create a table −mysql> create table DemoTable631 (    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, StudentName varchar(100) ); Query OK, 0 rows affected (0.83 sec)Insert some records in the table using insert command −mysql> insert into DemoTable631(StudentName) values('John Smith'); Query OK, 1 row affected (0.17 sec) ... Read More

How to update the date format in MySQL?

AmitDiwan

AmitDiwan

Updated on 23-Aug-2019 07:51:27

628 Views

Let us first create a table −mysql> create table DemoTable630 (ArrivalDate varchar(100)); Query OK, 0 rows affected (0.55 sec)Insert some records in the table using insert command −mysql> insert into DemoTable630 values('2015-21-01'); Query OK, 1 row affected (0.09 sec) mysql> insert into DemoTable630 values('2018-25-12'); Query OK, 1 row affected (0.15 ... Read More

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