AmitDiwan has Published 10744 Articles

How to get max(id) of row data in MySQL?

AmitDiwan

AmitDiwan

Updated on 21-Aug-2019 12:16:55

7K+ Views

To get max(id), use MAX() method in MySQL. Following is the syntax −select MAX(yourColumnName) AS anyAliasName from yourTableName;Let us first create a table −mysql> create table DemoTable710 (Id int); Query OK, 0 rows affected (0.53 sec)Insert some records in the table using insert command −mysql> insert into DemoTable710 values(1001); Query ... Read More

Execute MySQL query from the terminal without printing results?

AmitDiwan

AmitDiwan

Updated on 21-Aug-2019 12:15:23

593 Views

Let us first create a table −mysql> create table DemoTable709 (Amount int); Query OK, 0 rows affected (0.62 sec)Insert some records in the table using insert command −mysql> insert into DemoTable709 values(100); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable709 values(560); Query OK, 1 row affected (0.15 ... Read More

Display records after a particular date in MySQL

AmitDiwan

AmitDiwan

Updated on 21-Aug-2019 12:12:22

2K+ Views

Let us first create a table −mysql> create table DemoTable708 (    CustomerName varchar(100),    ShippingDate date ); Query OK, 0 rows affected (0.51 sec)Insert some records in the table using insert command −mysql> insert into DemoTable708 values('John', '2019-01-21'); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable708 ... Read More

MySQL query to order by NULL values

AmitDiwan

AmitDiwan

Updated on 21-Aug-2019 12:10:19

197 Views

Let us first create a table −mysql> create table DemoTable707 (    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    StudentFirstName varchar(100),    StudentMarks int ); Query OK, 0 rows affected (0.59 sec)Insert some records in the table using insert command −mysql> insert into DemoTable707(StudentFirstName, StudentMarks) values('John', 45); Query OK, ... Read More

MySQL query to get the current date records wherein one of the columns displays current date

AmitDiwan

AmitDiwan

Updated on 21-Aug-2019 12:07:06

226 Views

To achieve this, following is the syntax wherein we have used DATE(NOW()) −select *from yourTableName where DATE(yourColumnName)=DATE(NOW());Let us first create a table −mysql> create table DemoTable706 (    UserId varchar(100),    UserName varchar(100),    UserSignupDate datetime ); Query OK, 0 rows affected (0.57 sec)Insert some records in the table using ... Read More

MySQL query to retrieve current date from a list of dates

AmitDiwan

AmitDiwan

Updated on 21-Aug-2019 12:05:32

257 Views

Let’s say the current date is −2019-07-22Let us first create a table −mysql> create table DemoTable705 (ShippingDate datetime); Query OK, 0 rows affected (0.67 sec)Insert some records in the table using insert command −mysql> insert into DemoTable705 values('2019-01-21 23:59:00'); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable705 ... Read More

Get count of how many times a string appears in a MySQL column?

AmitDiwan

AmitDiwan

Updated on 21-Aug-2019 12:04:15

358 Views

Let us first create a table −mysql> create table DemoTable704 (SubjectName text); Query OK, 0 rows affected (0.58 sec)Insert some records in the table using insert command −mysql> insert into DemoTable704 values('Introduction to MySQL'); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable704 values('Introduction to MongoDB'); Query OK, ... Read More

Return 0 in a new column when record is NULL in MySQL?

AmitDiwan

AmitDiwan

Updated on 21-Aug-2019 12:03:03

221 Views

For this, you can use CASE statement. Let us first create a table −mysql> create table DemoTable703 (Price int); Query OK, 0 rows affected (0.46 sec)Insert some records in the table using insert command −mysql> insert into DemoTable703 values(102); Query OK, 1 row affected (0.27 sec) mysql> insert into DemoTable703 ... Read More

Error occurs when table name “references” is set while creating a table

AmitDiwan

AmitDiwan

Updated on 21-Aug-2019 11:59:28

154 Views

You cannot give table name references because it is a reserved keyword. Wrap it using backticks, for example, `references`.Let us first create a table −mysql> create table `references`(Subject text); Query OK, 0 rows affected (0.44 sec)Insert some records in the table using insert command −mysql> insert into `references` values('Introduction To ... Read More

Update only the int in MySQL Field

AmitDiwan

AmitDiwan

Updated on 21-Aug-2019 11:58:23

101 Views

Let us first create a table −mysql> create table DemoTable702 (    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    StudentName varchar(100),    StudentScore int ); Query OK, 0 rows affected (0.56 sec)Insert some records in the table using insert command −mysql> insert into DemoTable702(StudentName, StudentScore) values('Chris', 56); Query OK, ... Read More

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