Found 4219 Articles for MySQLi

How to get last day of the next month in MySQL?

Ramu Prasad
Updated on 29-Jan-2020 05:11:19

229 Views

With the help of following MySQL query, we can get the last day of next month −mysql> SELECT LAST_DAY(now() + INTERVAL 1 MONTH) AS 'LAST DAY OF NEXT MONTH'; +------------------------+ | LAST DAY OF NEXT MONTH | +------------------------+ | 2017-11-30             | +------------------------+ 1 row in set (0.00 sec)

How to get last day of the previous month in MySQL?

Nishtha Thakur
Updated on 29-Jan-2020 05:12:09

3K+ Views

With the help of following MySQL query, we can get the last day of previous month −mysql> SELECT LAST_DAY(now() - INTERVAL 1 MONTH) AS 'LAST DAY OF PREVIOUS MONTH'; +----------------------------+ | LAST DAY OF PREVIOUS MONTH | +----------------------------+ | 2017-09-30                 | +----------------------------+ 1 row in set (0.00 sec)

Do we have any other statement in MySQL instead of SHOW COLUMNS to get the list of columns in an existing table?

Lakshmi Srinivas
Updated on 29-Jan-2020 05:12:52

65 Views

Yes, we can use DESCRIBE or EXPLAIN statements instead of SHOW COLUMNS statement to get the list of the columns in an existing table. In the example below we have applied DESCRIBE and EXPLAIN statement on ‘Employee’ table and got the same result set as got after SHOW COLUMNS statement −mysql> DESCRIBE Employee\G *************************** 1. row ***************************   Field: Id    Type: int(11)    Null: YES     Key: Default: NULL   Extra: *************************** 2. row ***************************   Field: Name    Type: varchar(20)    Null: YES     Key: Default: NULL   Extra: 2 rows in set (0.05 sec) ... Read More

How can we get a list of columns in an existing MySQL table?

Arjun Thakur
Updated on 29-Jan-2020 05:14:17

228 Views

Suppose if we forgot the names of the columns in an existing table then we can use SHOW COLUMNS statement as follows to get the list of columns −mysql> SHOW COLUMNS from Employee\G *************************** 1. row ***************************   Field: Id    Type: int(11)    Null: YES     Key: Default: NULL   Extra: *************************** 2. row ***************************   Field: Name    Type: varchar(20)    Null: YES     Key: Default: NULL   Extra: 2 rows in set (0.07 sec)In the example above, we got the list of columns of ‘Employee’ table with the help of SHOW COLUMNS statement.

How can we copy data with some condition/s from existing MySQL table?

Sai Nath
Updated on 29-Jan-2020 05:15:52

166 Views

As we know that we can copy the data and structure from an existing table by CTAS script. If we want to copy data with some condition/s then we need to use WHERE clause with CTAS script. Consider the example below −mysql> Create table EMP_BACKUP2 AS SELECT * from EMPLOYEE WHERE id = 300 AND Name = 'Mohan'; Query OK, 1 row affected (0.14 sec) Records: 1 Duplicates: 0 Warnings: 0 mysql> Select * from EMP_BACKUP2; +------+-------+ | Id   | Name  | +------+-------+ | 300  | Mohan | +------+-------+ 1 row in set (0.00 sec)In the example ... Read More

How can we create a new MySQL table by selecting specific column/s from another existing table?

karthikeya Boyini
Updated on 29-Jan-2020 05:16:32

133 Views

As we know that we can copy the data and structure from an existing table by CTAS script. If we want to select some specific column/s from another table then we need to mention them after SELECT. Consider the following example in which we have created a table named EMP_BACKUP1 by selecting a specific column ‘name’ from already existing table ‘Employee’ −mysql> Create table EMP_BACKUP1 AS Select name from employee; Query OK, 3 rows affected (0.25 sec) Records: 3 Duplicates: 0 Warnings: 0 mysql> Select * from EMP_BACKUP1; +--------+ | name   | +--------+ | Ram    | | ... Read More

How to get last day of the current month in MySQL?

Sravani S
Updated on 29-Jan-2020 05:17:54

337 Views

With the help of following MySQL query, we can get the last day of the current month −mysql> SELECT LAST_DAY(now()) AS 'LAST DAY OF CURRENT MONTH'; +---------------------------+ | LAST DAY OF CURRENT MONTH | +---------------------------+ | 2017-10-31                | +---------------------------+ 1 row in set (0.00 sec)

How to get the first day of next month in MySQL?

V Jyothi
Updated on 29-Jan-2020 05:18:35

912 Views

With the help of following MySQL query, we can get the first day of next month −mysql> SELECT DATE_FORMAT(CURDATE() + INTERVAL 1 MONTH,'%Y-%m-01') AS 'FIRST DAY OF NEXT MONTH'; +-------------------------+ | FIRST DAY OF NEXT MONTH | +-------------------------+ | 2017-11-01              | +-------------------------+ 1 row in set (0.00 sec)

How to get the first day of the previous month in MySQL?

Sreemaha
Updated on 29-Jan-2020 05:19:15

2K+ Views

With the help of following MySQL query, we can get the first day of previous month −mysql> SELECT DATE_FORMAT(CURDATE() - INTERVAL 1 MONTH,'%Y-%m-01') AS 'FIRST DAY OF PREVOIUS MONTH'; +-----------------------------+ | FIRST DAY OF PREVOIUS MONTH | +-----------------------------+ | 2017-09-01                  | +-----------------------------+ 1 row in set (0.00 sec)

How to get the first day of the current month in MySQL?

Priya Pallavi
Updated on 28-Jan-2020 12:19:18

1K+ Views

With the help of following MySQL query, we can get the first day of the current month −mysql> SELECT DATE_SUB(LAST_DAY(NOW()),INTERVAL DAY(LAST_DAY(NOW()))- 1 DAY) AS 'FIRST DAY OF CURRENT MONTH'; +----------------------------+ | FIRST DAY OF CURRENT MONTH | +----------------------------+ | 2017-10-01                 | +----------------------------+ 1 row in set (0.00 sec)

Advertisements