Assume there is a column named MARKS in the table STUDENT_DETAILS, and we need to calculate the average. The following query will be necessary: SELECT AVG(MARKS) AVERAGE FROM STUDENT_DETAILS; This
See how to empower MySQL to send the batched statements in a single request???or as much as possible in a single request: via rewriteBatchedStatements = true:JDBC URL = …?rewriteBatchedStatements=true
MySQL has user management and user privileges can be created and modified by the database administrators???or users with administration rights. In my environment, this is the result of the command:
At times, we need a certain combination of column values to be unique in a table. With MySQL, this can be achieved using the UNIQUE keyword. There can be a
Considering the following table STOCKPRICE and its details. CREATE TABLE `STOCKPRICE` (`ID` INT(11) NOT NULL,`NAME` TEXT NOT NULL COLLATE ‘utf8_bin’,`PRICE` INT(11) NOT NULL)COLLATE=’utf8_bin’ENGINE=InnoDB; Also, use the following to create sample
Considering the following table STOCKPRICE and its details. CREATE TABLE ‘STOCKPRICE’ (‘ID’ INT(11) NOT NULL,’NAME’ TEXT NOT NULL COLLATE ‘utf8_bin’,’PRICE’ INT(11) NOT NULL)COLLATE=’utf8_bin’ENGINE=InnoDB; Also, use the following to create sample
MySQL provides a NOW()?function that returns the current date and time when executed. Command: SELECT NOW() AS ‘CURRENT DATE AND TIME’; Expected output: +————————-+|CURRENT DATE AND TIME |+————————-+| 2018-03-20 19:22:17
MySQL queries can help us work with null values in queries and behave as we need. IFNULL?is a suitable function and can be used where you want to treat null
During the development lifecycle, we may decide on a name for a table and later want to rename it based on the usage of the table. Let’s assume that there