DELIMITER // CREATE FUNCTION rounddatetime(din DATETIME) RETURNS DATETIME BEGIN DECLARE ms, secs INT; SET ms = EXTRACT(MINUTE_SECOND FROM din); SET secs = (CASE WHEN ms BETWEEN 0 AND 1459 THEN + 0 - TIME_TO_SEC(ms) WHEN ms BETWEEN 1500 AND 2959 THEN + 1800 - TIME_TO_SEC(ms) WH...
User variables, even though not part of standard SQL, are great objects in MySQL. They allow to keep some “state” for the life of a session: a session can execute a statement to compute a value, store that value in a user variable, and use it in all next statements. This avoids ...
MySqlClient.MySqlConnection cannot be cast to [B]MySQL.Data.MySqlClient.MySqlConnection. [C#] How to make the Console Process delay [C#] Oracle.DataAccess issue - Unhandled exception of type System.TypeInitializationException occured in mscorlib.dll [C#] Regex - Best Validation of Domain? [C#]...
Add an image inside a container and add inputs (with a matching label) for each field. Wrap a element around them to process the input. You can learn more about how to process input in ourPHPtutorial. Example Username Password...
How to convert Bigint to Datetime in Mysql How to convert bigint to varchar in sql server ? How to Convert BitMap to Base64 String how to convert class(.cs) file to DLL using ASP.NET How to convert Convert HTML table to a DataSet asp.net how to convert csv data into json format ...
How To Create a Custom Radio Button Example /* Customize the label (the container) */ .container{ display:block; position:relative; padding-left:35px; margin-bottom:12px; cursor:pointer; font-size:22px; -webkit-user-select:none;
1 row in set (0.00 sec) We need to make a note of the file and position which will be used in the next step. Step 2 - Install and Configure MySQL on Server D We need to repeat the same steps that we followed on Server C. First we need to install it, which we can do with ...
Active-passive failover can also be referred to as master-slave failover.Active-activeIn active-active, both servers are managing traffic, spreading the load between them.If the servers are public-facing, the DNS would need to know about the public IPs of both servers. If the servers are ...
Determine the 10 largest tables in a database To determine the 10 largest tables in your database, run the following query: SELECTTABLE_SCHEMAAS`DB`,TABLE_NAMEAS`TABLE`,ROUND((DATA_LENGTH+INDEX_LENGTH+DATA_FREE)/1024/1024)AS`Size (MB)`,ROUND((DATA_FREE)/1...
Need data that relates demand & resources. MySQL version? Mostly OLTP or OLAP systems? How much RAM is available to MySQL? Post the result of ... select ifnull(engine,'TOTALS') as storage_engine, round(data/1024/1024,1) as dataMB, round(idx/1024/1024,1) as idxMB, round((data+idx...