SELECT DISTINCT CONCAT(fname,' ',lname) AS realname, staffid FROM staff LEFT OUTER JOIN calendar ON calendar.staffid = staff.staffid AND calendar.type IN ('arl','lsl') AND (calendar.start BETWEEN '$begin' AND ADDDATE('$begin', 6) OR '$begin' BETWEEN calendar.start AND calendar.en...
In the above command, the “COUNT()” function is utilized to count the number of rows in a particular table. Output That’s all about using a sample database in MySQL. Conclusion To use a sample database in MySQL, you need to download and extract the database files, log in to the ...
mysqlwill print them to the terminal instead. To check if the import was successful, log in to the MySQL shell and inspect the data. Selecting the new database withUSEnew_databaseand then useSHOW TABLES;or a similar command to look at some of the data....
Here, you can also select the Encoding type from a drop-down list and enable the Detect MySQL character set, Use compression, and Keep connection alive options. On the Security tab, you can configure security properties, such as SSL or SSH security properties. This tab also allows you to ...
One effective method to check if a particular string occurs in a MySQL table is by utilizing the SELECT statement along with the LOCATE() function.The LOCATE() function in MySQL is employed to find the position of the first occurrence of a substring within a given string. Its syntax is as...
Recently I was working with a customer wherein our focus was to carry out a performance audit of their multiple MySQL database nodes. We started looking into the stats of the performance schema. While working, the customer raised two interesting questions: how can he make complete use of the...
By far the simplest and most straightforward method for ensuring a particular column’s result set doesn’t contain NULL values is to use the IS NOT NULL comparison operator.For example, if we want to select all records in our books table where the primary_author column is not NULL, the ...
Connect to your MySQL database, and execute the following query, which will display how much unused space are available in every table. mysql> use thegeekstuff; mysql> select table_name, round(data_length/1024/1024) as data_length_mb, ...
Click Import in the top menu. Under File to Import, click Browse and select the backup file you previously created (it will either be a .sql .zip or .tar.gz file). Click Go at the bottom right to import the database file. When the database has been imported successfully, you should...
Thank you. It seems to work the way I wanted. The speed has somewhat improved. Many thanks again.Navigate: Previous Message• Next Message Options: Reply• Quote Subject Written By Posted How to exclude particular records in MySQL? Trevor Maggs November 20, 2007 05:23AM Re: How to...