In SQL you declare a text value by telling the system how much space to reserve for it. I understand why that was necessary 50 years ago, but I can't imagine today's SQL databases don't use some kind of heap. W
what does /*!50100 mean?Posted by: jongse park Date: September 02, 2012 07:23PM mysql> show create table t1; CREATE TABLE `t1` ( `CNTY_CD` varchar(3) COLLATE utf8_bin DEFAULT NULL, `CTNT_NM` varchar(300) CHARACTER SET utf8 DEFAULT NULL, ...
GrantingSUPERUSERMySQL privileges to a user hosted on a SiteGround server is not possible due to the server setup. Here is an example of a MySQL trigger: First, create the table for which the trigger will be set viaSSH: mysql>CREATE TABLEpeople(age INT, name varchar(150)); ...
mysql> create table emp (id int not null, fname varchar (30), lname varchar(30), store_id int not null ) partition by range (store_id) ( partition p0 values less than (6) tablespace tbs, partition p1 values less than(20) tablespace tbs1, partition p2 values less than...
Let's have some fun, shall we? Not many people are doing MySQL procedures, but let's try some. DROPPROCEDUREIFEXISTSadd_post_varchar;DROPPROCEDUREIFEXISTSadd_post_enum;DROPPROCEDUREIFEXISTSadd_post_int; DELIMITER$$CREATEPROCEDUREadd_post_varchar(number_of_postsINT)BEGINDECLAREloop_counterINTUNSIGN...
Each MySQL version is tested on many platforms before it is released. This does not mean that there are no bugs in MySQL, but if there are bugs, they should be very few and can be hard to find. If you have a problem, it always helps if you try to find out exactly what crashes ...
MySQL is a client-based database. Here’s a straightforward example of creating and adding data to a MySQL database: First, we set up a basic user table: CREATE TABLE New_Users ( ID INT AUTO_INCREMENT PRIMARY KEY, Name VARCHAR(255), Email VARCHAR(255)); Then add a new user: INSERT...
be researched and probably fixed, as you may guess MySQL does not pay me for performance research and more and I only have little spare time left 🙂 0 Roland Volkmann 17 years ago Peter, your boxhas RAID0, andI guess has stripe size of 128 KB. When I was testing ...
first_name varchar(255) ); SQL DELETE.The DELETE command removes rows from a named table. In this example, all records of employees with the last name Smithee are deleted: DELETE FROM Employees WHERE last_name='Smithee'; This delete statement returns the number of rows deleted when it finis...
Each MySQL version is tested on many platforms before it is released. This does not mean that there are no bugs in MySQL, but if there are bugs, they should be very few and can be hard to find. If you have a problem, it always helps if you try to find out exactly what crashes ...