Microsoft Word - Sam's Teach Yourself MySQL in 21 Days - SAMS.doc
db=Meet_A_Geek;uid=sa;pwd=taco" .Open End With With mCmd .ActiveConnection = mConn .CommandType = adCmdText .CommandText = "UPDA ...
MySQL does not contain cursors for the simple reason that they are slow. The only way to accomplish cursor-type tasks is to crea ...
The next biggest detriment is the hassle and frustration that constraints can cause. Working around constraints, especially when ...
Day 19: Administrating MySQL Overview In this chapter, you will look at how to administrate MySQL. This covers a broad range of ...
that contains the CREATE TABLE statements and a table_name.txt file that contains the data. The data will be saved in tab-separa ...
DROP TABLE IF EXISTS customers; CREATE TABLE customers ( lastname varchar(30) DEFAULT '' NOT NULL, firstname varchar(30) DEFAULT ...
Lowe Justin 3 Hill Walk, Twin Creeks WI USA Spokes Chris Red Fern House, Bradwell Oxford UK Which Files Are Important Your overa ...
such rows to be skipped. If neither option is given and such a duplicate is found, an error occurs and the rest of the file is s ...
Run the MySQL server with logging by starting it with safe_mysqld --log- update &. Perform a mysqldump to create the full b ...
DATABASE() DATABASE() returns the name of the current database to which you are connected. For example, if your database is call ...
Now you can run exactly the same thing again: mysql> SELECT ENCRYPT('something secret'); This time the result is different: + ...
Decoding with the wrong password will give a spurious result, not an error. For example mysql> SELECT DECODE(ENCODE('my strin ...
-h, --host=hostname Connect to specified host. -p, --password[=password Specify password to use when connecting to server. I ...
Examine what these status reports mean: Uptime—The number of seconds since the mysqld daemon was started. Threads—The number ...
Note that a MySQL process, as shown on this process list, is different from a UNIX process. Although there may only appear to be ...
Record format: Packed table description: Key Start Len Index Type 1 1 6 multip. text 161 2 text 191 3 text Note Note that you wi ...
-e, --extend-check Checks a file very thoroughly. Not normally required because isamchk should find most errors without this o ...
If you run isamchk while there are corrupted keys, isamchk may assume that the data itself is corrupted and delete some of it. T ...
username -p database_name This will parse the entire file, drop the existing tables, and restore the whole file at the target ma ...
Another area to look at for performance gains is the disk drive. A faster disk provides faster results. If you have a table that ...
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