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Database Basics and Terminologies in MySQL
Where to find answers to frequently asked questions on Database Basics and Terminologies in MySQL? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Database Basics and Terminologies in MySQL to help you review your knowledge. A short answer is prov... 2017-07-21, 196👍, 0💬

Error: Deadlock Found When Trying to Get Lock in MySQL
What Happens to Your Transactions When ERROR 1213 Occurred in MySQL? If your transaction receives the "Deadlock found when trying to get lock" - ERROR 1213, MySQL server automatically terminates your transaction and rolls back your data changes of the entire transaction. This is why the error messag... 2017-07-21, 172👍, 0💬

What Is MySQL
What Is MySQL? MySQL is an open source database management system developed by MySQL AB, http://www.mysql.com.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-21, 165👍, 0💬

Locks, Timeouts, and Deadlocks in MySQL
What Are Impacts on Applications from Locks, Timeouts, and DeadLocks in MySQL? If you are using transactions with REPEATABLE READ isolation level and transaction safe storage engines in your applications, data locks, lock timeouts, and dead lock detections will impact your application in a concurren... 2017-07-21, 163👍, 0💬

Experiment with Dead Locks in MySQL
How To Experiment Dead Locks in MySQL? If you want to have some experience with dead locks, you can create two windows running two mysql transactions in two sessions at the REPEATABLE READ transaction isolation level. Then run some UPDATE statements as shown in the tutorial exercise below: (session ... 2017-07-21, 161👍, 0💬

What Is SQL in MySQL
What Is SQL in MySQL? SQL, SEQUEL (Structured English Query Language), is a language for RDBMS (Relational Database Management Systems). SQL was developed by IBM Corporation.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-15, 210👍, 0💬

What Is mSQL in MySQL
What Is mSQL in MySQL? Mini SQL (mSQL) is a light weight relational database management system capable of providing rapid access to your data with very little overhead. mSQL is developed by Hughes Technologies Pty Ltd. MySQL was started from mSQL and shared the same API.   ⇒Database Basics and Termi... 2017-07-15, 185👍, 0💬

What Is Table in MySQL
What Is Table in MySQL? A table is a data storage structure with rows and columns.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-15, 184👍, 0💬

What Is Row in MySQL
What Is Row in MySQL? A row is a unit of data with related data items stored as one item in one column in a table.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-15, 183👍, 0💬

What Is Column in MySQL
What Is Column in MySQL? A column defines one piece of data stored in all rows of the table.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-15, 171👍, 0💬

What Is Join in MySQL
What Is Join in MySQL? Join is data retrieval operation that combines rows from multiple tables under certain matching conditions to form a single row.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-07, 210👍, 0💬

What Is Foreign Key in MySQL
What Is Foreign Key in MySQL? A foreign key is a single column or multiple columns defined to have values that can be mapped to a primary key in another table.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-07, 207👍, 0💬

What Is Index in MySQL
What Is Index in MySQL? An index is a single column or multiple columns defined to have values pre-sorted to speed up data retrieval speed.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-07, 205👍, 0💬

What Is Union in MySQL
What Is Union in MySQL? Join is data retrieval operation that combines multiple query outputs of the same structure into a single output.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-07, 200👍, 0💬

What Is Primary key in MySQL
What Is Primary Key in MySQL? A primary key is a single column or multiple columns defined to have unique values that can be used as row identifications.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-07, 199👍, 0💬

What Is View in MySQL
What Is View in MySQL? A view is a logical table defined by a query statement.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-07, 199👍, 0💬

What Is ISAM in MySQL
What Is ISAM in MySQL? ISAM (Indexed Sequential Access Method) was developed by IBM to store and retrieve data on secondary storage systems like tapes.   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-03, 210👍, 0💬

What Is MyISAM in MySQL
What Is MyISAM in MySQL? MyISAM is a storage engine used as the default storage engine for MySQL database. MyISAM is based on the ISAM (Indexed Sequential Access Method) concept and offers fast data storage and retrieval. But it is not transaction safe.   ⇒Database Basics and Terminologies in MySQL ... 2017-07-03, 208👍, 0💬

What Is InnoDB in MySQL
What Is InnoDB in MySQL? InnoDB is a transaction safe storage engine developed by Innobase Oy (an Oracle company now).   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-03, 207👍, 0💬

What Is BDB in MySQL
What Is BDB (BerkeleyDB) in MySQL? BDB (BerkeleyDB) is transaction safe storage engine originally developed at U.C. Berkeley. It is now developed by Sleepycat Software, Inc. (an Oracle company now).   ⇒Database Basics and Terminologies in MySQL ⇒⇒MySQL Database Tutorials 2017-07-03, 199👍, 0💬

Looping through Query Output Rows in MySQL
How To Query Tables and Loop through the Returning Rows in MySQL? The best way to query tables and loop through the returning rows is to run the SELECT statement with the mysql_query() function, catch the returning object as a result set, and loop through the result with the mysql_fetch_assoc() func... 2017-06-28, 236👍, 0💬

Updating Existing Rows in MySQL
How To Update Existing Rows in a Table in MySQL? Updating existing rows in a table requires to run the UPDATE statement with a WHERE clause to identify the row. The following sample script updates one row with two new values: <?php include "mysql_connection.php"; $sql = "UPDATE fyi_links SET note... 2017-06-28, 219👍, 0💬

Breaking Query Output into Pages in MySQL
How To Break Query Output into Pages in MySQL? If you have a query that returns hundreds of rows, and you don't want to present all of them to your users on a single page. You can break output into multiple pages, and only present 10 rows per page like what Google Website is doing. To do this, you n... 2017-06-28, 216👍, 0💬

Quoting Text Values in MySQL
How To Quote Text Values in SQL Statements in MySQL? Text values in SQL statements should be quoted with single quotes ('). If the text value contains a single quote ('), it should be protected by replacing it with two single quotes (''). In SQL language syntax, two single quotes represents one sing... 2017-06-28, 210👍, 0💬

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