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How To Create a New Table
How To Create a New Table? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you want to create a new table, you can use the "CREATE TABLE" statement. The following tutorial script shows you how to create a table called "tip": mysql> CREATE TABLE tip (id INTEGER PRIMARY KEY, subj... 2007-05-11, 4703👍, 0💬

How To Create a New View
How To Create a New View? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements You can create a new view based on one or more existing tables by using the "CREATE VIEW viewName AS selectStatement" statement as shown in the following script: mysql> CREATE TABLE comment (faqID INTEGER, m... 2007-05-11, 4890👍, 0💬

How To Use IN Conditions
How To Use IN Conditions? - MySQL FAQs - Introduction to SQL Basics An IN condition is single value again a list of values. It returns TRUE, if the specified value is in the list. Otherwise, it returns FALSE. Some examples are given in the tutorial exercise below: SELECT 3 IN (1,2,3,4,5) FROM DUAL; ... 2007-05-11, 4542👍, 0💬

What Is TIMESTAMP
What Is TIMESTAMP? - MySQL FAQs - Introduction to SQL Date and Time Handling A TIMESTAMP data type allows you to record a date and time like DATETIME data type. But it has some interesting features when used on a table column: The first TIMESTAMP column in a table will be assigned with the current d... 2007-05-11, 4761👍, 0💬

What Are DDL Statements
What Are DDL Statements? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements DDL (Data Definition Language) statements are statements to create and manage data objects in the database. The are 3 primary DDL statements: CREATE - Creating a new database object. ALTER - Altering the defi... 2007-05-11, 4672👍, 0💬

What Are DML Statements
What Are DML Statements? - MySQL FAQs - Understanding SQL INSERT, UPDATE and DELETE Statements DML (Data Manipulation Language) statements are statements to change data values in database tables. The are 3 primary DML statements: INSERT - Inserting new rows into database tables. UPDATE - Updating ex... 2007-05-11, 4736👍, 0💬

What Are NULL Values
What Are NULL Values? - MySQL FAQs - Introduction to SQL Basics NULL is a special value that represents no value. Here are basic rules about NULL values: NULL presents no value. NULL is not the same as an empty string ''. NULL is not the same as a zero value 0. NULL can be used as any data type. NUL... 2007-05-11, 4909👍, 0💬

How To Properly Shutdown MySQL Server Daemon mysqld
How To Properly Shutdown MySQL Server Daemon mysqld? - MySQL FAQs - Server Daemon mysqld Administration The proper way to shutdown your MySQL server is to the use "mysqladmin shutdown" command. Other ways to shutdown your server include: Enter "mysqladmin -u root -ppassowrd shutdown" command with op... 2007-05-11, 4995👍, 0💬

How To Quote Date and Time Values in SQL Statements
How To Quote Date and Time Values in SQL Statements? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts If you want to provide date and time values in a SQL statement, you should write them in the format of "yyyy-mm-dd hh:mm:ss", and quoted with single quotes ('). The tutorial exerc... 2007-05-11, 5575👍, 0💬

What Are the Differences between BINARY and VARBINARY
What Are the Differences between BINARY and VARBINARY? - MySQL FAQs - Introduction to SQL Basics Both BINARY and VARBINARY are both binary byte data types. But they have the following major differences: BINARY stores values in fixed lengths. Values are padded with 0x00. VARBINARY stores values in va... 2007-05-11, 4836👍, 0💬

How To Connect to MySQL Server on a Different Port
How To Connect to MySQL Server on a Different Port? - MySQL FAQs - Server Daemon mysqld Administration If your MySQL server is listening on port number different than 3306, you need to specify "--port=portNumber" option to any client program that needs to connect to the server. The tutorial exercise... 2007-05-11, 4781👍, 0💬

How To Build WHERE Criteria with Web Form Search Fields
How To Build WHERE Criteria with Web Form Search Fields? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts If your PHP script is linked to a Web form which takes search key words for multiple data fields. For example, your Web form asks your visitor to search for Website links with... 2007-05-11, 6964👍, 0💬

What Are the Differences between CHAR and VARCHAR
What Are the Differences between CHAR and VARCHAR? - MySQL FAQs - Introduction to SQL Basics CHAR and VARCHAR are both ASCII character data types by default. But they have the following major differences: CHAR stores values in fixed lengths. Values are padded with space characters to match the speci... 2007-05-11, 4915👍, 0💬

How To Display a Past Time in Days, Hours and Minutes
How To Display a Past Time in Days, Hours and Minutes? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts You have seen a lots of Websites are displaying past times in days, hours and minutes. If you want to do this yourself, you can use the TIMEDIFF() SQL function. Note that the TI... 2007-05-11, 6722👍, 0💬

What Tools Available for Managing MySQL Server
What Tools Available for Managing MySQL Server? - MySQL FAQs - Administrator Tools for Managing MySQL Server MySQL comes with the following programs as administration tools for you to manage your MySQL server: mysqld - MySQL server daemon. You can use "mysqld" to start your MySQL server. mysqladmin ... 2007-05-11, 4847👍, 0💬

How To Load Data Files into Tables with "mysqlimport"
How To Load Data Files into Tables with "mysqlimport"? - MySQL FAQs - Administrator Tools for Managing MySQL Server If you want to load a data file directly into a table, you need to prepare the data file as one line per data row, and use tab character as the column delimiter. The data file name sho... 2007-05-11, 4812👍, 0💬

What Are the Differences between CHAR and NCHAR
What Are the Differences between CHAR and NCHAR? - MySQL FAQs - Introduction to SQL Basics Both CHAR and NCHAR are fixed length string data types. But they have the following differences: CHAR's full name is CHARACTER. NCHAR's full name is NATIONAL CHARACTER. By default, CHAR uses ASCII character se... 2007-05-11, 4901👍, 0💬

How To Dump a Table to a File with "mysqldump"
How To Dump a Table to a File with "mysqldump"? - MySQL FAQs - Administrator Tools for Managing MySQL Server If you want to dump all rows in a table from the server to a file, you can use "mysqldump" with the "-f fileName" option as show in the following tutorial exercise: >cd \mysql\bin >mysqldump ... 2007-05-11, 4927👍, 0💬

How To Shut Down the Server with "mysqladmin"
How To Shut Down the Server with "mysqladmin"? - MySQL FAQs - Administrator Tools for Managing MySQL Server If you want to shut down the server with "mysqladmin", you can use the command "mysqladmin shutdown" as shown in the following tutorial example: >cd \mysql\bin >mysqladmin -u root shutdown If ... 2007-05-11, 5119👍, 0💬

How To Run MySQL Server on a Different Port
How To Run MySQL Server on a Different Port? - MySQL FAQs - Server Daemon mysqld Administration By default, MySQL will listen at port number 3306 for any client connections. But you can change this by starting the server with "--port=portNumber" option. The tutorial exercise shows you how to start t... 2007-05-11, 4923👍, 0💬

How To Check Server Status with "mysqladmin"
How To Check Server Status with "mysqladmin"? - MySQL FAQs - Administrator Tools for Managing MySQL Server If you want to check the server status by with "mysqladmin", you can following this tutorial example: >cd \mysql\bin >mysqladmin -u root status Uptime: 223 Threads: 1 Questions: 1 Slow queries:... 2007-05-11, 4853👍, 0💬

How To Use mysqlbinlog to View Binary Logs
How To Use mysqlbinlog to View Binary Logs? - MySQL FAQs - Server Daemon mysqld Administration If you have binary logs turned on, you can use "mysqlbinlog" to view the binary log files. The tutorial exercise below shows you how to view two binary files together: >cd \mysql\bin >mysql -u root -pretne... 2007-05-11, 7353👍, 0💬

How To Quote Text Values in SQL Statements
How To Quote Text Values in SQL Statements? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts 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... 2007-05-11, 5337👍, 0💬

How To Get the ID Column Auto-Incremented
How To Get the ID Column Auto-Incremented? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts Many tables require an ID column to assign a unique ID number for each row in the table. For example, if you have a table to hold forum member profiles, you need an ID number to identify ea... 2007-05-11, 5515👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML