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What Is "mysqladmin" Command in MySQL
What Is "mysqladmin" in MySQL? "mysqladmin" is a command-line interface for administrators to perform server administration tasks. It support a number of commonly used commands like: "mysqladmin shutdown" - Shuts down the server. "mysqladmin ping" - Checks if the server is alive or not. "mysqladmin ...
2018-06-01, 1699🔥, 0💬

What Is "mysql" Command in MySQL
What Is "mysql" in MySQL? "mysql" is a command-line interface for end users to manage user data objects. You can use "mysql" to run any standard SQL statements against the server. For example, you use the following SQL statements to manage tables and table rows: "CREATE TABLE links (name VARCHAR(80)...
2018-05-19, 1606🔥, 0💬

What Is "mysqlimport" Command in MySQL
What Is "mysqlimport" in MySQL? "mysqlimport" - A command-line interface for administrators or end users to load data files into tables program tool to load data into tables. Here is a sample commands supported by "mysqlimport": "mysqlimport databaseName fileName" - Imports the data from the specifi...
2018-05-19, 1600🔥, 0💬

Dump a Table to a File with "mysqldump" Command in MySQL
How To Dump a Table to a File with "mysqldump" in MySQL? 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: &gt;cd \mysql\bin &gt;mysqldump -u root -r \temp\links.txt test links ...
2018-05-19, 1590🔥, 0💬

List Table Names with "mysqlshow" Command in MySQL
How To Show Table Names with "mysqlshow" in MySQL? If you want to show table names with "mysqlshow", you need to specify a database name. The followings tutorial exercise shows you how to get all table names that match a pattern: If you want analyze tables with "mysqlcheck", you need to use the "--a...
2018-05-19, 1533🔥, 0💬

What Is "mysqldump" Command in MySQL
What Is "mysqldump" in MySQL? "mysqldump" - A command-line interface for administrators or end users to export data from the server to files. Here are some sample commands supported by "mysqldump": "mysqldump databaseName tableName" - Dumps the specified table in the specified database. "mysqldump d...
2018-05-19, 1500🔥, 0💬

"mysql" Command Line Arguments in MySQL
What Are the "mysql" Command Line Arguments in MySQL? "mysql" supports only one optional command line argument, "database". But "mysql" allows the operating system to redirect input and output streams at the command line level. Here are some good examples: "mysql databaseName" - Starts "mysql" in in...
2018-04-28, 1856🔥, 0💬

"mysql" - Command Line End User Interface in MySQL
What Is the Command Line End User Interface - mysql in MySQL? "mysql", official name is "MySQL monitor", is a command-line interface for end users to manage user data objects. "mysql" has the following main features: "mysql" is command line interface. It is not a Graphical User Interface (GUI). "mys...
2018-04-28, 1750🔥, 0💬

"mysql" Command Line Options in MySQL
What Are the "mysql" Command Line Options in MySQL? "mysql" offers a big list of command line options. Here are some commonly used options: "-?" - Displays a help message on how to use "mysql" and terminates the program. "-u userName" - Specifies a user name for the server to authenticate when conne...
2018-04-28, 1681🔥, 0💬

Command-Line End User Interface 'mysql'
Where to find answers to frequently asked questions on Command-Line End User Interface "mysql"? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Command-Line End User Interface "mysql". Clear answers are provided with tutorial exercises on mysql co...
2018-04-28, 1625🔥, 0💬

Loading Data Files with "mysqlimport" Command in MySQL
How To Load Data Files into Tables with "mysqlimport" in MySQL? 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 should match the target table name. The following is a ...
2018-04-28, 1609🔥, 0💬

Returning Query Output in XML Format in MySQL
How To Return Query Output in XML Format in MySQL? By default, "mysql" returns query output in text table format. If you want to receive query output in XML format, you need to use the "-X" command option. Here is a good tutorial exercise: &gt;cd \mysql\bin &gt;mysql -u root -X test mysql&am...
2018-04-21, 1838🔥, 0💬

Introduction to SQL Basics in MySQL
Where to find answers to frequently asked questions on Introduction to SQL Basics in MySQL? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Introduction to SQL Basics in MySQL. Clear answers are provided with tutorial exercises on character and nu...
2018-04-21, 1599🔥, 0💬

DDL Commands Supported in MySQL
How Many SQL DDL Commands Are Supported by "mysql" in MySQL? There are 4 SQL Data Definition Language (DDL) commands that are supported by "mysql". They are listed below with short descriptions: "CREATE dataObjectType dataObjectName" - Creates new databases, tables, views, triggers, indexes, and oth...
2018-04-21, 1464🔥, 0💬

What Is SQL Standard in MySQL
What Is SQL Standard in MySQL? SQL, SEQUEL (Structured English Query Language), is a language for RDBMS (Relational Database Management Systems). SQL was developed by IBM Corporation. SQL became an ANSI standard, called SQL-87, in 1986. ISO made a major revision, called SQL-92, in 1992. The latest r...
2018-04-21, 1413🔥, 0💬

Groups of Data Types in MySQL
How Many Groups of Data Types in MySQL? MySQL support 3 groups of data types as listed below: String Data Types - CHAR, NCHAR, VARCHAR, NVARCHAR, BINARY, VARBINARY, TINYBLOB, TINYTEXT, BLOB, TEXT, MEDIUMBLOB, MEDIUMTEXT, LONGBLOB, LONGTEXT, ENUM, SET Numeric Data Types - BIT, TINYINT, BOOLEAN, SMALL...
2018-04-21, 1497🔥, 0💬

Escape Special Characters in MySQL
How To Escape Special Characters in SQL statements in MySQL? There are a number of special characters that needs to be escaped (protected), if you want to include them in a character string. Here are some basic character escaping rules: The escape character (\) needs to be escaped as (\\). The singl...
2018-04-12, 2286🔥, 0💬

Character String Data Types in MySQL
What Are Character String Data Types in MySQL? MySQL supports the following string data types: CHAR(n) same as CHARACTER(n) - Fixed width and " " padded characters strings. Default character set is ASCII. NCHAR(n) same as NATIONAL CHARACTER(n) - Fixed width and " " padded character strings with UTF8...
2018-04-12, 1550🔥, 0💬

Evaluating Expressions with SELECT Statements in MySQL
How To Calculate Expressions with SELECT Statements in MySQL? There is no special SQL statements to calculate expressions. But you can use the "SELECT expression FROM DUAL" statement return the calculated value of an expression. "DUAL" is a dummy table in the server. The tutorial exercise below show...
2018-04-12, 1473🔥, 0💬

Including Comments in SQL Statements in MySQL
How To Include Comments in SQL Statements in MySQL? If you want to include comments in a SQL statement, you can first enter "--", then enter your comment until the end of the line. The tutorial exercise below shows you some good examples: SELECT 'Hello world!' FROM DUAL; -- My first SQL statement! I...
2018-04-12, 1439🔥, 0💬

Entering Character Strings in MySQL
How To Include Character Strings in SQL statements in MySQL? If you want to include character strings in your SQL statements, you need to quote them in one of the following formats: Using single quotes. For example 'FYIcenter.com'. Using double quotes. For example "FYI Center". Using single quotes p...
2018-04-12, 1386🔥, 0💬

Concatenating Character Strings in MySQL
How To Concatenate Two Character Strings in MySQL? If you want concatenate multiple character strings into one, you need to use the CONCAT() function. Here are some good examples: SELECT CONCAT('Welcome',' to') FROM DUAL; Welcome to SELECT CONCAT('FYI','center','.com') FROM DUAL; FYIcenter.com   ⇒ E...
2018-04-07, 1381🔥, 0💬

Entering Characters as HEX Numbers in MySQL
How To Enter Characters as HEX Numbers in MySQL? If you want to enter characters as HEX numbers, you can quote HEX numbers with single quotes and a prefix of (X), or just prefix HEX numbers with (0x). A HEX number string will be automatically converted into a character string, if the expression cont...
2018-03-31, 1822🔥, 0💬

Entering Binary Numbers in MySQL
How To Enter Binary Numbers in SQL Statements in MySQL? If you want to enter character strings or numeric values as binary numbers, you can quote binary numbers with single quotes and a prefix of (B), or just prefix binary numbers with (0b). Binary numbers will be automatically converted into charac...
2018-03-31, 1556🔥, 0💬

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