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This Is Your Brain On Informatics: MariaDB: Difference between revisions

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| AS ''var'' || || Sets an output to a variable  
| AS ''var'' || || Sets an output to a variable  
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|-
| CREATE TABLE `[table]` || Creates a table of the given name with the properly input variable (see below)
| AUTO_INCREMENT || || Automatically adds +1 to an entry for a column for each successive entry
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| FROM || || Denotes which table SELECT pulls the columns from (e.g. SELECT [col1],[col2] FROM `''table''`
| AVG() || || Gives an average of the values in the indicated column
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| BIGINT || || 64-bit integer
| BIGINT || || 64-bit integer
|
| INT || || 32-bit integer
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|-
| UNSIGNED || || only allows positive integers or float values, always assigned after BIGINT or INT value
| CHAR || || Assigns a character variable (allows ONLY 1 character)
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|-
| AUTO_INCREMENT || || Automatically adds +1 to an entry for a column for each successive entry
| CREATE TABLE `''table''` || Creates a table of the given name with the properly input variable (see below)
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|-
| PRIMARY KEY || || Indicates which variable will differentiate each data entry
| CREATE TEMPORARY TABLE `[table]` || || Creates a temporary table of the given name
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| VARCHAR(#) || || Assigns a character array variable of length #
| DATE || || Assigns a date variable of the form 00-00-0000
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|-
| CHAR || || Assigns a character variable (allows ONLY 1 character)
| FROM || || Denotes which table SELECT pulls the columns from (e.g. SELECT [col1],[col2] FROM `''table''`
|-
|-
| DATE || || Assigns a date variable of the form 00-00-0000
| INSERT || INSERT INTO ''table_name''<br /><br />VALUES (''value1,value2,value3,...'');<br /><br />INSERT INTO ''table_name'' (''column1,column2,column3,...'')<br /><br />VALUES (''value1,value2,value3,...''); -- specifies the columns the values go into || Used with INTO to insert new data entries into the specified columns
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|-
| AVG() || || Gives an average of the values in the indicated column
| INT || || 32-bit integer
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| MAX() || || Gives the maximum of the values in the indicated column
| INTO || SELECT * or ''column_name(s)''<br />INTO ''newtable'' [IN ''externaldb'']<br />FROM ''table1'';|| Used with SELECT command to copy ''column_names'' from ''table1'' into ''newtable''
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| MIN() || || Gives the minimum of the values in the indicated column
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| LIMIT # || || Limits to the top # number of entries (not necessarily by rank)
| LIMIT # || || Limits to the top # number of entries (not necessarily by rank)
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|-
| CREATE TEMPORARY TABLE `[table]` || || Creates a temporary table of the given name
| MAX() || || Gives the maximum of the values in the indicated column
|-
|-
| INSERT || INSERT INTO ''table_name''<br /><br />VALUES (''value1,value2,value3,...'');<br /><br />INSERT INTO ''table_name'' (''column1,column2,column3,...'')<br /><br />VALUES (''value1,value2,value3,...''); -- specifies the columns the values go into || Used with INTO to insert new data entries into the specified columns
| MIN() || || Gives the minimum of the values in the indicated column
|-
|-
| INTO || SELECT * or ''column_name(s)''<br />INTO ''newtable'' [IN ''externaldb'']<br />FROM ''table1'';|| Used with SELECT command to copy ''column_names'' from ''table1'' into ''newtable''
| PRIMARY KEY || || Indicates which variable will differentiate each data entry
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|-
| SELECT || || Selects columns from a database for analysis
| SELECT || || Selects columns from a database for analysis
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| UNSIGNED || || only allows positive integers or float values, always assigned after BIGINT or INT value
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| UPDATE || UPDATE ''table_name''<br />SET ''column1=value1,column2=value2,...''<br />WHERE ''some_column''=''some_value;'' || Changes ''column1'' to ''value1'' based on the WHERE statement (use something unique to update only one row)
| UPDATE || UPDATE ''table_name''<br />SET ''column1=value1,column2=value2,...''<br />WHERE ''some_column''=''some_value;'' || Changes ''column1'' to ''value1'' based on the WHERE statement (use something unique to update only one row)
|-  
|-  
| USE ''database'' || || Selects database for manipulation and analysis
| USE ''database'' || || Selects database for manipulation and analysis
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| VARCHAR(#) || || Assigns a character array variable of length #
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| WHERE || || Limits the available values SELECT can pull from each column based on a logical statement (e.g. WHERE ''col1'' < 10)
| WHERE || || Limits the available values SELECT can pull from each column based on a logical statement (e.g. WHERE ''col1'' < 10)
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