大约有 40,000 项符合查询结果(耗时:0.0257秒) [XML]

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Capitalize first letter. MySQL

... You can use a combination of UCASE(), MID() and CONCAT(): SELECT CONCAT(UCASE(MID(name,1,1)),MID(name,2)) AS name FROM names; share | improve this answer | ...
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Is there a Max function in SQL Server that takes two values like Math.Max in .NET?

... return isnull(@val2,@val1) end ... and you would call it like so ... SELECT o.OrderId, dbo.InlineMax(o.NegotiatedPrice, o.SuggestedPrice) FROM Order o share | improve this answer | ...
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How do I see what character set a MySQL database / table / column is?

... Here's how I'd do it - For Schemas (or Databases - they are synonyms): SELECT default_character_set_name FROM information_schema.SCHEMATA WHERE schema_name = "schemaname"; For Tables: SELECT CCSA.character_set_name FROM information_schema.`TABLES` T, information_schema.`COLLATION_CHAR...
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mysql -> insert into tbl (select from another table) and some default values [duplicate]

As the title says, I am trying to insert into one table selecting values from another table and some default values. 5 Ans...
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In MySQL, how to copy the content of one table to another table within the same database?

... INSERT INTO TARGET_TABLE SELECT * FROM SOURCE_TABLE; EDIT: or if the tables have different structures you can also: INSERT INTO TARGET_TABLE (`col1`,`col2`) SELECT `col1`,`col2` FROM SOURCE_TABLE; EDIT: to constrain this.. INSERT INTO TARGET_TAB...
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How to delete duplicates on a MySQL table?

...n an index is going to be slow for large tables. Wouldn't it be better to SELECT MAX(ID) FROM t GROUP BY unique and then JOIN to an exact match of ID to MAX(ID)? – ebyrob Nov 10 '16 at 16:31 ...
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How can I get enum possible values in a MySQL database?

... This solution works on codeigniter github.com/thiswolf/codeigniter-enum-select-boxes – You Know Nothing Jon Snow Jul 7 '13 at 16:28 3 ...
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How to run an EXE file in PowerShell with parameters with spaces and quotes

...hod 1 A simple example Start-Process -NoNewWindow -FilePath "C:\wamp64\bin\mysql\mysql5.7.19\bin\mysql" -ArgumentList "-u root","-proot","-h localhost" In your case Start-Process -NoNewWindow -FilePath "C:\Program Files\IIS\Microsoft Web Deploy\msdeploy.exe" -ArgumentList "-verb:sync","-source:dbfu...
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Error 1046 No database Selected, how to resolve?

...ation. If you're trying to do this via MySQL Workbench... ...you need to select the appropriate database/catalog in the drop down menu found above the :Object Browser: tab. You can specify the default schema/database/catalog for the connection - click the "Manage Connections" options under the SQL...
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add column to mysql table if it does not exist

...rade_database_1_0_to_2_0() BEGIN -- rename a table safely IF NOT EXISTS( (SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME='my_old_table_name') ) THEN RENAME TABLE my_old_table_name TO my_new_table_name, END IF; -- add a column safely IF NO...