大约有 1,948 项符合查询结果(耗时:0.0405秒) [XML]

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How do I check if a SQL Server text column is empty?

... For MySQL the correct syntax is: SQL SELECT * FROM TABLE WHERE IFNULL(FIELD, '')='' – Cláudio Silva Jan 27 at 10:40 ...
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How to show disable HTML select option in by default?

I am new to HTML and PHP and want to achieve a drop-down menu from the mysql table and hard-coded too. I have multiple select in my page, One of them is ...
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What is the string concatenation operator in Oracle?

... CONCAT is also compatible with other DBMSes (at least MySQL and Postgres). – lapo Oct 13 '15 at 15:07 1 ...
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Memcache Vs. Memcached [duplicate]

...derstanding that memcacheD has the ability work at the database layer with MySQL commands. That way, your code doesn't have to even call special caching methods. It's all completed in the database? – user1003932 Oct 17 '12 at 0:42 ...
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How to print SQL statement in codeigniter model

... Fatal error: Call to undefined method CI_DB_mysql_driver::get_compiled_select() – itskawsar Sep 25 '13 at 8:53 add a comment  ...
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Android Whatsapp/Chat Examples [closed]

...roid, application makes http request to a server, implemented in php and mysql, to authenticate, to register and to get the other friends' status and data, then it communicates with other applications in other devices by socket interface. EDIT : Just found this! Maybe it's not related to W...
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Generating Guids in Ruby

... To create a proper, mysql, varchar 32 GUID SecureRandom.uuid.gsub('-','').upcase share | improve this answer | follow...
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How do I request a file but not save it with Wget? [closed]

... to make http requests to a fresh web server. I am doing this to warm the MySQL cache. I do not want to save the files after they are served. ...
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Retrieve the maximum length of a VARCHAR column in SQL Server

... for mysql its length not len SELECT MAX(LENGTH(Desc)) FROM table_name share | improve this answer | f...
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Laravel Eloquent groupBy() AND also return count of each group

... Open config/database.php Find strict key inside mysql connection settings Set the value to false share | improve this answer | follow ...