大约有 40,000 项符合查询结果(耗时:0.0318秒) [XML]

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MySQL date format DD/MM/YYYY select query?

...ably just want to format the output date? then this is what you are after SELECT *, DATE_FORMAT(date,'%d/%m/%Y') AS niceDate FROM table ORDER BY date DESC LIMIT 0,14 Or do you actually want to sort by Day before Month before Year? ...
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Multi-statement Table Valued Function vs Inline Table Valued Function

...statement table valued function (MSTVF) even if they both simply execute a SELECT statement. SQL Server will treat an ITVF somewhat like a VIEW in that it will calculate an execution plan using the latest statistics on the tables in question. A MSTVF is equivalent to stuffing the entire contents of ...
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Is there an SQLite equivalent to MySQL's DESCRIBE [table]?

...aster table: sqlite> CREATE TABLE foo (bar INT, quux TEXT); sqlite> SELECT * FROM sqlite_master; table|foo|foo|2|CREATE TABLE foo (bar INT, quux TEXT) sqlite> SELECT sql FROM sqlite_master WHERE name = 'foo'; CREATE TABLE foo (bar INT, quux TEXT) ...
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Random record in ActiveRecord

...he first, all after are still sorted by id). If you need multiple randomly selected records you must use this approach multiple times or use the random order method provided by your database, i.e. Thing.order("RANDOM()").limit(100) for 100 randomly selected entries. (Be aware that it's RANDOM() in P...
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Using backticks around field names

...backticks, I would assume it lets you get away with ridiculous stuff like SELECT `id`, `my name`, `another field` , `field,with,comma` Which does of course generate badly named tables. If you're just being concise I don't see a problem with it, you'll note if you run your query as such EXPLA...
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MYSQL import data from csv using LOAD DATA INFILE

I am importing some data of 20000 rows from a CSV file into Mysql. 11 Answers 11 ...
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Select mySQL based only on month and year

... SELECT * FROM projects WHERE YEAR(Date) = 2011 AND MONTH(Date) = 5 share | improve this answer | f...
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What does the PHP error message “Notice: Use of undefined constant” mean?

... You should quote your array keys: $department = mysql_real_escape_string($_POST['department']); $name = mysql_real_escape_string($_POST['name']); $email = mysql_real_escape_string($_POST['email']); $message = mysql_real_escape_string($_POST['message']); As is, it was loo...
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What is 'Pattern Matching' in functional languages?

...s similar to dynamic message dispatch) but I can't see how at run-time you select a branch without a type test. – David Moles Feb 17 '16 at 23:42  |  ...
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Why there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT clause?

...pdated) values(null, null); Query OK, 1 row affected (0.06 sec) mysql> select * from t5; +----+---------------------+---------------------+ | id | stamp_created | stamp_updated | +----+---------------------+---------------------+ | 2 | 2009-04-30 09:44:35 | 2009-04-30 09:44:35 | +...