大约有 42,000 项符合查询结果(耗时:0.0397秒) [XML]

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Is there an SQLite equivalent to MySQL's DESCRIBE [table]?

... SQLite . It would be nice to be able to see the details for a table, like MySQL's DESCRIBE [table] . PRAGMA table_info [table] isn't good enough, as it only has basic information (for example, it doesn't show if a column is a field of some sort or not). Does SQLite have a way to do this? ...
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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?

I tried this in mysql: 14 Answers 14 ...
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Is there a Max function in SQL Server that takes two values like Math.Max in .NET?

...he "best answer" because: It doesn't require complicating your code with UNION's, PIVOT's, UNPIVOT's, UDF's, and crazy-long CASE statments. It isn't plagued with the problem of handling nulls, it handles them just fine. It's easy to swap out the "MAX" with "MIN", "AVG", or "SUM". You can use any ...
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MySQL Workbench: How to keep the connection alive

Error Code: 2013. Lost connection to MySQL server during query 9 Answers 9 ...
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In php, is 0 treated as empty?

...sset($var) && $var != 0){ Do Something} ?? – mysqllearner Feb 8 '10 at 9:22 1 @mysql For ...
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MySQL Query GROUP BY day / month / year

...ecord_date), MONTH(record_date) Check out the date and time functions in MySQL. share | improve this answer | follow | ...
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Get the new record primary key ID from MySQL insert query?

Let's say I am doing a MySQL INSERT into one of my tables and the table has the column item_id which is set to autoincrement and primary key . ...
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How do MySQL indexes work?

I am really interested in how MySQL indexes work, more specifically, how can they return the data requested without scanning the entire table? ...
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What is cardinality in MySQL?

What is cardinality in MySQL? Please explain in simple, non-technical language. 8 Answers ...
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Which MySQL datatype to use for an IP address? [duplicate]

...on and inet_ntop for conversion: 'INSERT INTO `table` (`ipv6`) VALUES ("'.mysqli_real_escape_string(inet_pton('2001:4860:a005::68')).'")' 'SELECT `ipv6` FROM `table`' $ipv6 = inet_pton($row['ipv6']); share | ...