大约有 40,000 项符合查询结果(耗时:0.0270秒) [XML]

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PHP code to convert a MySQL query to CSV [closed]

...MINATED BY ',' OPTIONALLY ENCLOSED BY '"' LINES TERMINATED BY "\n" FROM my_table; (the documentation for this is here: http://dev.mysql.com/doc/refman/5.0/en/select.html) or: $select = "SELECT * FROM table_name"; $export = mysql_query ( $select ) or die ( "Sql error : " . mysql_error( ) ); $fi...
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Get record counts for all tables in MySQL database

Is there a way to get the count of rows in all tables in a MySQL database without running a SELECT count() on each table? ...
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Specifying an Index (Non-Unique Key) Using JPA

...rsistence.Entity; import javax.persistence.Index; import javax.persistence.Table; @Entity @Table(name = "region", indexes = {@Index(name = "my_index_name", columnList="iso_code", unique = true), @Index(name = "my_index_name2", columnList="name", unique = false)}) publi...
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Which SQL query is faster? Filter on Join criteria or Where clause?

...LEFT JOIN. In your very case this will look like this: SELECT * FROM TableA a LEFT JOIN TableXRef x ON x.TableAID = a.ID AND a.ID = 1 LEFT JOIN TableB b ON x.TableBID = b.ID or this: SELECT * FROM TableA a LEFT JOIN TableXRef x ON x.TableAI...
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How to use ng-repeat without an html element

... on tbody? (AFAIK, it is okay to have multiple <tbody>s in a single table.) <tbody ng-repeat="row in array"> <tr ng-repeat="item in row"> <td>{{item}}</td> </tr> </tbody> ...
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How to reset db in Django? I get a command 'reset' not found error

...I needed not just to flush the values in the database, but to recreate the tables properly. I'm not using migrations yet (early days) so I really needed to drop all the tables. Two ways I've found to drop all tables, both require something other than core django. If you're on Heroku, drop all t...
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Using Auto Layout in UITableView for dynamic cell layouts & variable row heights

How do you use Auto Layout within UITableViewCell s in a table view to let each cell's content and subviews determine the row height (itself/automatically), while maintaining smooth scrolling performance? ...
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List all tables in postgresql information_schema

What is the best way to list all of the tables within PostgreSQL's information_schema? 8 Answers ...
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Efficiently updating database using SQLAlchemy ORM

...ows one by one. Instead you should do this: session.execute(update(stuff_table, values={stuff_table.c.foo: stuff_table.c.foo + 1})) session.commit() This will execute as one query as you would expect, and because at least the default session configuration expires all data in the session on commi...
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Error in finding last used cell in Excel with VBA

...ow Else lastrow = 1 End If End With Find Last Row in a Table (ListObject) The same principles apply, for example to get the last row in the third column of a table: Sub FindLastRowInExcelTableColAandB() Dim lastRow As Long Dim ws As Worksheet, tbl as ListObject Set ws = Sheets(...