大约有 47,000 项符合查询结果(耗时:0.0348秒) [XML]

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

... SELECT * INTO OUTFILE "c:/mydata.csv" FIELDS TERMINATED 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:...
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Get list of all tables in Oracle?

... SELECT owner, table_name FROM dba_tables This is assuming that you have access to the DBA_TABLES data dictionary view. If you do not have those privileges but need them, you can request that the DBA explicitly grants you...
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How can I get the list of a columns in a table for a SQLite database?

...(first_name varchar, last_name varchar, email_address varchar); sqlite> select * from sqlite_master; table|people|people|2|CREATE TABLE people (first_name varchar, last_name varchar, email_address varchar) To get column information you can use the pragma table_info(table_name) statement: sqlit...
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typecast string to integer - Postgres

...ur value is an empty string, you can use NULLIF to replace it for a NULL: SELECT NULLIF(your_value, '')::int share | improve this answer | follow | ...
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Update statement with inner join on Oracle

...sn't valid in Oracle. You can do this: UPDATE table1 SET table1.value = (SELECT table2.CODE FROM table2 WHERE table1.value = table2.DESC) WHERE table1.UPDATETYPE='blah' AND EXISTS (SELECT table2.CODE FROM table2 ...
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JavaScript Editor Plugin for Eclipse [duplicate]

...ript files: Open Eclipse -> Go to "Help" -> "Install New Software" Select the repository for your version of Eclipse. I have Juno so I selected http://download.eclipse.org/releases/juno Expand "Programming Languages" -> Check the box next to "JavaScript Development Tools" Click "Next" -&g...
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How can I remove or replace SVG content?

... Here is the solution: d3.select("svg").remove(); This is a remove function provided by D3.js. share | improve this answer | ...
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CROSS JOIN vs INNER JOIN in SQL

...ame situation. These 2 examples will return the same result: Cross join select * from table1 cross join table2 where table1.id = table2.fk_id Inner join select * from table1 join table2 on table1.id = table2.fk_id Use the last method ...
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In jQuery, how do I select an element by its name attribute?

... Good point. Although it's still not "How to get selected radiobutton value using its name in jQuery?". It's "How to get selected radiobutton value when clicking on it using jQuery?". A small difference, but one that baffled me for a bit. – gargantuan ...
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Insert results of a stored procedure into a temporary table

How do I do a SELECT * INTO [temp table] FROM [stored procedure] ? Not FROM [Table] and without defining [temp table] ? ...