大约有 44,000 项符合查询结果(耗时:0.0402秒) [XML]

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In MySQL, how to copy the content of one table to another table within the same database?

... INSERT INTO TARGET_TABLE SELECT * FROM SOURCE_TABLE; EDIT: or if the tables have different structures you can also: INSERT INTO TARGET_TABLE (`col1`,`col2`) SELECT `col1`,`col2` FROM SOURCE_TABLE; EDIT: to constrain this.. INSERT INTO TARGET_TAB...
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How to paste text to end of every line? Sublime 2

... Yeah Regex is cool, but there are other alternative. Select all the lines you want to prefix or suffix Goto menu Selection -> Split into Lines (Cmd/Ctrl + Shift + L) This allows you to edit multiple lines at once. Now you can add *Quotes (") or anything * at start and end...
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Case insensitive searching in Oracle

...NLS_COMP and NLS_SORT session parameters: SQL> SET HEADING OFF SQL> SELECT * 2 FROM NLS_SESSION_PARAMETERS 3 WHERE PARAMETER IN ('NLS_COMP', 'NLS_SORT'); NLS_SORT BINARY NLS_COMP BINARY SQL> SQL> SELECT CASE WHEN 'abc'='ABC' THEN 1 ELSE 0 END AS GOT_MATCH 2 FROM DUAL; ...
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Combining “LIKE” and “IN” for SQL Server [duplicate]

... Effectively, the IN statement creates a series of OR statements... so SELECT * FROM table WHERE column IN (1, 2, 3) Is effectively SELECT * FROM table WHERE column = 1 OR column = 2 OR column = 3 And sadly, that is the route you'll have to take with your LIKE statements SELECT * FROM tabl...
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Name of this month (Date.today.month as name)

... HTML Select month with I18n: <select> <option value="">Choose month</option> <%= 1.upto(12).each do |month| %> <option value="<%= month %>"><%= I18n.t("date.month_names")[month] %&g...
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Remove an entire column from a data.frame in R

...=4:6) to remove just the a column you could do Data <- subset( Data, select = -a ) and to remove the b and d columns you could do Data <- subset( Data, select = -c(d, b ) ) You can remove all columns between d and b with: Data <- subset( Data, select = -c( d : b ) As I said above...
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Using OR in SQLAlchemy

...keys) == dictargs[primkeys]) else: return query = select([db.RT_eqmtvsdata]).where(and_(*filterargs)) if self.r_ExecuteAndErrorChk2(query)[primarykeys[0]] is not None: # update filter = and_(*filterargs) query = tableobject.__table__.update().val...
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SQL query to select dates between two dates

... you should put those two dates between single quotes like.. select Date, TotalAllowance from Calculation where EmployeeId = 1 and Date between '2011/02/25' and '2011/02/27' or can use select Date, TotalAllowance from Calculation where EmployeeId = 1 and Da...
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Fastest way to check if a file exist using standard C++/C++11/C?

...r. This does not use many fancy features of C++: bool is_file_exist(const char *fileName) { std::ifstream infile(fileName); return infile.good(); } share | improve this answer | ...
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How do you create a read-only user in PostgreSQL?

I'd like to create a user in PostgreSQL that can only do SELECTs from a particular database. In MySQL the command would be: ...