大约有 43,000 项符合查询结果(耗时:0.0435秒) [XML]

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Select last N rows from MySQL

I want to select last 50 rows from MySQL database within column named id which is primary key . Goal is that the rows should be sorted by id in ASC order, that’s why this query isn’t working ...
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SQL statement to get column type

... Using SQL Server: SELECT DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'yourTableName' AND COLUMN_NAME = 'yourColumnName' share |...
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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] ? ...
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Return a `struct` from a function in C

... Yes, I can put an array inside a struct, but I cannot e.g. write typedef char arr[100]; arr foo() { ... } An array cannot be returned, even if the size is known. – Giorgio Mar 11 '12 at 11:19 ...
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SQLite - UPSERT *not* INSERT or REPLACE

... (id, role, name) VALUES ( 1, 'code monkey', (SELECT name FROM Employee WHERE id = 1) ); This will update 2 of the columns. When ID=1 exists, the ROLE will be unaffected. When ID=1 does not exist, the role will be set to 'Benchwarmer' instead of the default v...
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SQL Server - Create a copy of a database table and place it in the same database?

... Use SELECT ... INTO: SELECT * INTO ABC_1 FROM ABC; This will create a new table ABC_1 that has the same column structure as ABC and contains the same data. Constraints (e.g. keys, default values), however, are -not- copied. ...
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What is “String args[]”? parameter in main method Java

... all of the primitive datatypes like int, long, float, double, byte, shot, char in Java. You can easily parse it in any primitive datatype. E.g The following program is compiled & executed & I tested as well. If input is -> 1 1 // one class needs to have a main() method public class...
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get list of pandas dataframe columns based on data type

... If you are just selecting columns by data type, then this answer is obsolete. Use select_dtypes instead – Ted Petrou Nov 3 '17 at 16:58 ...
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How can I find which tables reference a given table in Oracle SQL Developer?

... has such option). The following SQL is that one used by PLSQL Developer: select table_name, constraint_name, status, owner from all_constraints where r_owner = :r_owner and constraint_type = 'R' and r_constraint_name in ( select constraint_name from all_constraints where constraint_type in ...
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How to insert text into the textarea at the current cursor position?

...ction insertAtCursor(myField, myValue) { //IE support if (document.selection) { myField.focus(); sel = document.selection.createRange(); sel.text = myValue; } //MOZILLA and others else if (myField.selectionStart || myField.selectionStart == '0') { ...