大约有 42,000 项符合查询结果(耗时:0.0353秒) [XML]

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How to put more than 1000 values into an Oracle IN clause [duplicate]

...e the following form: select * from table1 where ID in (1,2,3,4,...,1000) union all select * from table1 where ID in (1001,1002,...) share | improve this answer | follow ...
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MySQL Creating tables with Foreign Keys giving errno: 150

I am trying to create a table in MySQL with two foreign keys, which reference the primary keys in 2 other tables, but I am getting an errno: 150 error and it will not create the table. ...
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Delete all Duplicate Rows except for One in MySQL? [duplicate]

How would I delete all duplicate data from a MySQL Table? 2 Answers 2 ...
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?

.... How do we solve it? Use long data types (64 bits is sufficient) For MySQL (or MariaDB), if you don't need the time information consider using the DATE column type. If you need higher accuracy, use DATETIME rather than TIMESTAMP. Beware that DATETIME columns do not store information about the ...
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Remove duplicate rows in MySQL

... This is no longer support in 5.7.4, dev.mysql.com/doc/refman/5.7/en/alter-table.html – Ray Baxter Nov 25 '15 at 20:59  |...
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How to copy data from one table to another new table in MySQL?

I want to copy data from one table to another in MySQL. 11 Answers 11 ...
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For loop example in MySQL

In MySQL, I have this stored procedure with a For loop in it: 4 Answers 4 ...
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How can I modify the size of column in a MySQL table?

... MODIFY command can do this more concisely. Re the MEDIUMTEXT thing: a MySQL row can be only 65535 bytes (not counting BLOB/TEXT columns). If you try to change a column to be too large, making the total size of the row 65536 or greater, you may get an error. If you try to declare a column of V...
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Difference between VARCHAR and TEXT in MySQL [duplicate]

When we create a table in MySQL with a VARCHAR column, we have to set the length for it. But for TEXT type we don't have to provide the length. ...
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Throw an error in a MySQL trigger

... As of MySQL 5.5, you can use the SIGNAL syntax to throw an exception: signal sqlstate '45000' set message_text = 'My Error Message'; State 45000 is a generic state representing "unhandled user-defined exception". Here is a mo...