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What is SQL injection? [duplicate]

...rameter substitutes only for a single value. You can't use parameters for table or column identifiers, or SQL keywords, or lists of values in an IN() predicate, or other SQL expressions or syntax. Parameters are useful but you need other techniques for other cases. – Bill Kar...
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Vertically aligning CSS :before and :after content [duplicate]

... You can also use tables to accomplish this, like: .pdf { display: table; } .pdf:before { display: table-cell; vertical-align: middle; } Here is an example: https://jsfiddle.net/ar9fadd0/2/ EDIT: You can also use flex to accomplish t...
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In SQL Server, when should you use GO and when should you use semi-colon ;?

...ain exception, and place where the ; is used most often is before a Common Table Expression Statement. share | improve this answer | follow | ...
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How do I limit the number of rows returned by an Oracle query after ordering?

...). To answer the original question, here's the query: SELECT * FROM sometable ORDER BY name OFFSET 20 ROWS FETCH NEXT 10 ROWS ONLY; (For earlier Oracle versions, please refer to other answers in this question) Examples: Following examples were quoted from linked page, in the hope of preventing ...
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Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier

...th the session. Example Assuming you have a hibernate class object for a table with 10 rows based on a primary key combination (column 1 and column 2). Now, you have removed 5 rows from the table at some point of time. Now, if you try to add the same 10 rows again, while hibernate tries to persist...
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MySQL - Using COUNT(*) in the WHERE clause

...similar to this: SELECT column_name, aggregate_function(column_name) FROM table_name WHERE column_name operator value GROUP BY column_name HAVING aggregate_function(column_name) operator value; share | ...
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IDENTITY_INSERT is set to OFF - How to turn it ON?

... for linking files). I do not want to take identity_insert off the entire table, as the increment by one works great. In my insert to TBL_Content store procedure I have something like this ...
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How can I avoid Java code in JSP files, using JSP 2?

...fway, all you get is a blank page. Testability: scriptlets are not unit-testable. Maintainability: per saldo more time is needed to maintain mingled/cluttered/duplicated code logic. Sun Oracle itself also recommends in the JSP coding conventions to avoid use of scriptlets whenever the same functio...
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Entity Framework select distinct name

...inct Name: Suppose if you are using Views in which you are using multiple tables and you want to apply distinct in that case first you have to store value in variable & then you can apply Distinct on that variable like this one.... public List<Item_Img_Sal_VIEW> GetItemDescription(int It...
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How big can a user agent string get?

... My take on this: Use a dedicated table to store only UserAgents (normalize it) In your related tables, store an Foreign Key value to point back to the UserAgent auto-increment primary key field Store the actual UserAgent string in a TEXT field and care not a...