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SELECT * FROM (SELECT ROW_NUMBER OVER (ORDER BY sort_key ASC) AS row_number, columns FROM tablename) AS foo WHERE row_number <= 10 ROW_NUMBER can be non-deterministic : if sort_key is not unique, each time you run the query it is possible to get different row numbers assigned to any rows where sort_key is the same.
Oracle Card helped to show that Oracle was supporting Windows until it could release its first Oracle Forms 4.0 with improved GUI support for Windows. A few years later, Oracle acquired the original Plus source code from Format Verlag and developed it to become Oracle Media Objects or OMO. OMO lasted only briefly, with development ceasing after ...
The DUAL table is a special one-row, one-column table present by default in Oracle and other database installations. In Oracle, the table has a single VARCHAR2(1) column called DUMMY that has a value of 'X'. It is suitable for use in selecting a pseudo column such as SYSDATE or USER.
The set of rows the cursor holds is referred to as the active set. [12] A cursor can be explicit or implicit. In a FOR loop, an explicit cursor shall be used if the query will be reused, otherwise an implicit cursor is preferred. If using a cursor inside a loop, use a FETCH is recommended when needing to bulk collect or when needing dynamic SQL.
The following is an Oracle syntax example of a row level trigger that is called AFTER an update FOR EACH ROW affected. This trigger is called on an update to a phone book database. When the trigger is called it adds an entry into a separate table named phone_book_audit.
That means it’s easier for hackers like those in the Chinese campaign, which Microsoft has nicknamed Salt Typhoon, to get massive amounts of data on phone records and some stored text messages ...
More than one million delivery drivers collectively paid more than $10 million in fees after Walmart and Branch Messenger illegally opened costly deposit accounts in their names without consent, ...
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