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How do I get the last inserted ID of a MySQL table in PHP?
I have a table into which new data is frequently inserted. I need to get the very last ID of the table. How can I do this?
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What is the difference between partitioning and bucketing a table in Hive ?
I know both is performed on a column in the table but how is each operation different.
8 Answers
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Delete with Join in MySQL
... want to delete the entries from the posts table:
DELETE posts
FROM posts
INNER JOIN projects ON projects.project_id = posts.project_id
WHERE projects.client_id = :client_id
EDIT: For more information you can see this alternative answer
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Avoid duplicates in INSERT INTO SELECT query in SQL Server
I have the following two tables:
8 Answers
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Define variable to use with IN operator (T-SQL)
I have a Transact-SQL query that uses the IN operator. Something like this:
14 Answers
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How to delete duplicates on a MySQL table?
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this removes duplicates in place, without making a new table
ALTER IGNORE TABLE `table_name` ADD UNIQUE (title, SID)
note: only works well if index fits in memory
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Update multiple rows in same query using PostgreSQL
I'm looking to update multiple rows in PostgreSQL in one statement. Is there a way to do something like the following?
6 An...
How to create a date and time picker in Android? [closed]
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There is nothing built into Android that offers this.
EDIT: Andriod now offers built-in pickers. Check @Oded answer
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How to get CSS to select ID that begins with a string (not in Javascript)?
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[id^=product]
^= indicates "starts with". Conversely, $= indicates "ends with".
The symbols are actually borrowed from Regex syntax, where ^ and $ mean "start of string" and "end of string" respectively.
See the specs for full information.
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Rails find_or_create_by more than one attribute?
There is a handy dynamic attribute in active-record called find_or_create_by:
5 Answers
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