Combine multiple rows into one row MySQL
Say I have two tables in a MySQL Database.
rows
mysqli_affected_rows in PHP insert
I have this code:
Does the space occupied by deleted rows get re-used?
I have read several times that after you delete a row in an InnoDB table in MySQL, its space is not reused, so if you make a lot of INSERTs into a table and then periodically DELETE some rows the table will use more and more space on disk, as if the rows were not deleted at all.
get number of rows with pdo
I have a simple pdo prepared query:
How to Display rows as Columns in MySQL?
Guys I’ve table called beneficiaryloans as follows
PHP – Count distinct rows where two other columns are distinct
I’m trying to output the number of distinct results from a row where two other tables factor into the equation, but I’m not sure how to make this work. Here’s what I have. I have counted the total times which a word appears in the database.
Numpy – add row to array
How does one add rows to a numpy array?
Compare Python Pandas DataFrames for matching rows
I have this DataFrame (df1) in Pandas: