... Unfortunately, the MS Excel software adds tab characters to delimit the columns...
How?
UPDATE `mytable` SET `myColumn` = TRIM(CHAR(9) FROM TRIM(`myColumn`));
Source: Stack Overflow - How to ...
... `myTable` t SET t.`myColumn`=REPLACE(t.`myColumn`, 'À', 'A');
UPDATE `myTable` t SET t.`myColumn`=REPLACE(t.`myColumn`, 'Á', 'A');
UPDATE `myTable` t SET t.`myColumn`=REPLACE(t.`myColumn`, 'Â', 'A');
UPDATE ...
... FROM A STARTING POINT
-- Read-Only (see changes to commit)
SELECT a.`fieldtochange`, SUBSTRING(a.`fieldtochange`, INSTR(a.`fieldtochange`, 'stringtofind') )
FROM `v34_mytablename` a
WHERE a.`fieldtochange` ...
...
-- return all records that contain non-alphanumeric characters
SELECT * FROM myTable WHERE myColumn NOT REGEXP '^[A-Za-z0-9]+$';
-- return all records that are non-alphanumeric but ignore underscores
SELECT ...
What?
So this is a quick note to myself as I was playing with the relevance heuristics of a query. This example adds a column of relevance and sorts the rows accordingly.
How?
This has to be ...
...
All SQL
-- Add a column to an existing table (giving it datatype char(2) and allowing NULL)
ALTER TABLE myTable ADD myColumn CHAR(2) NULL
-- Delete a column
ALTER TABLE myTable DROP COLUMN ...
... // Password for database authentication
$db_name = "my_database"; // Database name
$db_table = "mytable_countryipranges";// Database table
Upload the PHP file to your website ...
... that would replace my HTML tags with . Not I want to switch these back.
How?
For demo purposes, I'm searching a column called introtext in a database table called MYTABLE_content.
First let me ...
... another table, how do we delete from all the related tables as well?
How?
You need to refer to the tables just after the DELETE clause (so instead of DELETE FROM myTable WHERE myValue=givenValue):
DELETE ...
What?
In view of the fact that this error pops up in so many systems I take over, I have often gone down the wrong path following the red herring as it were when in fact the answer to this is very common. ...
... the above outputted and you should get something like the following:
Value Source Count
------- ------------------------- --------
dnya myTable1.Title 2
DNya myTable1.OccupationCode ...
... TABLE #myScrambledTable DROP COLUMN dummyIndex;
-- Show me the results
SELECT * FROM #myScrambledTable;
END
GO
-- Usage:
-- EXECUTE dbo.usp_MakeTableTemp 'mySchema.myTable';
...
This was called a Data-Scrambling Function but it depends on what you mean by "scrambling". This is a function which merely uses the same characters but switches their order randomly, so I've renamed ...
...
wikimedia_page.page_namespace=0
AND wikimedia_revision.rev_text_id=wikimedia_text.old_id
AND wikimedia_text.old_text''
AND wikimedia_page.page_is_redirect=0
-- yields: let's call it MyTable1: ...
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