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Error 1022 - Can't write; duplicate key in table
I'm getting a 1022 error regarding duplicate keys on create table command. Having looked at the query, I can't understand where the duplication is taking place. Can anyone else see it?
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HTML table td meaning
In HTML table, what does td stands for? I mean literally, what is it acronym for? Table division? Table data?
8 Answers
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MySQL: Fastest way to count number of rows
...eyword after SELECT:
SELECT SQL_CALC_FOUND_ROWS [needed fields or *] FROM table LIMIT 20 OFFSET 0;
After you have selected needed rows, you can get the count with this single query:
SELECT FOUND_ROWS();
FOUND_ROWS() has to be called immediately after the data selecting query.
In conclusion,...
How to Get True Size of MySQL Database?
...SQL database use, in order to select a web host.
I found the command SHOW TABLE STATUS LIKE 'table_name' so when I do the query, I get something like this:
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Error renaming a column in MySQL
How do I rename a column in table xyz ? The columns are:
9 Answers
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How to drop column with constraint?
... problematic DEFAULT constraint, after that you can drop the column
alter table tbloffers drop constraint [ConstraintName]
go
alter table tbloffers drop column checkin
But the error may appear from other reasons - for example the user defined function or view with SCHEMABINDING option set for th...
List tables in a PostgreSQL schema
When I do a \dt in psql I only get a listing of tables in the current schema ( public by default).
4 Answers
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How to put more than 1000 values into an Oracle IN clause [duplicate]
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Put the values in a temporary table and then do a select where id in (select id from temptable)
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Using union and order by clause in mysql
...I am fetching different types of record based on different criteria from a table based on distance for a search on my site.
The first select query returns data related to the exact place search .
The 2nd select query returns data related to distance within 5 kms from the place searched.
The 3rd sele...
How to get a list of column names on Sqlite3 database?
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PRAGMA table_info(table_name);
will get you a list of all the column names.
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