大约有 5,880 项符合查询结果(耗时:0.0197秒) [XML]
Table Naming Dilemma: Singular vs. Plural Names [closed]
Academia has it that table names should be the singular of the entity that they store attributes of.
41 Answers
...
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
...
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:
...
Error renaming a column in MySQL
How do I rename a column in table xyz ? The columns are:
9 Answers
9
...
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
...
How to put more than 1000 values into an Oracle IN clause [duplicate]
...
Put the values in a temporary table and then do a select where id in (select id from temptable)
share
|
improve this answer
|
fol...
How to get a list of column names on Sqlite3 database?
...
PRAGMA table_info(table_name);
will get you a list of all the column names.
share
|
improve this answer
|
...
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...