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How to apply bindValue method in LIMIT clause?
...QL query.
$limit = intval($limit);
$s = $pdo->prepare("SELECT * FROM tbl LIMIT {$limit}");
The casting is important. More commonly you see ->prepare(sprintf("SELECT ... LIMIT %d", $num)) used for such purposes.
If you're not using MySQL, but for example SQLite, or Postgres; you can also c...
How to use GROUP_CONCAT in a CONCAT in MySQL
...oncat(`Name`, ':', group_concat(`Value` separator ',')) as `Name`
from mytbl
group by
id,
`Name`
) tbl
group by id;
You can see it implemented here : Sql Fiddle Demo. Exactly what you need.
Update
Splitting in two steps. First we get a table having all values(comma separated) agains...
How to set Sqlite3 to be case insensitive when string comparing?
...
One thing to note that tripped me up: select * from tbl where firstname='john' and lastname='doe' COLLATE NOCASE will be case insensitive on lastname. To be case insensitive on firstname, write this: select * from tbl where firstname='john' COLLATE NOCASE and lastname='doe'. I...
Copy a table from one database to another in Postgres
...licit about column names (Postgres 9.4) with something like: INSERT INTO l_tbl (l_col1, l_col2, l_col3) SELECT * FROM dblink('dbname=r_db hostaddr=r_ip password=r_pass user=r_usr', 'select r_col1, r_col2, r_col3 from r_tbl where r_col1 between ''2015-10-29'' AND ''201...
LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
... This example won't compile even if all columns are varchars join T2 in db.tbl2 on new { T1.firstName, T1.secondName } equals new { T2.colFirst, T2.colSecond }. If you change it to this, it will compile however, join T2 in db.tbl2 on new { N1 = T1.firstName, N2 = T1.secondName } equals new { N1 = T...
Setting up foreign keys in phpMyAdmin?
...a new foreign key constraint to a table by using ALTER TABLE:
ALTER TABLE tbl_name
ADD [CONSTRAINT [symbol]] FOREIGN KEY
[index_name] (index_col_name, ...)
REFERENCES tbl_name (index_col_name,...)
[ON DELETE reference_option]
[ON UPDATE reference_option]
On the other hand, if ...
MySQL Select Query - Get only first 10 characters of a value
...
Using the below line
SELECT LEFT(subject , 10) FROM tbl
MySQL Doc.
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