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How do I find duplicate values in a table in Oracle?
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Aggregate the column by COUNT, then use a HAVING clause to find values that appear greater than one time.
SELECT column_name, COUNT(column_name)
FROM table_name
GROUP BY column_name
HAVING COUNT(column_name) > 1;
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Insert multiple rows WITHOUT repeating the “INSERT INTO …” part of the statement?
...ou might have figured this out yet long ago, but it's really quite simple. By using select you create a set with columns and rows, and by design these rows can be inserted into another table with an equal amount of columns. You can even use a mixture of literals and values. For example, using insert...
jQuery - Add ID instead of Class
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
RESTful on Play! framework
...ic static void updateUser(Long id, User user) {
User dbUser = User.findById(id);
dbUser.updateDetails(user); // some model logic you would write to do a safe merge
dbUser.save();
user(id);
}
public static void deleteUser(Long id) {
User.findById(id).delete();
renderText("suc...
How do I get the “id” after INSERT into MySQL database with Python?
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Also, cursor.lastrowid (a dbapi/PEP249 extension supported by MySQLdb):
>>> import MySQLdb
>>> connection = MySQLdb.connect(user='root')
>>> cursor = connection.cursor()
>>> cursor.execute('INSERT INTO sometable VALUES (...)')
1L
>>> conn...
Select multiple records based on list of Id's with linq
...ar that joining the needed data is more efficient than comparing two lists by iterating again and again... But sometimes one needs time to get the idea and the correct syntax. Thank you for that ????
– Nadine
Aug 8 at 13:50
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The JPA hashCode() / equals() dilemma
...like to discuss them JPA-implementation-neutrally (I am using EclipseLink, by the way).
20 Answers
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How to update two tables in one statement in SQL Server 2005?
...cumentation (emphasis is mine).
UPDATE (Transact-SQL)
The view referenced by table_or_view_name must be updatable and reference exactly one base table in the FROM clause of the view. For more information about updatable views, see CREATE VIEW (Transact-SQL).
CREATE VIEW (Transact-SQL)
You can mod...
How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
...TER TABLE test1 ADD COLUMN id INTEGER;
CREATE SEQUENCE test_id_seq OWNED BY test1.id;
ALTER TABLE test ALTER COLUMN id SET DEFAULT nextval('test_id_seq');
UPDATE test1 SET id = nextval('test_id_seq');
Again, in recent versions of Postgres this is roughly equivalent to the single command abov...
How to get CSS to select ID that begins with a string (not in Javascript)?
...ue either being exactly "val" or beginning with "val" immediately followed by "-". " So an id like "product42" would not be matched by |=, but "product-42" would.
– Goozak
Jan 10 at 15:36
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