大约有 41,000 项符合查询结果（耗时：0.0353秒） [XML]
Spring JPA @Query with LIKE
...
Try to use the following approach (it works for me):
@Query("SELECT u.username FROM User u WHERE u.username LIKE CONCAT('%',:username,'%')")
List<String> findUsersWithPartOfName(@Param("username") String username);
Notice: The table name in JPQL must start with a capital letter...
How to auto-indent code in the Atom editor?
...auto-indent your code in the Atom editor? In other editors you can usually select some code and auto-indent it.
11 Answers...
Difference between 2 dates in SQLite
...
SELECT julianday('now') - julianday(DateCreated) FROM Payment;
share
|
improve this answer
|
follo...
Checking oracle sid and database name
...
I presume SELECT user FROM dual; should give you the current user
and SELECT sys_context('userenv','instance_name') FROM dual; the name of the instance
I believe you can get SID as SELECT sys_context('USERENV', 'SID') FROM DUAL;
...
How do you copy a record in a SQL table but swap out the unique id of the new row?
...
Try this:
insert into MyTable(field1, field2, id_backup)
select field1, field2, uniqueId from MyTable where uniqueId = @Id;
Any fields not specified should receive their default value (which is usually NULL when not defined).
...
Regular expression to limit number of characters to 10
...a regular expression that will only allow lowercase letters and up to 10 characters. What I have so far looks like this:
...
How to get current time and date in C++?
...rentDateTime() {
time_t now = time(0);
struct tm tstruct;
char buf[80];
tstruct = *localtime(&now);
// Visit http://en.cppreference.com/w/cpp/chrono/c/strftime
// for more information about date/time format
strftime(buf, sizeof(buf), "%Y-%m-%d.%X", &tst...
How do you use variables in a simple PostgreSQL script?
...c/sql-do.html )
DO $$
DECLARE v_List TEXT;
BEGIN
v_List := 'foobar' ;
SELECT *
FROM dbo.PubLists
WHERE Name = v_List;
-- ...
END $$;
Also you can get the last insert id:
DO $$
DECLARE lastid bigint;
BEGIN
INSERT INTO test (name) VALUES ('Test Name')
RETURNING id INTO lastid;
...
Obtaining a powerset of a set in Java
... return this;
}
}
To call it, use this pattern:
Set<Character> set = new TreeSet<Character> ();
for(int i = 0; i < 5; i++)
set.add((char) (i + 'A'));
PowerSet<Character> pset = new PowerSet<Character>(set);
for(Set&l...
Multiple queries executed in java in single statement
...s wondering if it is possible to execute something like this using JDBC.
"SELECT FROM * TABLE;INSERT INTO TABLE;"
Yes it is possible. There are two ways, as far as I know. They are
By setting database connection property to allow multiple queries,
separated by a semi-colon by default.
By callin...