大约有 37,000 项符合查询结果(耗时:0.0439秒) [XML]

https://stackoverflow.com/ques... 

Getting result of dynamic SQL into a variable for sql-server

... dynamic version ALTER PROCEDURE [dbo].[ReseedTableIdentityCol](@p_table varchar(max))-- RETURNS int AS BEGIN -- Declare the return variable here DECLARE @sqlCommand nvarchar(1000) DECLARE @maxVal INT set @sqlCommand = 'SELECT @maxVal...
https://stackoverflow.com/ques... 

What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate

...s, JPA will generate a JOIN between the parent entity and the child entity tables in the generated SQL statement. So, taking your example, when executing this JPQL query: FROM Employee emp JOIN emp.department dep Hibernate is going to generate the following SQL statement: SELECT emp.* FROM empl...
https://stackoverflow.com/ques... 

How to stop text from taking up more than 1 line?

... Note: this only works on block elements. If you need to do this to table cells (for example) you need to put a div inside the table cell as table cells have display table-cell not block. As of CSS3, this is supported for table cells as well. ...
https://stackoverflow.com/ques... 

Permanently Set Postgresql Schema Path

... set schema path in Postgres so that I don't every time specify schema dot table e.g. schema2.table . Set schema path: 3 ...
https://stackoverflow.com/ques... 

Checking if a SQL Server login already exists

...ction. Attacker can pass a @loginName like x] with password ''y'';\r\ndrop table foo;\r\n – Remus Rusanu Sep 4 '09 at 14:47 2 ...
https://stackoverflow.com/ques... 

read.csv warning 'EOF within quoted string' prevents complete reading of file

...ng 403 back with read.csv(). Adding quote = "" got me up to 410 rows. read.table() does no better. I wonder what else can be tried... – Hack-R Aug 21 '14 at 15:12 2 ...
https://stackoverflow.com/ques... 

Error 1046 No database Selected, how to resolve?

...ell MySQL which database to use: USE database_name; before you create a table. In case the database does not exist, you need to create it as: CREATE DATABASE database_name; followed by: USE database_name; share ...
https://stackoverflow.com/ques... 

What is the purpose of Order By 1 in SQL select statement?

...relation names are allowed in the OREDER BY clause because, in theory, the table correlation names are out of scope i.e. should be ORDER BY PAYMENT_DATE;. Of course, not all SQL implementations conform to Standards. – onedaywhen Aug 10 '10 at 7:17 ...
https://stackoverflow.com/ques... 

Oracle Differences between NVL and Coalesce

...n search contains comparison of nvl result with an indexed column. create table tt(a, b) as select level, mod(level,10) from dual connect by level<=1e4; alter table tt add constraint ix_tt_a primary key(a); create index ix_tt_b on tt(b); explain plan for select * from tt where a=nvl(:1,a) an...
https://stackoverflow.com/ques... 

Difference between @OneToMany and @ElementCollection?

...ring> strings; Simpler, isn't it? Note that you can still control the table and column names using @CollectionTable annotation. See also: Java Persistence/ElementCollection share | improve ...