大约有 3,549 项符合查询结果（耗时：0.0210秒） [XML]
Where does Oracle SQL Developer store connections?
...abase in this edition, and I can connect to the database fine using Oracle SQL Developer, create tables, views etc. However, I'm having a hard time getting connected via my application. Where is the connection information? In what file? I wanted to compare my connection info with what is set up in t...
Getting raw SQL query string from PDO prepared statements
Is there a way to get the raw SQL string executed when calling PDOStatement::execute() on a prepared statement? For debugging purposes this would be extremely useful.
...
What is the command to truncate a SQL Server log file?
I need to empty an LDF file before sending to a colleague. How do I force SQL Server to truncate the log?
7 Answers
...
LIMIT 10..20 in SQL Server
...
The LIMIT clause is not part of standard SQL. It's supported as a vendor extension to SQL by MySQL, PostgreSQL, and SQLite.
Other brands of database may have similar features (e.g. TOP in Microsoft SQL Server), but these don't always work identically.
It's hard...
How to Execute SQL Server Stored Procedure in SQL Developer?
I've been given a user account to a SQL Server database that only has privileges to execute a stored procedure. I added the JTDS SQL Server JDBC jar file to SQL Developer and added it as a Third Party JDBC driver. I can successfully log in to the SQL Server database. I was given this syntax for run...
How do I format a number with commas in T-SQL?
...g some administrative queries and compiling results from sp_spaceused in SQL Server 2008 to look at data/index space ratios of some tables in my database. Of course I am getting all sorts of large numbers in the results and my eyes are starting to gloss over. It would be really convenient if I c...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
...索
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎
SQLite 拓展
SQLite
Contents
Features
Installation
Background
Pr...
Parameterize an SQL IN clause
...lect * from tags where '|' + @tags + '|' like '%|' + Name + '|%'";
using (SqlCommand cmd = new SqlCommand(cmdText)) {
cmd.Parameters.AddWithValue("@tags", string.Join("|", tags);
}
Two caveats:
The performance is terrible. LIKE "%...%" queries are not indexed.
Make sure you don't have any |,...
Optimal way to concatenate/aggregate strings
...re's how to concatenate strings from different rows using regular Transact SQL, which should work fine in Azure.
;WITH Partitioned AS
(
SELECT
ID,
Name,
ROW_NUMBER() OVER (PARTITION BY ID ORDER BY Name) AS NameNumber,
COUNT(*) OVER (PARTITION BY ID) AS NameCount...
How can I do an UPDATE statement with JOIN in SQL Server?
I need to update this table in SQL Server with data from its 'parent' table, see below:
16 Answers
...