大约有 3,568 项符合查询结果（耗时：0.0165秒） [XML]
How do I send a file as an email attachment using Linux command line?
...'ve created a script that runs every night on my Linux server that uses mysqldump to back up each of my MySQL databases to .sql files and packages them together as a compressed .tar file. The next step I want to accomplish is to send that tar file through email to a remote email server for safeke...
Oracle: If Table Exists
...s for an Oracle database, and was hoping Oracle had something similar to MySQL's IF EXISTS construct.
15 Answers
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SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
...new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f13444859%2fsql-on-delete-cascade-which-way-does-the-deletion-occur%23new-answer', 'question_page');
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LINQ: Select an object and change some properties without creating a new object
...body cannot be converted to an expression tree" error. Its not for LINQ to SQL, any advice?
– surya
Feb 15 '12 at 16:22
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Drop a temporary table if it exists
I have two lines of code in SQL that create two tables on the fly, i need to do something like
3 Answers
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Disable all table constraints in Oracle
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It is better to avoid writing out temporary spool files. Use a PL/SQL block. You can run this from SQL*Plus or put this thing into a package or procedure. The join to USER_TABLES is there to avoid view constraints.
It's unlikely that you really want to disable all constraints (including ...
Spring DAO vs Spring ORM vs Spring JDBC
...emplate class, that removes plumbing code and helps you concentrate on the SQL query and parameters. You just need to configure it with a DataSource, and you can then write code like this:
int nbRows = jdbcTemplate.queryForObject("select count(1) from person", Integer.class);
Person p = jdbcTempla...
Convert varchar to uniqueidentifier in SQL Server
...e dashses from GUIDs when serializing, making it harder to copy paste into SQL to debug.
– David Cumps
Jan 23 '13 at 9:41
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Add alternating row color to SQL Server Reporting services report
How do you shade alternating rows in a SQL Server Reporting Services report?
18 Answers
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What is an MDF file? [closed]
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SQL Server databases use two files - an MDF file, known as the primary database file, which contains the schema and data, and a LDF file, which contains the logs. See wikipedia. A database may also use secondary database file...