sql-delete

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Delete statement with variable after DELETE

Can someone please explain what this does?I\'m referring to the @comps straight after delete - the docs seem to suggest it places the deleted rows into @comps, is this true?@comps is a table variable.[详细]

2023-02-09 01:11 分类：问答
Should I reset a table index / optimize after deletion of many rows?

I have a table with 1,000,000 records and I\'m running a statement that\'s deleting ~700k rows. The auto-increment-index is of course still at 1,000,001. The highest primary key afterwards for example[详细]

2023-02-08 19:31 分类：问答
SQL delete from a table where a value is true in other table

I need to write an sql with the below requirements.. I have a table A with column AA in it. I have another table B with column BB in it.[详细]

2023-02-07 09:15 分类：问答
Delete All Data with SQLite delete syntax?

I\'ve made a button that removes all the objects in my array, which is shown in my tableView. Then it reloads data and the tableview is empty. But how can I delete all the data from my SQLite database[详细]

2023-02-06 05:19 分类：问答
Delete N number of old records from table in mysql

I have a LoginTime table like this: id | user_id | datetime 1|1| 2011-01-19 18:51:01 2|1| 2011-01-19 18:51:02[详细]

2023-02-05 09:41 分类：问答
Delete multiple records by list of id's with HQL statement

I want to delete multiple records of a certain entity where the id of the entity is in the list of ids I have. I am trying to perform this action in C# with NHibernate.[详细]

2023-02-04 14:21 分类：问答
perform delete or update on unique violation in postgres

On Unique_violation exception how to update or delete the row which raised the exception table code and insert[详细]

2023-02-04 12:48 分类：问答
Delete with join to multiple tables

Code: create table coltype (coltype varchar(5)); insert into coltype values (\'typ1\'); create table colsubtype (coltype varchar(5), colsubtype varchar(5));[详细]

2023-02-04 12:33 分类：问答
How does Linq to SQL do DeleteAllOnSubmit?

I don\'t want to know how to do it, I want to 开发者_开发问答know the underlying code. Every google query comes up as a tutorial on how to delete from the database.It\'s not clear what exactly you mea[详细]

2023-02-04 09:21 分类：问答
Delete Row if string is found in any columns

My comment database just got slammed with over 11,000 spam entries. I am trying to think of a way to delete any entry with a specific word in it. There are about 12 columns per entry and I want to sea[详细]

2023-02-04 06:04 分类：问答