temp-tables

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Multiple Joins on Temporary Table OR Subquery in SQL 2008

I have the following SQL which gets a season for each day in a range of dates, then groups each season by start and end date with number of nights. What it does is not important but my question is whi[详细]

2023-01-11 05:16 分类：问答
How do Oracle temporary tables exactly work in a stored procedure like this?

Suppose I\'m using the following Oracle code in a stored procedure: CREATE GLOBAL TEMPORARY TABLE temp_table ([详细]

2023-01-10 23:13 分类：问答
How to insert into a temp table the info given by RESTORE FILELISTONLY / HEADERONLY / VERIFYONLY

How to insert the resultset given by the commands RESTORE FILELISTONLY RESTOREHEADERONLY RESTORE VERIFYONLY[详细]

2023-01-10 13:31 分类：问答
Advanced MySQl query to fetch date specific records within the same table

I need to findout a better and quick way to query MySQL table to get specific data for each day in a given date range, where the table has two date columns specifying start and end date.[详细]

2023-01-10 02:07 分类：问答
lock down view to be uneditable

I am building a database that contains public, private(limited to internal) and confidential data (limited to very few).It has very specific requirements that the security of the the data is managed o[详细]

2023-01-09 16:42 分类：问答
SQL Server Temporary Table from Complex Stored Procedure

I have to create a temp table (#temp) from a variable or stored procedure (i.e) My stored procedure contains[详细]

2023-01-09 07:43 分类：问答
ORA-14551: cannot perform a DML operation inside a query

I have the following inside a package and it is giving me an error: ORA-14551: cannot perform a DML operation inside a query[详细]

2023-01-07 17:19 分类：问答
Can SELECTING FROM one empty temp table in SQL cause the results to be empty?

Here is my problem. I am creating 4 temp tables to count specific types of boxes and an employee\'s hours. Given a beginning date and ending date we want to know total boxes of each type (1, 2, and 3)[详细]

2023-01-07 03:20 分类：问答
Optimal MySQL temporary tables (memory tables) configuration?

First of all, I am new to optimizing mysql. The fact is that I have in my web application (around 400 queries per second), a query that uses a GROUP BY that i can´t avoid and that is the cause of cre[详细]

2023-01-06 11:03 分类：问答
MySQL temp table issue

I\'m trying to use temp tables to speed up my MySQL 4.1.22-standard database and what seems like a simple operation is causing me all kinds of issues.[详细]

2023-01-03 11:59 分类：问答