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Altering column size in SQL Server
...olumn with a straight “ALTER TABLE” command, you will have to wait for SQLServer to go through all the rows and write the new data type
ALTER TABLE tab_name ALTER COLUMN col_name new_larger_data_type;
To overcome this inconvenience, there is a magic column enlargement pill that your table...
SQL Server: Is it possible to insert into two tables at the same time?
...e atomic, and can be sent to the server from a client application with one sql string in a single function call as if it were one statement. You could also apply a trigger to one table to get the effect of a single insert. However, it's ultimately still two statements and you probably don't want to...
SQL/mysql - Select distinct/UNIQUE but return all columns?
I am trying to accomplish the following sql statement but I want it to return all columns is this possible? Something like:
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SQL: deleting tables with prefix
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You cannot do it with just a single MySQL command, however you can use MySQL to construct the statement for you:
In the MySQL shell or through PHPMyAdmin, use the following query
SELECT CONCAT( 'DROP TABLE ', GROUP_CONCAT(table_name) , ';' )
AS statement F...
What makes a SQL statement sargable?
...t on the subject matter. So the question is, what does or doesn't make an SQL query sargable? Any documentation would be greatly appreciated.
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LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
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Joining on multiple columns in Linq to SQL is a little different.
var query =
from t1 in myTABLE1List // List<TABLE_1>
join t2 in myTABLE1List
on new { t1.ColumnA, t1.ColumnB } equals new { t2.ColumnA, t2.ColumnB }
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You have to take a...
SQL - find records from one table which don't exist in another
I've got the following two SQL tables (in MySQL):
8 Answers
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Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
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SQL is a declarative language, not a procedural language. That is, you construct a SQL statement to describe the results that you want. You are not telling the SQL engine how to do the work.
As a general rule, it is a good...
Display names of all constraints for a table in Oracle SQL
...ch of the constraint for the multiple tables that I have created in Oracle SQL.
6 Answers
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How to create a new database using SQLAlchemy?
Using SQLAlchemy, an Engine object is created like this:
4 Answers
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