Currently viewing the tag: "INSERT"
I knew Windows Azure SQL Databases have been around for a couple of years but never had the time or need to research them. With a possible data center consolidation in the future, I was wondering if my company could leverage a Windows Azure SQL Databases to reduce the total cost of [...]
I knew Windows Azure SQL Databases have been around for a couple of years but never had the time or need to research them. With a possible data center consolidation in the future, I was wondering if my company could leverage a Windows Azure SQL Databases to reduce the total cost of [...]
Most information technology professionals do not know that data can be modified thru a VIEW. The insert, update, and delete statements, Data Manipulation Language (DML), can be executed on a view as long as the following set of rules are adhered to.
Modifications must reference columns from only one base [...]
Today, I want to talk about how to insert a value into a identity column. Most of the time, the auto increment or IDENTITY column will just be happy by being left alone. Very seldom, a power user does something stupid like turn off the foreign key constraint and remove a key [...]
There are not many real life databases that do not import data from external sources or do not export data for delivery to external targets. I am going to devote a series of talks on different ways to perform these functions.
The INSERT statement is the easiest way to load small sets of static [...]
Today, I am going to talking about common table expressions. A common table expression (CTE) is a temporary result set that is defined within the execution scope of a single DML statement. A CTE is simular to a derived table in which the results are not stored as an object; However, CTE’s can be [...]
Today, I am going to talk about regular tables in tempdb. Please check out the Microsoft white paper on working with tempdb for a detailed discussion.
The advantage of creating a table in tempdb is that it is persistent until the server is rebooted. Upon startup of SQL Server, tempdb is created again from [...]
Today, I am going to talk about table variables.
In general, TSQL variables are defined by using the DECLARE key word and preceeding the variable name with a @ sign. Table variables are created by using the TABLE key word just after the variable name.
The declaration following this key word includes column [...]
Today, I am going to talk about local and global temporary tables.
A local temporary table is defined by using the CREATE TABLE syntax with the name of the table prefixed by one number sign #. The scope of the local temporary table is the current session or SPID.
A global [...]
Today, I am going to be starting a series of articles on temporary tables. I will be focusing on derived tables. A derived table is a sub-query that is used to as input to the outer query. An table alias should be used outside the parenthesis to reference the inner query. I think of [...]
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