-- To avoid storing the login and password in the script file, the value-- is passed into SQLCMD as a scripting variable. For information about-- how to use scripting variables on the command line and in SQL Server-- Management Studio, see ...
Decrypt the encrypted store procedure through the T-SQL programming in SQL Server 2005 Decrypt the hashed password in SQL Server 2008 DECRYPTBYPASSPHRASE sometimes returns NULL for the same input and passphrase. Default DATE and uniqueidentifier parameters? Default sort order - Open Table - Select ...
SET@filter = N'SalesPerson_Employee';SET@schema_hr = N'HumanResources';SET@schema_sales = N'Sales';USE[AdventureWorks2022];-- Enable AdventureWorks2022 for merge replication.EXEC sp_replicationdboption @dbname = @publicationdb, @optname = N'mergepublish', @value = N'true'; -- Create new ...
High degree of concurrency at the application level Excessive page latch contention typically occurs in conjunction with a high level of concurrent requests from the application tier. There are certain programming practices that can also introduce a high number of requests for a specific page. Layout...
For more information, see WITH common_table_expression. User-Defined Functions A User-defined function (UDF) can perform queries and calculations and return either scalar values or data result sets. They are like functions in programming languages that accept parameters, perform a...
The different models for threading, scheduling, and memory management present an integration challenge for a relational database management system (RDBMS) that scales to support thousands of concurrent user sessions. The architecture should ensure that the scalability of the system isn't compromised by...
@enabled_for_p2p必须是false。 @ftp_address必须是NULL。 @ftp_subdirectory必须是NULL。 @ftp_password必须是NULL。 @pre_snapshot_script必须是NULL。 @post_snapshot_script必须是NULL。 @replicate_ddl必须为 0。 @qreader_job_name必须是NULL。
SQL Server contains scalability enhancements to the on-disk storage for memory-optimized tables. The current versions offer multiple concurrent threads to persist memory-optimized tables, multithreaded recovery and merge operations, and dynamic management views. Scaling in SQL Server can be easily ach...
SET@filter = N'SalesPerson_Employee';SET@schema_hr = N'HumanResources';SET@schema_sales = N'Sales';USE[AdventureWorks2022];-- Enable AdventureWorks2022 for merge replication.EXEC sp_replicationdboption @dbname = @publicationdb, @optname = N'mergepublish', @...
Real-world coding challenges for top company interviews Real-Life Problems Detailed reports Attempt Now 8. What is User-defined function? What are its various types? The user-defined functions in SQL are like functions in any other programming language that accept parameters, perform complex calc...