Sql Server string to date conversion
Try this and See CAST and CONVERT (Transact-SQL) for more details.
sql-server
Attach (open) mdf file database with SQL Server Management Studio
I had the same problem. system configuration:-single system with window 7 sp1 server and client both are installed on same system I was trying to access the window desktop. As some the answer say that your Sqlserver service don’t have full access to the directory. This is totally right. I solved this problem by doing … Read more
How to drop all tables from a database with one SQL query?
Use the INFORMATION_SCHEMA.TABLES view to get the list of tables. Generate Drop scripts in the select statement and drop it using Dynamic SQL: Sys.Tables Version Note: If you have any foreign Keys defined between tables then first run the below query to disable all foreign keys present in your database. For more information, check here.
SQL Server : error converting data type varchar to numeric
SQL Server 2012 and Later Just use Try_Convert instead: TRY_CONVERT takes the value passed to it and tries to convert it to the specified data_type. If the cast succeeds, TRY_CONVERT returns the value as the specified data_type; if an error occurs, null is returned. However if you request a conversion that is explicitly not permitted, then TRY_CONVERT … Read more
incorrect syntax error CREATE VIEW must be the only statement in the batch
Many useful statements in SQL Server have to be at the beginning of a batch. These include create trigger, create stored procedure, and many others. What is a batch? It is basically a unit of compilation. It also limits the scope of local variables. I advise you to read about batches in the documentation. The simplest way to … Read more
Each GROUP BY expression must contain at least one column that is not an outer reference
To start with you can’t do this: The HAVING clause can only contain things which are attributes of the aggregate groups. In addition, 1, 2, 3 is not valid in GROUP BY in SQL Server – I think that’s only valid in ORDER BY. Can you explain why this isn’t what you are looking for:
What is the difference between Scope_Identity(), Identity(), @@Identity, and Ident_Current()?
The @@identity function returns the last identity created in the same session. The scope_identity() function returns the last identity created in the same session and the same scope. The ident_current(name) returns the last identity created for a specific table or view in any session. The identity() function is not used to get an identity, it’s used to create an identity in a select…into query. The … Read more
Query error with ambiguous column name in SQL
We face this error when we are selecting data from more than one tables by joining tables and at least one of the selected columns (it will also happen when use * to select all columns) exist with same name in more than one tables (our selected/joined tables). In that case we must have to specify from which table we are … Read more
How to join two tables by multiple columns in SQL?
Yes: You can use Inner Join to join on multiple columns. Create table Insert values
Get day of week in SQL Server 2005/2008
Use DATENAME or DATEPART: