How to write SQL statement with dynamic where clause?
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Using MSSQL 2005 I am used to writing a statement like this: delete from myTable where ID in (select ID from otherTable where deleted = 1) How can I do this when otherTable has a composite primary key? The composite key has two columns: docnum float version int (My google-fu suggests using CTEs to do this however I have no experience with them.)
Answer:
In MS SQL you can do this: DELETE T FROM myTable T INNER JOIN otherTable OT ON T.docnum = OT.docnum...
Antony at Stack Overflow Mark as irrelevant Undo
Other solutions
1) The Where clause is used to specify the database location that is being queried. 2) The Where clause specifies what fields are to be displayed from the database. 3) The Where clause is used to specify the row domain for a query search. 4) The Where...
Answer:
im pretty sure it would be number four. and example would be-- "Where variable is >5....
Ci at Yahoo! Answers Mark as irrelevant Undo
Write a SQL statement to display the repeated rows of the table below: Field Type Null Key Default Extra doc_id varchar(1000) NO PARTIAL NO topic_id varchar(45) NO PARTIAL NO doc_headline text NO NO NO doc_text text NO NO NO
Answer:
Ok, I will assume that 'topic_id' is the criteria for determining if the row is repeated (i.e. topic...
susil81 at Yahoo! Answers Mark as irrelevant Undo
I have a SQL table with 'Conuntry' Column. I want to write a CASE statement and create a column territory that will give the result as this: If Country is USA, then Territory ...show more
Answer:
Just put the name of the Region column in the ELSE part: CASE [Country] WHEN 'United States' THEN 'Domestic...
45LMAFRP75HCB5U36S5RZCXYGU at Yahoo! Answers Mark as irrelevant Undo
Hello, I need to write a procedure to print a report Please give me the sytanx of writing a procedure which includes select statement to print a report on the screen.
Answer:
CREATE PROC NameOfProc AS SELECT * FROM Table I've created this basic example to address your 'Update...
TVFWOIO5RTTL4Y2P35XYJZMWR4 at Yahoo! Answers Mark as irrelevant Undo
Specifically for efn-ga, however, as he may not want to do it, everyone with Java and Python skills is welcome to give it a go. I need a re-write of a Java / Python spider that I wrote myself. I've been tweaking it off and on as time permits, however...
Answer:
Dear coolguy90210, Among the posts you made above after I had posted my multi-threaded Spider code...
coolguy90210-ga at Google Answers Mark as irrelevant Undo
I'm not talking about "NoSQL" which is a movement away from relational databases. I am talking about SQL itself. SQL is a terrible interface for databases. Every command has a six letter word in it. The select clause should probably be optional...
Answer:
There have been a much better script tool, esProc, it applies easy to understand script for complex...
Johnson Kent at Quora Mark as irrelevant Undo
How would I use a trigger, in SQL Server 2000 to solve the following problem? I need a trigger that will do the following: As data is imported from a stored procedure into a local database I want it to do two things: 1. As my data is imported from...
Answer:
Hi, pmclinn-ga: Here is the sample trigger and supporting table/test records used. To accomplish your...
pmclinn-ga at Google Answers Mark as irrelevant Undo
In SQL Server, we can use some alternative ways to avoid cursors in order to improve performance. Can we do it in Oracle PL/SQL ? In PL/SQL, we always have an INTO clause for a SELECT statement, so we can not return multiple rows without cursors and...
Answer:
Cursors are actually not a bad choice ... as long as you don't forget to close them, and performance...
Jure Kajzer at Quora Mark as irrelevant Undo
I have a query regarding the 'not exists' in SQL. An example of 'not exists' can be as follows: SELECT A.* FROM scott.emp A WHERE NOT EXISTS (SELECT B.deptno FROM scott.dept B where B.deptno = A.deptno) My question is, like we used a condition in the...
Answer:
Logically, the name not like '%george%' does the trick. If that is really what you are doing however...
Vijaysha... at Yahoo! Answers Mark as irrelevant Undo
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