How do I perform an IF...THEN in an SQL SELECT?
Sep 15, 2008 · The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server.
sql - Case in Select Statement - Stack Overflow
Jan 7, 2013 · I have an SQL statement that has a CASE from SELECT and I just can't get it right. Can you guys show me an example of CASE where the cases are the conditions and the results are from …
Best way to do nested case statement logic in SQL Server
I'm writing an SQL Query, where a few of the columns returned need to be calculated depending on quite a lot of conditions. I'm currently using nested case statements, but its getting messy. Is th...
SQL WITH clause example - Stack Overflow
Sep 23, 2012 · The name assigned to the sub-query is treated as though it was an inline view or table. The SQL WITH clause is basically a drop-in replacement to the normal sub-query. Syntax For The …
CASE .. WHEN expression in Oracle SQL - Stack Overflow
SELECT status, CASE status WHEN 'a1' THEN 'Active' WHEN 'a2' THEN 'Active' WHEN 'a3' THEN 'Active' WHEN 'i' THEN 'Inactive' WHEN 't' THEN 'Terminated' END AS StatusText FROM stage.tst …
Nested select statement in SQL Server - Stack Overflow
Check for more subquery rules and subquery types. More examples of Nested Subqueries. IN / NOT IN – This operator takes the output of the inner query after the inner query gets executed which can be …
SQL Server Insert Example - Stack Overflow
46 I switch between Oracle and SQL Server occasionally, and often forget how to do some of the most trivial tasks in SQL Server. I want to manually insert a row of data into a SQL Server database table …
sql - Oracle - Merge Statement with INSERT and UPDATE - Stack …
Dec 16, 2020 · I have an existing table called TextData with fields TextId and Text. In below statement, I am trying to merge (Insert/Update) some records into this table using - MERGE INTO …
sql - sqlplus statement from command line - Stack Overflow
Just be aware that on Unix/Linux your username/password can be seen by anyone that can run "ps -ef" command if you place it directly on the command line . Could be a big security issue (or turn into a …
How do I create a parameterized SQL query? Why Should I?
One advantage is that you can repeat an insert many times with one prepared statement, gaining a speed advantage. For instance, in the above query I could prepare the statement once, and then …