Why is the language developers and DBAs use to organize data such a mess? Here are 13 reasons we wish we could quit SQL, even though we probably won't. For all its popularity and success, SQL is a ...
SELECT EMPId, DECODE (EMPId, 1, 'Delhi', 2, 'Texas', 3, 'London', 4, 'Mumbai', 'DefaultVal') "Location" FROM Employee WHERE Salary < 17000; The above query will decode the value of EMPId and it will ...
This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST. Dependabot alerts are not supported on this advisory because it does not ...
select a.*, decode(a.total, 0, 0, a.pass / a.total * 100) "passRate", decode(a.total, 0, 0, (a.pass + a.unpass) / a.total * 100) "finRate" from (select "regorgCode ...
Scientists identify the possible mechanism by which the APOE4 gene variant increases risk of developing Alzheimer’s disease (AD). Brain cells of AD patients with APOE4 variant found to contain ...
转成SQL Server为: select (case a1 when '0' then 'easy' when '1' then 'normal' when '2' then 'hard' end) level ...
SQLite is a powerful, embedded relational database management system in a compact C library, developed by D. Richard Hipp. It offers support for a large subset of SQL92, multiple tables and indexes, ...
Friends,<BR><BR>I'm trying to write a select statement that ends like this:<BR><BR><pre class="ip_ubbcode_code_pre"><BR>and sc.customer_name in (DECODE(shipto,'0',sc ...