请使用CASE显示每个教师的姓名,如果教师在部门1或2中,显示“Sci”,否则显示“Art”。 select name,case when dept in (1,2) then 'Sci' else 'Art' end from teacher ; 10.Use CASE to show the name of each teacher followed by 'Sci' if the teacher is in dept 1 or 2, show 'Art' if the...
SQL - Using CASE in a JOIN We have constantly issues with different kinds of customers and based on their status or payment history, you want to join them to the loyalty tables. The focus was to come up with a solution that minimises the extra reads on the other tables but also to add...
, IN v_str varchar(30) ) BEGIN CASE n_str WHEN n_str = 'profileStatus' THEN UPDATE tbl_contact SET status = 'A' WHERE id = id; -- The above statement updates the entire table instead of the right row WHEN n_str = 'phoneNumberMobile' THEN ...
CASE expression CAST expression 1.1.2.1 Running SQL-92 on Oracle Lite As mentioned in the preceding section, Oracle Database Lite uses Oracle SQL by default. However, if you want to support SQL-92 by default instead of Oracle SQL, you can change the SQL compatibility parameter in the ...
问IN子句中的Using CASE语句EN这是我一直试图正确编译的内容的简化版本：条件语句中的else 什么是else ...
2.3 Starting and Leaving SQLcl Logging In and Logging Out Use the following commands to log in to and out of SQLcl. SQLCL [[option] [logon | / NOLOG] [start]] where option has the following syntax: -H[ELP] | -V[ERSION] | [ [-C[OMPATIBILITY] x.y[.z]]] [-L[OGON]]...
Use CASE to show thenameof each teacher followed by ‘Sci’ if the teacher is indept1 or 2 and ‘Art’ otherwise. 代码语言:javascript 代码运行次数:0 运行 AI代码解释 select teacher.name,casewhen(teacher.dept=1or teacher.dept=2)then'Sci'else'Art'end ...
Introduction to the Where Clause in SQL In this tutorial, you will be introduced to filtering rows in SQL using the where clause. Sayak Paul 7 min tutorial Logical Functions in Tableau: IF and CASE statements Learn about IF and CASE statements in Tableau and explore how to use these logical...
The Advanced Page of the Installation Center has two options - Image preparation of a stand-alone instance of SQL Server and Image completion of a prepared stand-alone instance of SQL Server. The Prepare and Complete sections describe the installation process in detail. For more information, see...
, IN v_str varchar(30) ) BEGIN CASE n_str WHEN n_str = 'profileStatus' THEN UPDATE tbl_contact SET status = 'A' WHERE id = id; -- The above statement updates the entire table instead of the right row WHEN n_str = 'phoneNumberMobile' THEN ...