T-SQL中该句正常,但PL/SQL中解释是: select..into is part of PL/SQL language which means you have to use it inside a PL/SQL block. You can not use it in a SQL statement outside of PL/SQL. 即不能单独作为一条sql语句执行,一般在PL/SQL程序块(block)中使用。 如果想在PL/SQL中实现该功...
Greetings ... How to write the following query in laravel eloquent ORM. select c.*, (SELECT COUNT(t.id) FROM dental_support_tickets t WHERE t.category_id=c.id AND t.status=0) AS num_tickets, (SELECT COUNT(a.id) FROM dental_support_category_admin a W
Explore the concept of SQL joins step-by-step, starting with the basics of SELECT statements and gradually moving into the syntax and applications of joining techniques.
语法结构： Select 字段 from 表 『where语句』 order by 字段1 asc/desc, 字段2 asc/desc... 使...
ThisrepeatableReadkeyword specifies that the current transaction must be completed before other transactions can modify data that has been read by logic inside the current transaction. An explicit transaction is completed at eitherttsAbortor the outermostttsCommit. For a standaloneselectstatement, the...
• Move the expression containing the nondeterministic function to a separate statement, saving the value in a variable. In the original statement, replace the expression with a reference to the variable, which the optimizer can treat as a constant value: ...
Specifies that no other transactions can modify data that has been read by logic inside the current transaction, until after the current transaction completes. An explicit transaction completes at either ttsAbort or at the outermost ttsCommit. For a stand-alone select statement, the transaction durat...
The SELECT DISTINCT statement is used to return only distinct (different) values.Inside a table, a column often contains many duplicate values; and sometimes you only want to list the different (distinct) values.SELECT DISTINCT SyntaxSELECT DISTINCT column1, column2, ... FROM table_name; ...
how can we use 'select' statement inside an 'Insert' Statement Forum – Learn more on SQLServerCentral
Select Statement Examples Select Statements while select Statements X++ Standards: select Statements Announcements:New book: "Inside Microsoft Dynamics AX 2012 R3" now available. Get your copy at theMS Press Store. Feedback Was this page helpful?