NOTE: SQL commands are not case sensitive. The above SELECT statement can also be written as"select first_name from students_details;" You can also retrieve data from more than one column. For example, to select first name and last name of all the students. ...
Example 1 – Checking a Text String with the Select Case Statement and the Like Operator TheSelect Case with Like operatoris used to calculate total sales for different products based on their names. The products are listed in the rangeC5:C16. The code loops through each cell in the range ...
This example uses theSelect Casestatement to evaluate the value of a variable. The secondCaseclause contains the value of the variable being evaluated, and therefore only the statement associated with it is executed. VB복사 DimNumber Number =8' Initialize variable.SelectCaseNumber' Evaluate Numb...
VBA SELECT CASE is a statement to test multiple conditions. In this statement, you can specify one condition and then specify a code to execute if that condition is true and then specify a second condition and a code to run if that condition is true. In this way, you can specify multipl...
select_statement是任何没有ORDER BY LIMIT子句的SELECT语句。 INTERSECT INTERSECT操作符计算所涉及的 SELECT语句返回的行的交集。如果一行同时出现在两个结果集中,它就在交集中。 INTERSECT的结果不会包含重复行,除非指定了 ALL选项。如果有ALL,一个在左表中有m次重复并且在右表中有n 次重复的行将会在结果中出现min...
• 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: ...
Answer: C.SQL statements are not case sensitive. Column Heading Defaults: 默认的列标题(表的第一行): Arithmetic expressionsandNULLvalues in theSELECTstatement SELECT语句中的算术表达式和空值 首先介绍显示表结构的命令 DESCRIBEcommand 描述命令:显示表结构 ...
The SELECT statement retrieves rows from the database and enables the selection of rows or columns from tables in the SQL Server Database Engine.
For more information, see Section 15.2.13.1, “SELECT ... INTO Statement”. If you use FOR UPDATE with a storage engine that uses page or row locks, rows examined by the query are write-locked until the end of the current transaction. You cannot use FOR UPDATE as part of the ...
Case "apples", "nuts" To "soup", testItem The setting ofOption Comparecan affect string comparisons. UnderOption Compare Text, the strings "Apples" and "apples" compare as equal, but underOption Compare Binary, they do not. Note ACasestatement with multiple clauses can exhibit behavior known...