在SQL语句中使用IF或CASE with multiple条件的作用是根据不同的条件执行不同的操作或返回不同的结果。这些条件可以是基于列的值、函数的结果、逻辑表达式等。 使用IF语句可以根据条件执行不同的操作。IF语句的基本语法如下: 代码语言:txt 复制 IF condition THEN statement1; ELSE statement2; END IF; 其中,conditio...
SQL> CREATE TYPE INTEGER_PAIR_OT AS OBJECT 2 ( i1 INTEGER 3 , i2 INTEGER ) 4 / Type created. SQL> SELECT v.expr.i1 2 , v.expr.i2 3 FROM ( SELECT CASE 4 WHEN 'x' = 'y' THEN INTEGER_PAIR_OT(0,1) 5 ELSE INTEGER_PAIR_OT(2,3) 6 END AS expr 7 FROM dual ) v; EXP...
to 3rd normal form. There shouldn't be anything to do with that. the column in this table have comma separated values and I need to return a specif value for those comma separated values. This was working fine, but we are seeing slowness and trying get rid of these CASE statements. ...
case 1: System.out.println("One"); break; case 2: case 3: System.out.println("Two or Three"); break; default: System.out.println("The number is outside range"); } Java's 'switch' statement allows for control to flow sequentially through consecutive subsequent case statements, as shown...
This might be way off the mark as not all you column names are prefixed with the alias so I...
SQL - Using Single-Row Functions SQL - Conditional Expressions SQL - Using the Group Functions SQL - Get Data from Multiple Tables SQL - Subqueries to Solve Queries SQL - Using the Set Operators SQL - Manipulating Data SQL - Using DDL Statements SQL - Creating Other Schema Objects SQL - The...
Can I use aggregate function within CASE? Can I use if statement in a table valued function? Can I use LEN or DATALENGTH in a WHERE clause? Can I use OUTER JOIN on 2 columns at the same time? Can row_number() work in UNION STATEMENTS ? Can someone explain just exactly why xp_cmdsh...
Multiple If statements to set Row Visibilty in a SSRS report. Multiple IIF in an Expression in SSRS Multiple parameters with CASE statement in the WHERE clause - I appreciate any help. multiple result sets from stored procedure bind to tabs in ssrs report Multiple Select Parameter Only Selecting...
Iterative Case Statements Iterative Control Statements Indentation Control Statements Indentation Case StatementsAnswer: B) Iterative Control StatementsExplanation:PL/SQL Loops are also known as Iterative Control Statements.Discuss this Question 42. What is the syntax of PL/SQL Loop?
The SQL string is split into its atomic statements, which are then executed one-by-one, in the same order they appear in the given string.The first argument can also be a reference to a list of (already split) statements, in which case no split is performed and the statements are ...