3. What do Logical operators in PL/SQL do? A. Combine multiple conditions B. Perform arithmetic calculations C. Compare two numbers D. Format strings Show Answer 4. Which operator would you use to check if a value is NULL? A. IS NULL B. = C. <> D. IS NOT Show ...
PL/SQL is case sensitive within character literals. For example, PL/SQL considers the literals'Z'and'z'to be different. Also, the character literals'0'..'9'are not equivalent to integer literals but can be used in arithmetic expressions because they are implicitly convertible to integers. Str...
How to code arithmetic expressions How to use scalar functions How to use the Dual table How to use the DISTINCT keyword to eliminate duplicate rows How to use the ROWNUM pseudo column to limit the number of rows How to code the WHERE clause How to use the comparison operators How to use...
PL/SQL Naming Conventions Scope and Visibility of PL/SQL Identifiers Variable Assignment Assigning Boolean Values Assigning a SQL Query Result to a PL/SQL Variable PL/SQL Expressions and Comparisons Logical Operators Boolean Expressions CASE Expressions ...
Chapter 1: Grouping and Aggregating Data Using SQL Generating Reports by Grouping Related Data Review of Group Functions Reviewing GROUP BY and HAVING Clause Using the ROLLUP and CUBE Operators Using the GROUPING Function Working with GROUPING SET Operators and Composite Columns Using Concatenated Groupin...
WritingBasicSQLStatement Syntax SELECTisalistofoneormorecolumn DISTINCTsuppressesduplicates *selectsallcolumns columnselectsthenamedcolumn aliasgivesselectedcolumnsdifferentheadings Fromtablespecifiesthetablecontainingthecolumns NullValue -Anullisnotthesameaszeroorablackspace. -Arithmeticexpressionscontaininganullvalueeva...
Prior to version 1.1, space characters (ascii 32) were added by default around operators. It is now possible to control that behaviour via the SERIALIZE_NO_WS option : SQL> begin 2 dbms_output.put_line( 3 plcalc.serialize(plcalc.compile('-x-(y+z)')) 4 ); 5 end; 6 / - X - ...
[MS-TSQLISO02]: SQL Server Transact-SQL ISO/IEC 9075-2 Standards Support Document 1 Introduction 2 Standards Support Statements 2 Standards Support Statements 2.1 Normative Variations 2.1 Normative Variations 2.1.1 Mandatory Features 2.1.2 Optional Features ...
Argument data type sql_variant is invalid for argument 1 of like function Argument data type text is invalid for argument 29 of checksum function Argument data type varchar is invalid for argument 1 of formatmessage function ARITHABORT in the connection string Arithmetic overflow error converting ex...
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