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Can we use expression in ORDER BY clause?
Introduction to SQL ORDER BY clause The ORDER BY clause allows you to sort the result set by a column or an expression with a condition that the value in the column or the returned value of the expression must be sortable i.e., the data type of the result must be the character, numeric or date-time.
What is the use of order clause in SELECT statement?
The SQL ORDER BY clause is used to sort the records in the result set for a SELECT statement.
How do I count in SOQL query?
To discover the number of rows that a query returns, use the aggregate function COUNT() in a SELECT statement of a SOQL query. Use one of the following forms of syntax for COUNT() : COUNT() COUNT( fieldName )
When to use order by in SOSL query?
If records are null, you can use ORDER BY to display the empty records first or last. You can use ORDER BY in a SELECT statement to control the order of the query results. The syntax is: There’s no guarantee of the order of results unless you use an ORDER BY clause in a query.
When to use SOSL with the where clause?
When a given search can use either language, SOSL is generally faster than SOQL if the search expression uses leading wildcards or a CONTAINS term. In some cases, when multiple WHERE filters are being used in SOQL, indexes cannot be used even though the fields in the WHERE clause may be indexed.
What does soql ORDER BY clause mean in Salesforce?
What is SOQL ORDER BY Clause ? ORDER BY Clause is used to retrieve the data in “Ascending” or “Descending” order by the condition given in SOQL Statement. In salesforce ORDER BY clause are two types. They are. ASC. DESC. Here ASC means ascending and DESC means descending order. In SOQL by default the data will be retrieved in ascending order only.
What is the difference between SOSL and soql?
Unlike SOQL, which can only query one standard or custom object at a time, a single SOSL query can search all objects. Another difference is that SOSL matches fields based on a word match while SOQL performs an exact match by default (when not using wildcards).