This occurs when a column is used in an incorrect context in an SQL query. This error is common when a column name is mistakenly used as a value in an INSERT statement or a constant in a SELECT clause. Here are some possible reasons for this error and ways to solve it with example …
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This error message generally indicates that you are using a subquery that is not supported by your database engine or you are using it in an unsupported context. It could be due to the database version or the SQL dialect you’re using. Here are some possible reasons and their solutions. Reason 1: Correlated subqueries not …
SQL compilation error: unsupported subquery type cannot be evaluated Read More »
The “ORA-06502: PL/SQL: numeric or value error” error occurs when a PL/SQL block encounters an exception related to numeric or value errors. This error can be caused by various reasons, such as trying to assign a value that is too large for the target variable, or trying to use a character string in a numeric …
The “ORA-00604: error occurred at recursive SQL level 1” error occurs in the Oracle database when there is a recursive SQL statement that has encountered an error. Recursive SQL statements are SQL statements that are generated by Oracle internally to manage the database’s internal activities, such as managing locks and space allocation. Here are some …
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The error “Must declare the scalar variable” occurs when you try to reference a variable that has not been declared or initialized in your code. This error is commonly encountered in SQL Server when you forget to declare a variable before using it in a SQL statement. To solve this error, you need to declare …
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