Fix: “ERR wrong number of arguments for ‘sismember’ command” in Redis

If you’re getting an error that reads “ERR wrong number of arguments for ‘sismember’ command” in Redis, it’s because you’re calling the SISMEMBER command with the wrong number of arguments.

To fix this issue, make sure you’re passing the correct number of arguments. At the time of writing, the correct number of arguments for this command is two.

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Fix “At least one of the arguments to COALESCE must be an expression that is not the NULL constant” in SQL Server

In SQL Server, if you’re getting error Msg 4127 that reads “At least one of the arguments to COALESCE must be an expression that is not the NULL constant”, it’s probably because all of your arguments to the COALESCE() expression are the NULL constant.

To fix this issue, make sure at least one argument is not the NULL constant.

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Fix “date is incompatible with int” in SQL Server when Adding to or Subtracting from a Date

If you’re getting error message “Msg 206” that reads “Operand type clash: date is incompatible with int” in SQL Server while trying to add to (or subtract from) a date, it’s probably because you’re trying to perform arithmetic between an integer and a date value.

To fix this issue, either change the date value to a datetime value or use the DATEADD() function.

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Fix “ERROR 1136 (21S01): Column count doesn’t match value count at row 1” when Inserting Data in MariaDB

If you find yourself getting an error that reads something like “ERROR 1136 (21S01): Column count doesn’t match value count at row” in MariaDB, it’s probably because you’ve specified the wrong number of expressions for the number of columns in the column when attempting to insert data into a table.

In other words, you’re trying to insert too many columns or not enough columns.

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Fix “ERROR 3942 (HY000): Each row of a VALUES clause must have at least one column” when using the VALUES Statement in MySQL

If you’re getting an error that reads “ERROR 3942 (HY000): Each row of a VALUES clause must have at least one column” in MySQL, you could have an empty row constructor when using the VALUES statement.

To fix this issue, make sure you’ve got at least one value in each ROW() clause within the VALUES statement.

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