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How do I flush a table in MySQL?
To flush and lock tables, use FLUSH TABLES tbl_name WITH READ LOCK instead. With a list of one or more comma-separated table names, this operation is like FLUSH TABLES with no names except that the server flushes only the named tables. If a named table does not exist, no error occurs.
What does flush tables do in MySQL?
The idea of FLUSH TABLES is to force all tables to be closed. This is mainly to ensure that if someone adds a new table outside of MySQL (for example, by copying files into a database directory with cp ), all threads will start using the new table.
What is a transient table in Snowflake?
Snowflake supports creating transient tables that persist until explicitly dropped and are available to all users with the appropriate privileges. Transient tables are similar to permanent tables with the key difference that they do not have a Fail-safe period.
What happens if you create a database that already exists?
Answer. When you try to create a table with an already existing table name, you will receive an error message, and no table will be modified or created.
How to avoid the ” table already exists ” error?
For example: DROP TABLE IF EXISTS `tablename` ; FLUSH TABLES `tablename` ; /* or exclude `tablename` to flush all tables */ CREATE TABLE `tablename` I’ve been fighting with this all day: I have a Perl script that builds a set of tables by first doing a DROP IF EXISTS on them and then CREATE ing them.
Why is mysql-table already exists error when trying to import?
Inside the import file each CREATE TABLE statement is suffixed by IF NOT EXISTS, so why is this being reported as an error? I have tried to take out the table reported from the sql file, but then the next table just throws up the error, and the next etc until we have a sql import with no tables left.
How to fix the error table already exists in SQLite?
The expected output is to print out the table. You are trying to create a table that already exists, which is not possible in Sqlite. To solve this, you can use the IF NOT EXISTS statement on your queries. Thanks for contributing an answer to Stack Overflow!
Why does MySQL say the table is not there?
The table is not there, there are no files in the directory that pertain to the table, yet it cannot be created because MySQL thinks its there. Drop table says it’s not there, create table says it is. The problem occurred on two machines, both were fixed by copying backups.