Useful tips for everyday
How to reconfigure a subscriber in Merge Replication? For merge replication, a replication administrator must manually reconfigure the subscriber with the following steps: Execute sp_subscription_cleanup…
What is the insert on duplicate key update statement? Introduction to the MySQL INSERT ON DUPLICATE KEY UPDATE statement The INSERT ON DUPLICATE KEY UPDATE…
What is Oracle Enterprise Manager 12c? Oracle Enterprise Manager Cloud Control 12c provides a comprehensive management solution for Oracle WebLogic Server, Oracle Fusion Middleware, and…
How do I set a connection timeout? You can set the amount of time a connection waits to time out by using the Connect Timeout…
How to merge 2 tables by order ID? As an example, let’s merge 2 tables by Order ID and update the values in the Price…
Is in-memory database persistent? 1 Answer. Most in-memory database systems offer persistence, at least as an option. This is implemented through transaction logging. On normal…
Can I use VARCHAR for date? The VARCHAR version is culture specific. You can’t easily sort the dates. Should I always use VARCHAR 255? You…
What is MySQL optimize? OPTIMIZE TABLE reorganizes the physical storage of table data and associated index data, to reduce storage space and improve I/O efficiency…
How do you add multiple columns in a single alter statement? How to Add Columns to a Table Using MySQL ADD COLUMN Statement First, you…
What should I know about designing a bigtable schema? General concepts: Basic concepts to keep in mind as you design your schema. Best practices: Design…