The execution of this statement does not block existing SQL statements or affect any TiDB features, such as transactions, DDL, and GC. Data that can be selected via SQL statements will not be changed ...

Changes of some data types (for example, some TIME, Bit, Set, Enum, and JSON types) are not supported due to the compatibility issues of the CAST function's behavior between TiDB and MySQL. Spatial ...

INFORMAT= specifies the informat to be used when SAS accesses data from a table or view. You can change one permanent informat to another by using the ALTER statement. PROC SQL stores informats in its ...