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52
show full columns from t3 like "a%";
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Field Type Collation Null Key Default Extra Privileges Comment
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54
a int(11) NULL YES MUL NULL
58
55
select * from information_schema.COLUMNS where table_name="t1"
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57
TABLE_CATALOG TABLE_SCHEMA TABLE_NAME COLUMN_NAME ORDINAL_POSITION COLUMN_DEFAULT IS_NULLABLE DATA_TYPE CHARACTER_MAXIMUM_LENGTH CHARACTER_OCTET_LENGTH NUMERIC_PRECISION NUMERIC_SCALE CHARACTER_SET_NAME COLLATION_NAME COLUMN_TYPE COLUMN_KEY EXTRA PRIVILEGES COLUMN_COMMENT STORAGE FORMAT