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• Migrations 2
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Query Metrics

SELECT DATABASE()

[]

SELECT
  DATABASE()

SELECT DATABASE();

SELECT TABLE_NAME
FROM information_schema.TABLES
WHERE TABLE_SCHEMA = ?
  AND TABLE_TYPE = 'BASE TABLE'
ORDER BY TABLE_NAME

[
  "emi"
]

SELECT
  TABLE_NAME
FROM
  information_schema.TABLES
WHERE
  TABLE_SCHEMA = ?
  AND TABLE_TYPE = 'BASE TABLE'
ORDER BY
  TABLE_NAME

SELECT TABLE_NAME
FROM information_schema.TABLES
WHERE TABLE_SCHEMA = 'emi'
  AND TABLE_TYPE = 'BASE TABLE'
ORDER BY TABLE_NAME;

SELECT DATABASE()

[]

SELECT
  DATABASE()

SELECT DATABASE();

SELECT TABLE_NAME
FROM information_schema.TABLES
WHERE TABLE_SCHEMA = ?
  AND TABLE_TYPE = 'BASE TABLE'
ORDER BY TABLE_NAME

[
  "emi"
]

SELECT
  TABLE_NAME
FROM
  information_schema.TABLES
WHERE
  TABLE_SCHEMA = ?
  AND TABLE_TYPE = 'BASE TABLE'
ORDER BY
  TABLE_NAME

SELECT TABLE_NAME
FROM information_schema.TABLES
WHERE TABLE_SCHEMA = 'emi'
  AND TABLE_TYPE = 'BASE TABLE'
ORDER BY TABLE_NAME;

SELECT DATABASE()

[]

SELECT
  DATABASE()

SELECT DATABASE();

SELECT t.TABLE_NAME,
           t.ENGINE,
           t.AUTO_INCREMENT,
           t.TABLE_COMMENT,
           t.CREATE_OPTIONS,
           t.TABLE_COLLATION,
           ccsa.CHARACTER_SET_NAME
      FROM information_schema.TABLES t
        INNER JOIN information_schema.COLLATION_CHARACTER_SET_APPLICABILITY ccsa
            ON ccsa.COLLATION_NAME = t.TABLE_COLLATION WHERE t.TABLE_SCHEMA = ? AND t.TABLE_NAME = ? AND t.TABLE_TYPE = 'BASE TABLE'

[
  "emi"
  "migration_versions"
]

SELECT
  t.TABLE_NAME,
  t.ENGINE,
  t.AUTO_INCREMENT,
  t.TABLE_COMMENT,
  t.CREATE_OPTIONS,
  t.TABLE_COLLATION,
  ccsa.CHARACTER_SET_NAME
FROM
  information_schema.TABLES t
  INNER JOIN information_schema.COLLATION_CHARACTER_SET_APPLICABILITY ccsa ON ccsa.COLLATION_NAME = t.TABLE_COLLATION
WHERE
  t.TABLE_SCHEMA = ?
  AND t.TABLE_NAME = ?
  AND t.TABLE_TYPE = 'BASE TABLE'

SELECT t.TABLE_NAME,
           t.ENGINE,
           t.AUTO_INCREMENT,
           t.TABLE_COMMENT,
           t.CREATE_OPTIONS,
           t.TABLE_COLLATION,
           ccsa.CHARACTER_SET_NAME
      FROM information_schema.TABLES t
        INNER JOIN information_schema.COLLATION_CHARACTER_SET_APPLICABILITY ccsa
            ON ccsa.COLLATION_NAME = t.TABLE_COLLATION WHERE t.TABLE_SCHEMA = 'emi' AND t.TABLE_NAME = 'migration_versions' AND t.TABLE_TYPE = 'BASE TABLE';

SELECT DATABASE()

[]

SELECT
  DATABASE()

SELECT DATABASE();

SELECT DISTINCT            k.CONSTRAINT_NAME,
            k.COLUMN_NAME,
            k.REFERENCED_TABLE_NAME,
            k.REFERENCED_COLUMN_NAME,
            k.ORDINAL_POSITION /*!50116,
            c.UPDATE_RULE,
            c.DELETE_RULE */
FROM information_schema.key_column_usage k /*!50116
INNER JOIN information_schema.referential_constraints c
ON c.CONSTRAINT_NAME = k.CONSTRAINT_NAME
AND c.TABLE_NAME = k.TABLE_NAME */ WHERE k.TABLE_SCHEMA = ? AND k.TABLE_NAME = ? AND k.REFERENCED_COLUMN_NAME IS NOT NULL /*!50116 AND c.CONSTRAINT_SCHEMA = 'emi' */ ORDER BY k.ORDINAL_POSITION

[
  "emi"
  "migration_versions"
]

SELECT
  DISTINCT k.CONSTRAINT_NAME,
  k.COLUMN_NAME,
  k.REFERENCED_TABLE_NAME,
  k.REFERENCED_COLUMN_NAME,
  k.ORDINAL_POSITION
  /*!50116,
              c.UPDATE_RULE,
              c.DELETE_RULE */
FROM
  information_schema.key_column_usage k
  /*!50116
  INNER JOIN information_schema.referential_constraints c
  ON c.CONSTRAINT_NAME = k.CONSTRAINT_NAME
  AND c.TABLE_NAME = k.TABLE_NAME */
WHERE
  k.TABLE_SCHEMA = ?
  AND k.TABLE_NAME = ?
  AND k.REFERENCED_COLUMN_NAME IS NOT NULL
  /*!50116 AND c.CONSTRAINT_SCHEMA = 'emi' */
ORDER BY
  k.ORDINAL_POSITION

SELECT DISTINCT            k.CONSTRAINT_NAME,
            k.COLUMN_NAME,
            k.REFERENCED_TABLE_NAME,
            k.REFERENCED_COLUMN_NAME,
            k.ORDINAL_POSITION /*!50116,
            c.UPDATE_RULE,
            c.DELETE_RULE */
FROM information_schema.key_column_usage k /*!50116
INNER JOIN information_schema.referential_constraints c
ON c.CONSTRAINT_NAME = k.CONSTRAINT_NAME
AND c.TABLE_NAME = k.TABLE_NAME */ WHERE k.TABLE_SCHEMA = 'emi' AND k.TABLE_NAME = 'migration_versions' AND k.REFERENCED_COLUMN_NAME IS NOT NULL /*!50116 AND c.CONSTRAINT_SCHEMA = 'emi' */ ORDER BY k.ORDINAL_POSITION;

SELECT       c.COLUMN_NAME        AS field,
       c.COLUMN_TYPE       AS TYPE,
       c.IS_NULLABLE        AS `null`,
       c.COLUMN_KEY         AS `key`,
       c.COLUMN_DEFAULT     AS `default`,
       c.EXTRA,
       c.COLUMN_COMMENT     AS COMMENT,
       c.CHARACTER_SET_NAME AS characterset,
       c.COLLATION_NAME     AS COLLATION
FROM information_schema.COLUMNS c
    INNER JOIN information_schema.TABLES t
        ON t.TABLE_NAME = c.TABLE_NAME
     WHERE c.TABLE_SCHEMA = ? AND t.TABLE_SCHEMA = ? AND t.TABLE_TYPE = 'BASE TABLE' AND t.TABLE_NAME = ? ORDER BY ORDINAL_POSITION

[
  "emi"
  "emi"
  "migration_versions"
]

SELECT
  c.COLUMN_NAME AS field,
  c.COLUMN_TYPE AS TYPE,
  c.IS_NULLABLE AS `null`,
  c.COLUMN_KEY AS `key`,
  c.COLUMN_DEFAULT AS `default`,
  c.EXTRA,
  c.COLUMN_COMMENT AS COMMENT,
  c.CHARACTER_SET_NAME AS characterset,
  c.COLLATION_NAME AS COLLATION
FROM
  information_schema.COLUMNS c
  INNER JOIN information_schema.TABLES t ON t.TABLE_NAME = c.TABLE_NAME
WHERE
  c.TABLE_SCHEMA = ?
  AND t.TABLE_SCHEMA = ?
  AND t.TABLE_TYPE = 'BASE TABLE'
  AND t.TABLE_NAME = ?
ORDER BY
  ORDINAL_POSITION

SELECT       c.COLUMN_NAME        AS field,
       c.COLUMN_TYPE       AS TYPE,
       c.IS_NULLABLE        AS `null`,
       c.COLUMN_KEY         AS `key`,
       c.COLUMN_DEFAULT     AS `default`,
       c.EXTRA,
       c.COLUMN_COMMENT     AS COMMENT,
       c.CHARACTER_SET_NAME AS characterset,
       c.COLLATION_NAME     AS COLLATION
FROM information_schema.COLUMNS c
    INNER JOIN information_schema.TABLES t
        ON t.TABLE_NAME = c.TABLE_NAME
     WHERE c.TABLE_SCHEMA = 'emi' AND t.TABLE_SCHEMA = 'emi' AND t.TABLE_TYPE = 'BASE TABLE' AND t.TABLE_NAME = 'migration_versions' ORDER BY ORDINAL_POSITION;

SELECT DATABASE()

[]

SELECT
  DATABASE()

SELECT DATABASE();

SELECT        NON_UNIQUE  AS Non_Unique,
        INDEX_NAME  AS Key_name,
        COLUMN_NAME AS Column_Name,
        SUB_PART    AS Sub_Part,
        INDEX_TYPE  AS Index_Type
FROM information_schema.STATISTICS WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ? ORDER BY SEQ_IN_INDEX

[
  "emi"
  "migration_versions"
]

SELECT
  NON_UNIQUE AS Non_Unique,
  INDEX_NAME AS Key_name,
  COLUMN_NAME AS Column_Name,
  SUB_PART AS Sub_Part,
  INDEX_TYPE AS Index_Type
FROM
  information_schema.STATISTICS
WHERE
  TABLE_SCHEMA = ?
  AND TABLE_NAME = ?
ORDER BY
  SEQ_IN_INDEX

SELECT        NON_UNIQUE  AS Non_Unique,
        INDEX_NAME  AS Key_name,
        COLUMN_NAME AS Column_Name,
        SUB_PART    AS Sub_Part,
        INDEX_TYPE  AS Index_Type
FROM information_schema.STATISTICS WHERE TABLE_SCHEMA = 'emi' AND TABLE_NAME = 'migration_versions' ORDER BY SEQ_IN_INDEX;

SELECT * FROM migration_versions

[]

SELECT
  *
FROM
  migration_versions

SELECT * FROM migration_versions;

SELECT DATABASE()

[]

SELECT
  DATABASE()

SELECT DATABASE();